{"id":3189,"date":"2026-05-20T03:21:13","date_gmt":"2026-05-20T03:21:13","guid":{"rendered":"https:\/\/www.henghuahose.com\/?post_type=product&p=3189"},"modified":"2026-06-07T12:25:06","modified_gmt":"2026-06-07T12:25:06","slug":"water-discharge-hose-150psi-300psi","status":"publish","type":"product","link":"https:\/\/www.henghuahose.com\/fr\/product\/water-discharge-hose-150psi-300psi\/","title":{"rendered":"Water Discharge Hose 150PSI \/ 300PSI"},"content":{"rendered":"

Product Overview<\/h2>\n

What is a Water Discharge Hose?<\/h3>\n

A water discharge hose is a flexible layflat or rubber hose used to transport water under pressure in construction, mining, agriculture, and industrial applications. It is typically rated between 150 PSI and 300 PSI and reinforced with synthetic fiber for durability and flexibility.<\/p>\n

Unlike rigid pipes or suction hoses, a layflat water discharge hose flattens when not pressurized, making it exceptionally easy to transport, store, and deploy on job sites. Our Water Discharge Hose 150PSI \/ 300PSI series is a heavy duty water discharge hose reinforced with multi-plies of high-strength synthetic fiber, delivering reliable performance from -40\u00b0C to +70\u00b0C.<\/p>\n

Why This Hose Solves Real Job Site Problems<\/h3>\n

Construction contractors and mine operators face three chronic pain points: hoses that burst under pressure spikes, covers that crack from sun exposure, and coils that become stiff in freezing weather. This industrial water discharge hose addresses each issue directly. The SBR rubber cover resists ozone, weathering, and abrasion from dragging over gravel. The synthetic fiber reinforcement provides burst pressure up to 900 PSI (300 PSI series) without the weight or corrosion risk of steel wire. And the compound remains flexible even at -40\u00b0C, enabling cold-start dewatering in Nordic or Canadian winters.<\/p>\n

Key Specifications at a Glance<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\n150 PSI Series (WDH1)<\/th>\n300 PSI Series (WDH2)<\/th>\n<\/tr>\n<\/thead>\n
Working Pressure<\/td>\n10 bar \/ 150 PSI<\/td>\nUp to 20 bar \/ 300 PSI<\/td>\n<\/tr>\n
Burst Pressure<\/td>\n30 bar \/ 450 PSI<\/td>\nUp to 60 bar \/ 900 PSI<\/td>\n<\/tr>\n
Temperature Range<\/td>\n-40\u00b0C to +70\u00b0C<\/td>\n-40\u00b0C to +70\u00b0C<\/td>\n<\/tr>\n
Tube Material<\/td>\nNR\/SBR rubber<\/td>\nNR\/SBR rubber<\/td>\n<\/tr>\n
Reinforcement<\/td>\nMulti-ply synthetic fiber<\/td>\nMulti-ply synthetic fiber<\/td>\n<\/tr>\n
Cover Material<\/td>\nSBR rubber, cloth impression<\/td>\nSBR rubber, cloth impression<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Core Applications<\/h3>\n

This construction water hose is purpose-built for:<\/p>\n

    \n
  • Site dewatering:<\/strong> Pumping excavation pits and foundation trenches<\/li>\n
  • Mine water transfer:<\/strong> Removing seepage from open pits and underground drifts (a true mine dewatering hose)<\/li>\n
  • Pump discharge:<\/strong> Connecting submersible or centrifugal pumps to discharge lines (pump discharge hose pipe)<\/li>\n
  • Temporary water lines:<\/strong> Construction site dust suppression, concrete mixing, and equipment cooling<\/li>\n
  • Agriculture:<\/strong> Field irrigation, pond filling, and liquid transfer (irrigation discharge hose)<\/li>\n<\/ul>\n

    Quality Commitment<\/h3>\n

    As a leading china-based manufacturer, every hose is 100% factory hydrostatically tested. We provide full traceability, ISO 9001:2015 certification, and downloadable pdf specification sheets. OEM ODM branding available for distributor and exporter partners.<\/p>\n

    What is a Layflat Water Discharge Hose?<\/h2>\n

    A layflat water discharge hose is a lightweight, flexible hose that collapses into a flat shape when water pressure is removed. This layflat characteristic offers three critical advantages over non-collapsible hoses:<\/p>\n

      \n
    1. Compact storage:<\/strong> A 100-meter coil of 4″ layflat hose occupies 70% less space than a same-length suction hose.<\/li>\n
    2. Easy deployment:<\/strong> One worker can drag and position a layflat discharge hose line without equipment.<\/li>\n
    3. Faster drying:<\/strong> The flat shape allows water to drain completely, preventing freeze damage and mold growth.<\/li>\n<\/ol>\n

      For construction dewatering and mining operations where hoses are moved daily, a rubber layflat hose is the standard choice \u2014 not a specialty product.<\/p>\n

      Rubber Layflat Water Discharge Hose vs PVC Layflat Hose<\/h2>\n
      \n\n\n\n\n\n\n\n\n\n\n
      Feature<\/th>\nRubber Layflat Hose (Our Product)<\/th>\nPVC Layflat Hose<\/th>\n<\/tr>\n<\/thead>\n
      Cold temperature performance<\/strong><\/td>\nFlexible to -40\u00b0C<\/td>\nBecomes stiff and cracks below -10\u00b0C<\/td>\n<\/tr>\n
      UV \/ ozone resistance<\/strong><\/td>\nExcellent (SBR cover)<\/td>\nPoor \u2014 degrades within 12-18 months<\/td>\n<\/tr>\n
      Abrasion resistance<\/strong><\/td>\nHigh (cloth impression cover)<\/td>\nLow \u2014 easily punctured<\/td>\n<\/tr>\n
      Lifespan (outdoor use)<\/strong><\/td>\n3-5 years typical<\/td>\n6-12 months typical<\/td>\n<\/tr>\n
      Cost<\/strong><\/td>\nHigher upfront<\/td>\nLower upfront<\/td>\n<\/tr>\n
      Lifecycle value<\/strong><\/td>\n\u2705 Superior (3-5x longer)<\/td>\n\u274c Higher long-term cost<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

      Verdict:<\/strong> For temporary or indoor use, PVC may suffice. For heavy duty water discharge hose applications in construction, mining, or agriculture, rubber layflat hose delivers 3-5 times longer service life and significantly lower total cost of ownership.<\/p>\n

      Water Discharge Hose vs Suction Hose: Key Differences<\/h2>\n
      \n\n\n\n\n\n\n\n\n\n\n
      Feature<\/th>\nWater Discharge Hose<\/th>\nSuction Hose<\/th>\n<\/tr>\n<\/thead>\n
      Primary function<\/strong><\/td>\nMoves water under positive pressure<\/td>\nDraws water under vacuum (negative pressure)<\/td>\n<\/tr>\n
      Reinforcement<\/strong><\/td>\nSynthetic fiber or textile<\/td>\nRigid steel helix wire<\/td>\n<\/tr>\n
      Collapsibility<\/strong><\/td>\nYes \u2014 layflat design<\/td>\nNo \u2014 helix prevents collapse<\/td>\n<\/tr>\n
      Weight per meter<\/strong><\/td>\nLighter (30-50% less)<\/td>\nHeavier<\/td>\n<\/tr>\n
      Typical use<\/strong><\/td>\nPump outlet, dewatering line<\/td>\nPump inlet, dredging, tanker loading<\/td>\n<\/tr>\n
      Can it be used interchangeably?<\/strong><\/td>\nNo \u2014 using discharge hose on suction side will collapse the wall<\/td>\nYes, but inefficient and costly<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

      Selection rule:<\/strong> If water is being pushed<\/em> from a pump, use a water discharge hose. If water is being pulled<\/em> into a pump, use a suction hose.<\/p>\n

      Engineering Insight: Why Pressure Rating Matters in Vertical Applications<\/h2>\n

      In high-rise pumping systems, pressure spikes can exceed nominal pump ratings by 20-30% due to water hammer and column separation. For a building over 10 stories (approximately 30 meters of vertical lift), static head alone is 3 bar (43 PSI). Adding pump pressure, friction loss, and potential surge, a 150 PSI hose may operate near its limit. For this reason, selecting a 300 PSI water discharge hose instead of 150 PSI significantly reduces burst risk in vertical discharge applications.<\/p>\n

      This is not theoretical \u2014 field data from our mining and construction customers shows that upgrading from 150 PSI to 300 PSI reduces hose failure incidents by over 65% in high-rise and long-distance pumping scenarios.<\/p>\n

      Key Advantages of Water Discharge Hose (150 PSI \/ 300 PSI)<\/h2>\n

      Dual Pressure Options \u2013 Match Exactly to Your Pump<\/h3>\n
        \n
      • 150 PSI series (WDH1):<\/strong> 10 bar working pressure, 30 bar burst. Ideal for gravity-fed systems, long horizontal runs, and general site water where pressure is moderate.<\/li>\n
      • 300 PSI series (WDH2):<\/strong> Up to 20 bar working pressure, 60 bar burst. Required for high-rise building pump discharge, high-pressure washdown, and lines subject to pressure spikes from piston pumps.<\/li>\n<\/ul>\n

        Choosing the correct pressure rating prevents two costly mistakes: under-specifying (burst risk) and over-specifying (unnecessary cost).<\/p>\n

        All-Weather Flexibility Without Cracking<\/h3>\n

        The SBR rubber compound remains flexible at -40\u00b0C (-104\u00b0F). Field testing shows this flexible water discharge hose can be coiled and uncoiled at sub-freezing temperatures without cover cracking \u2014 a common failure mode for PVC or lower-grade rubber hoses.<\/p>\n

        Abrasion-Resistant Cover for Tough Job Sites<\/h3>\n

        The cloth impression SBR rubber cover is engineered to resist dragging over concrete, gravel, and rebar. For extreme abrasion environments (mine drifts, heavy equipment crossings), add protective sleeves or guards to extend service life by 3-5x.<\/p>\n

        Synthetic Fiber Reinforcement \u2013 The “Why”<\/h3>\n

        Unlike wire braided hose or wire spiral hose used for high-pressure oil hydraulics, this rubber hose uses multi-ply synthetic fiber. Why? For water transfer, steel wire is unnecessary weight and a corrosion risk if the cover is damaged. Fiber provides:<\/p>\n

          \n
        • Burst pressure up to 900 PSI (3:1 safety factor minimum)<\/li>\n
        • 40% lighter weight per meter than steel-reinforced alternatives<\/li>\n
        • Zero corrosion potential from stagnant water<\/li>\n<\/ul>\n

          Long Continuous Lengths Reduce Leak Points<\/h3>\n

          Available in:<\/p>\n

            \n
          • 100m \/ 330ft for sizes up to 1″<\/li>\n
          • 60m \/ 200ft for sizes 1-1\/4″ to 4″<\/li>\n
          • 30m \/ 100ft for sizes 5″ to 8″<\/li>\n
          • 12m \/ 40ft for sizes 10″ to 12″<\/li>\n<\/ul>\n

            Longer coils mean fewer on-site joints, lower labor for installation, and reduced leak potential.<\/p>\n

            Detailed Technical Specifications Table<\/h2>\n

            150 PSI Series (WDH1) \u2013 Water Discharge Hose 150 PSI<\/h3>\n

            *The following specification table lists all available sizes of the 150 PSI water discharge hose, ranging from 3\/16″ to 12″, with working pressure of 10 bar (150 PSI) and burst pressure of 30 bar (450 PSI).*<\/p>\n

            \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
            Item Code<\/th>\nInch<\/th>\nID (mm)<\/th>\nOD (mm)<\/th>\nWorking Pressure<\/th>\nBurst Pressure<\/th>\nLength<\/th>\n<\/tr>\n<\/thead>\n
            WDH1-05<\/td>\n3\/16″<\/td>\n4.8<\/td>\n12<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH1-06<\/td>\n1\/4″<\/td>\n6.4<\/td>\n13<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH1-08<\/td>\n5\/16″<\/td>\n7.9<\/td>\n15<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH1-09<\/td>\n3\/8″<\/td>\n9.5<\/td>\n16<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH1-12<\/td>\n1\/2″<\/td>\n12.7<\/td>\n22<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH1-16<\/td>\n5\/8″<\/td>\n15.9<\/td>\n26<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH1-19<\/td>\n3\/4″<\/td>\n19.1<\/td>\n29<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH1-22<\/td>\n7\/8″<\/td>\n22.2<\/td>\n32<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH1-25<\/td>\n1″<\/td>\n25.4<\/td>\n35<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH1-32<\/td>\n1-1\/4″<\/td>\n31.8<\/td>\n42<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH1-38<\/td>\n1-1\/2″<\/td>\n38.1<\/td>\n48<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH1-50<\/td>\n2″<\/td>\n50.8<\/td>\n62<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH1-63<\/td>\n2-1\/2″<\/td>\n63.5<\/td>\n76<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH1-76<\/td>\n3″<\/td>\n76.2<\/td>\n89<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH1-89<\/td>\n3-1\/2″<\/td>\n88.9<\/td>\n103<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH1-102<\/td>\n4″<\/td>\n101.6<\/td>\n116<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH1-127<\/td>\n5″<\/td>\n127.0<\/td>\n142<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n30m \/ 100ft<\/td>\n<\/tr>\n
            WDH1-152<\/td>\n6″<\/td>\n152.4<\/td>\n167<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n30m \/ 100ft<\/td>\n<\/tr>\n
            WDH1-203<\/td>\n8″<\/td>\n203.2<\/td>\n219<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n30m \/ 100ft<\/td>\n<\/tr>\n
            WDH1-254<\/td>\n10″<\/td>\n254.0<\/td>\n274<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n12m \/ 40ft<\/td>\n<\/tr>\n
            WDH1-305<\/td>\n12″<\/td>\n304.8<\/td>\n322<\/td>\n10 bar \/ 150 PSI<\/td>\n30 bar \/ 450 PSI<\/td>\n12m \/ 40ft<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

            300 PSI Series (WDH2) \u2013 Water Discharge Hose 300 PSI<\/h3>\n

            *The following specification table lists all available sizes of the 300 PSI water discharge hose, ranging from 3\/16″ to 12″, with working pressure up to 20 bar (300 PSI) and burst pressure up to 60 bar (900 PSI). For sizes 1-1\/4″ and above, working pressure is 17 bar (250 PSI) with burst of 51 bar (750 PSI).*<\/p>\n

            \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
            Item Code<\/th>\nInch<\/th>\nID (mm)<\/th>\nOD (mm)<\/th>\nWorking Pressure<\/th>\nBurst Pressure<\/th>\nLength<\/th>\n<\/tr>\n<\/thead>\n
            WDH2-005<\/td>\n3\/16″<\/td>\n4.8<\/td>\n12<\/td>\n20 bar \/ 300 PSI<\/td>\n60 bar \/ 900 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH2-006<\/td>\n1\/4″<\/td>\n6.4<\/td>\n13<\/td>\n20 bar \/ 300 PSI<\/td>\n60 bar \/ 900 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH2-008<\/td>\n5\/16″<\/td>\n7.9<\/td>\n15<\/td>\n20 bar \/ 300 PSI<\/td>\n60 bar \/ 900 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH2-009<\/td>\n3\/8″<\/td>\n9.5<\/td>\n16<\/td>\n20 bar \/ 300 PSI<\/td>\n60 bar \/ 900 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH2-012<\/td>\n1\/2″<\/td>\n12.7<\/td>\n22<\/td>\n20 bar \/ 300 PSI<\/td>\n60 bar \/ 900 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH2-016<\/td>\n5\/8″<\/td>\n15.9<\/td>\n26<\/td>\n20 bar \/ 300 PSI<\/td>\n60 bar \/ 900 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH2-019<\/td>\n3\/4″<\/td>\n19.1<\/td>\n29<\/td>\n20 bar \/ 300 PSI<\/td>\n60 bar \/ 900 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH2-025<\/td>\n1″<\/td>\n25.4<\/td>\n36<\/td>\n20 bar \/ 300 PSI<\/td>\n60 bar \/ 900 PSI<\/td>\n100m \/ 330ft<\/td>\n<\/tr>\n
            WDH2-032<\/td>\n1-1\/4″<\/td>\n31.8<\/td>\n44<\/td>\n17 bar \/ 250 PSI<\/td>\n51 bar \/ 750 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH2-038<\/td>\n1-1\/2″<\/td>\n38.1<\/td>\n51<\/td>\n17 bar \/ 250 PSI<\/td>\n51 bar \/ 750 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH2-050<\/td>\n2″<\/td>\n50.8<\/td>\n65<\/td>\n17 bar \/ 250 PSI<\/td>\n51 bar \/ 750 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH2-063<\/td>\n2-1\/2″<\/td>\n63.5<\/td>\n78<\/td>\n17 bar \/ 250 PSI<\/td>\n51 bar \/ 750 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH2-076<\/td>\n3″<\/td>\n76.2<\/td>\n91<\/td>\n17 bar \/ 250 PSI<\/td>\n51 bar \/ 750 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH2-089<\/td>\n3-1\/2″<\/td>\n88.9<\/td>\n108<\/td>\n17 bar \/ 250 PSI<\/td>\n51 bar \/ 750 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH2-102<\/td>\n4″<\/td>\n101.6<\/td>\n120<\/td>\n17 bar \/ 250 PSI<\/td>\n51 bar \/ 750 PSI<\/td>\n60m \/ 200ft<\/td>\n<\/tr>\n
            WDH2-127<\/td>\n5″<\/td>\n127.0<\/td>\n148<\/td>\n17 bar \/ 250 PSI<\/td>\n51 bar \/ 750 PSI<\/td>\n30m \/ 100ft<\/td>\n<\/tr>\n
            WDH2-152<\/td>\n6″<\/td>\n152.4<\/td>\n173<\/td>\n17 bar \/ 250 PSI<\/td>\n51 bar \/ 750 PSI<\/td>\n30m \/ 100ft<\/td>\n<\/tr>\n
            WDH2-203<\/td>\n8″<\/td>\n203.2<\/td>\n228<\/td>\n17 bar \/ 250 PSI<\/td>\n51 bar \/ 750 PSI<\/td>\n30m \/ 100ft<\/td>\n<\/tr>\n
            WDH2-254<\/td>\n10″<\/td>\n254.0<\/td>\n280<\/td>\n17 bar \/ 250 PSI<\/td>\n51 bar \/ 750 PSI<\/td>\n12m \/ 40ft<\/td>\n<\/tr>\n
            WDH2-304<\/td>\n12″<\/td>\n304.8<\/td>\n330<\/td>\n17 bar \/ 250 PSI<\/td>\n51 bar \/ 750 PSI<\/td>\n12m \/ 40ft<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

            Full specification tables available for download in pdf format. Contact us for fittings, flanges, and adapters.<\/em><\/p>\n

            Structure and Materials<\/h2>\n

            Layer-by-Layer Construction<\/h3>\n
            \n\n\n\n\n\n\n\n
            Layer<\/th>\nMaterial<\/th>\nFunction<\/th>\n<\/tr>\n<\/thead>\n
            Tube (inner)<\/strong><\/td>\nBlack, smooth NR\/SBR rubber<\/td>\nTransports water and non-corrosive fluids with minimal friction loss. Resists swelling and leaching.<\/td>\n<\/tr>\n
            Reinforcement<\/strong><\/td>\nMulti-plies high-strength synthetic fiber<\/td>\nProvides burst resistance (up to 900 PSI) and dimensional stability. The fiber layering is similar to wire spiral hose<\/strong> construction but lighter weight.<\/td>\n<\/tr>\n
            Cover (outer)<\/strong><\/td>\nBlack, smooth with cloth impression, SBR rubber<\/td>\nProtects reinforcement from abrasion, ozone, UV, and weathering. The cloth texture increases grip for dragging and coiling.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

            Why Synthetic Fiber Instead of Steel Wire?<\/h3>\n

            For oil hydraulic applications, wire braided hose (1-wire or 2-wire) or wire spiral hose (4-spiral or 6-spiral) is required because oils have near-zero compressibility, creating instantaneous pressure spikes. Water, however, is more compressible (approximately 0.5% per 1000 PSI), meaning pressure spikes are less severe. Therefore:<\/p>\n

              \n
            • Steel wire reinforcement = necessary for high pressure hose handling oil at 3000-6000 PSI<\/li>\n
            • Synthetic fiber reinforcement = optimal for water discharge at 150-300 PSI<\/li>\n<\/ul>\n

              Using fiber instead of steel reduces cost, reduces weight, eliminates corrosion risk, and maintains flexibility.<\/p>\n

              Compared to PVC layflat hoses, rubber water discharge hoses typically last 3-5 times longer in abrasive environments and reduce replacement frequency by over 60%.<\/p>\n

              Water Discharge Hose Applications in Construction, Mining, and Agriculture<\/h2>\n

              Construction & Civil Engineering<\/h3>\n
                \n
              • Excavation dewatering (foundations, tunnels, basements)<\/li>\n
              • Concrete pump water supply lines<\/li>\n
              • Dust suppression systems on demolition or earthmoving sites<\/li>\n
              • Temporary construction site water distribution<\/li>\n
              • Construction water hose for general job site utility<\/li>\n
              • Flexible discharge hose for pump connections<\/li>\n<\/ul>\n

                Mining & Quarrying<\/h3>\n
                  \n
                • Open pit mine dewatering (removing seepage from pit floors)<\/li>\n
                • Underground mine water transfer (drift dewatering)<\/li>\n
                • Tailings water return lines (non-abrasive slurry only)<\/li>\n
                • Equipment cooling water for crushers and conveyors<\/li>\n
                • True mine dewatering hose for continuous pumping operations<\/li>\n
                • Heavy duty layflat hose for abrasive environments<\/li>\n<\/ul>\n

                  Agriculture & Irrigation<\/h3>\n
                    \n
                  • Field irrigation from pumps or canals<\/li>\n
                  • Pond filling and draining<\/li>\n
                  • Livestock watering lines<\/li>\n
                  • Liquid fertilizer transfer (diluted, non-corrosive)<\/li>\n
                  • Irrigation discharge hose for seasonal crop watering<\/li>\n
                  • Industrial water hose pipe for farmstead use<\/li>\n<\/ul>\n

                    Industrial & Municipal<\/h3>\n
                      \n
                    • Factory washdown systems<\/li>\n
                    • Temporary bypass pumping during pipe repairs<\/li>\n
                    • Tank filling and emptying<\/li>\n
                    • Emergency flood control pumping<\/li>\n
                    • Pump discharge hose pipe for municipal water transfer<\/li>\n<\/ul>\n

                      How to Choose the Right Water Discharge Hose (Buyer’s Guide)<\/h2>\n

                      Step 1: Determine Required Pressure (150 PSI vs 300 PSI)<\/h3>\n
                      \n\n\n\n\n\n\n\n\n\n
                      Scenario<\/th>\nRecommended Pressure<\/th>\n<\/tr>\n<\/thead>\n
                      Gravity flow or low-pressure pump (<100 PSI)<\/td>\n150 PSI series<\/td>\n<\/tr>\n
                      Centrifugal pump at moderate distance<\/td>\n150 PSI series<\/td>\n<\/tr>\n
                      High-rise building pump discharge (10+ stories)<\/td>\n300 PSI series<\/td>\n<\/tr>\n
                      Piston pump or pressure washer feed<\/td>\n300 PSI series<\/td>\n<\/tr>\n
                      Lines with frequent pressure spikes<\/td>\n300 PSI series<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

                      What is the difference between 150 PSI and 300 PSI hose?<\/h3>\n

                      The difference between 150 PSI and 300 PSI hose is the working pressure capacity. A 150 PSI hose is rated for 10 bar maximum continuous pressure, while a 300 PSI hose is rated for 20 bar. The 300 PSI hose also has a thicker reinforcement layer (more synthetic fiber plies) and a higher burst pressure (900 PSI vs 450 PSI). Choose 300 PSI for high-rise pumping, piston pumps, or any application with pressure spikes.<\/p>\n

                      Step 2: Select Diameter (Inch \/ mm) Based on Flow Rate<\/h3>\n
                      \n\n\n\n\n\n\n\n\n
                      Flow Rate (approx)<\/th>\nRecommended ID<\/th>\n<\/tr>\n<\/thead>\n
                      Up to 50 GPM<\/td>\n1″ – 1-1\/2″<\/td>\n<\/tr>\n
                      50 – 150 GPM<\/td>\n2″ – 3″<\/td>\n<\/tr>\n
                      150 – 400 GPM<\/td>\n4″ – 6″<\/td>\n<\/tr>\n
                      400+ GPM<\/td>\n8″ – 12″<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

                      What size discharge hose do I need for my pump?<\/h3>\n

                      For a 2-inch pump outlet, use a 2 inch discharge hose. For a 3-inch pump, use 3″ hose. Matching hose ID to pump outlet diameter minimizes friction loss. If your pump is 100 feet or more from the discharge point, consider upsizing by one diameter (e.g., 3″ pump \u2192 4″ hose) to reduce pressure loss.<\/p>\n

                      Step 3: Choose Length to Minimize Couplings<\/h3>\n
                        \n
                      • 100m coils:<\/strong> Best for long, straight runs (agriculture, pipeline bypass)<\/li>\n
                      • 60m coils:<\/strong> Standard for construction site dewatering<\/li>\n
                      • 30m coils:<\/strong> For maneuverability around equipment<\/li>\n
                      • 12m coils:<\/strong> For final connections or tight spaces<\/li>\n<\/ul>\n

                        Step 4: Select Fittings (Hose Assembly Options)<\/h3>\n

                        We provide complete hose assembly solution including:<\/p>\n

                        \n\n\n\n\n\n\n\n\n\n
                        Fitting Type<\/th>\nBest For<\/th>\nReusability<\/th>\n<\/tr>\n<\/thead>\n
                        Crimped fittings<\/strong><\/td>\nPermanent installations, high reliability<\/td>\nNo<\/td>\n<\/tr>\n
                        Reusable fittings<\/strong><\/td>\nField repairs, temporary lines<\/td>\nYes<\/td>\n<\/tr>\n
                        Adapters<\/strong><\/td>\nConnecting different thread types<\/td>\nN\/A<\/td>\n<\/tr>\n
                        Flanges<\/strong><\/td>\nLarge diameter (4″+) or high-flow systems<\/td>\nYes<\/td>\n<\/tr>\n
                        Camlock couplings<\/strong><\/td>\nQuick connect\/disconnect for dewatering<\/td>\nYes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

                        For abrasive environments, add protective sleeves or guards over hose sections that contact sharp edges or heavy equipment traffic.<\/p>\n

                        Step 5: Confirm Environmental Conditions<\/h3>\n
                        \n\n\n\n\n\n\n\n\n
                        Condition<\/th>\nRequirement<\/th>\n<\/tr>\n<\/thead>\n
                        Extreme cold (-40\u00b0C)<\/td>\n\u2705 Hose rated to -40\u00b0C<\/td>\n<\/tr>\n
                        High UV \/ desert sun<\/td>\n\u2705 SBR cover is ozone and UV resistant<\/td>\n<\/tr>\n
                        Abrasive ground (gravel, concrete)<\/td>\n\u2705 Cloth impression cover + add protective sleeves<\/td>\n<\/tr>\n
                        Chemical exposure (fuels, oils, acids)<\/td>\n\u274c NOT compatible \u2014 use high pressure hose with NBR tube<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

                        How long does a water discharge hose last?<\/h3>\n

                        A water discharge hose lifespan depends on application. In typical construction dewatering (daily use, moderate abrasion), expect 2-3 years. In mining or heavy abrasive environments with protective sleeves, expect 1-2 years. For comparison, PVC layflat hoses in the same conditions last only 3-6 months. Rubber hoses last 3-5 times longer than PVC.<\/p>\n

                        Water Discharge Hose Supplier & Manufacturer in China<\/h2>\n

                        Why Buy Directly from HENGHUA?<\/h3>\n

                        As a china-based manufacturer, producer, and exporter of industrial rubber hoses with over 18 years of continuous operation, HENGHUA offers advantages that trading intermediaries cannot match:<\/p>\n

                        \n\n\n\n\n\n\n\n\n\n\n
                        Advantage<\/th>\nBenefit to You<\/th>\n<\/tr>\n<\/thead>\n
                        Direct factory pricing<\/strong><\/td>\nNo middleman markup \u2014 lower cost<\/strong> for bulk<\/strong> orders<\/td>\n<\/tr>\n
                        Full quality control<\/strong><\/td>\nWe control every production step from compounding to final hose assembly<\/td>\n<\/tr>\n
                        OEM ODM capability<\/strong><\/td>\nYour brand on the hose cover. MOQ: 1000m per size<\/td>\n<\/tr>\n
                        Fast export logistics<\/strong><\/td>\nExperienced exporter to over 40 countries<\/td>\n<\/tr>\n
                        Technical support<\/strong><\/td>\nFree engineering consultation for fittings, pressure ratings, and installation<\/td>\n<\/tr>\n
                        Complete solution<\/strong><\/td>\nOne source for hose, crimped fittings, reusable fittings, adapters, flanges, protective sleeves, and guards<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

                        Export Markets<\/h3>\n

                        We regularly supply to construction companies, mining operators, agricultural cooperatives, and distributor partners in:<\/p>\n

                          \n
                        • Southeast Asia (Indonesia, Philippines, Thailand, Vietnam)<\/li>\n
                        • Middle East (UAE, Saudi Arabia, Kuwait, Qatar)<\/li>\n
                        • Africa (Nigeria, Ghana, South Africa, Zambia)<\/li>\n
                        • South America (Chile, Peru, Brazil, Colombia)<\/li>\n
                        • Europe (Poland, Germany, France, UK)<\/li>\n
                        • North America (USA, Canada) \u2014 contact us for freight quotes<\/li>\n<\/ul>\n

                          Certification & Compliance<\/h3>\n
                            \n
                          • ISO 9001:2015 certified factory<\/li>\n
                          • REACH and RoHS compliant materials<\/li>\n
                          • 100% factory hydrostatic testing at 1.5x working pressure<\/li>\n
                          • Burst testing per ISO 1402 (quarterly validation)<\/li>\n<\/ul>\n

                            How to Install and Maintain a Water Discharge Hose<\/h2>\n

                            Installation Best Practices<\/h3>\n
                              \n
                            1. Do not kink.<\/strong> Minimum bend radius is 8x OD for 150 PSI series, 10x OD for 300 PSI series.<\/li>\n
                            2. Use strain relief.<\/strong> Support the hose near fittings to prevent fatigue from vibration or movement.<\/li>\n
                            3. Protect edges.<\/strong> Where hose crosses sharp metal or concrete edges, install guards or protective sleeves.<\/li>\n
                            4. Avoid twisting.<\/strong> Lay the hose flat before pressurizing. A twisted hose will not layflat and will wear unevenly.<\/li>\n
                            5. Secure properly.<\/strong> Use fabric straps, not wire or chain, to avoid cutting the cover.<\/li>\n<\/ol>\n

                              Maintenance Checklist<\/h3>\n
                              \n\n\n\n\n\n\n\n\n
                              Interval<\/th>\nAction<\/th>\n<\/tr>\n<\/thead>\n
                              Before each use<\/td>\nInspect cover for cuts, abrasion, or bulges. Check fittings for corrosion or looseness.<\/td>\n<\/tr>\n
                              Weekly<\/td>\nRotate hose position if dragging on same surface to distribute wear.<\/td>\n<\/tr>\n
                              Monthly<\/td>\nFlush with clean water to remove sediment buildup.<\/td>\n<\/tr>\n
                              After use (temporary lines)<\/td>\nDrain completely, coil dry, store away from ozone sources (electric motors, welding equipment).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

                              Storage Guidelines<\/h3>\n
                                \n
                              • Temperature: 0\u00b0C to 30\u00b0C (32\u00b0F to 86\u00b0F) ideal<\/li>\n
                              • Humidity: Below 65%<\/li>\n
                              • Avoid: Direct sunlight, ozone, fuels, solvents, sharp objects<\/li>\n
                              • Shelf life: 5 years from manufacture date under proper storage<\/li>\n<\/ul>\n

                                Technical Standards and Certifications<\/h2>\n
                                \n\n\n\n\n\n\n\n\n\n
                                Standard<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
                                ISO 1402<\/strong><\/td>\nRubber and plastics hoses \u2014 Hydrostatic testing methods<\/td>\n<\/tr>\n
                                EN 14420<\/strong><\/td>\nHose fittings for hose assemblies (compatible)<\/td>\n<\/tr>\n
                                ISO 9001:2015<\/strong><\/td>\nQuality management system (factory certified)<\/td>\n<\/tr>\n
                                REACH<\/strong><\/td>\nEU chemical compliance \u2014 no SVHCs above threshold<\/td>\n<\/tr>\n
                                RoHS<\/strong><\/td>\nRestriction of hazardous substances \u2014 compliant<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

                                Every hose batch is 100% factory hydrostatically tested at 1.5x working pressure. Burst test validation is performed quarterly per ISO 1402. Download our pdf test report template.<\/p>\n

                                Brand and Quality Assurance: HENGHUA<\/h2>\n

                                Who We Are<\/h3>\n

                                HENGHUA is a china-based manufacturer, producer, and exporter of industrial rubber hoses with over 18 years of continuous operation. Unlike trading companies, we control every production step \u2014 from rubber compounding to final hose assembly. This vertical integration allows us to offer OEM ODM services, bulk wholesale pricing, and technical support that trading intermediaries cannot match.<\/p>\n

                                Quality Control Process<\/h3>\n
                                \n\n\n\n\n\n\n\n\n
                                Stage<\/th>\nControl Point<\/th>\n<\/tr>\n<\/thead>\n
                                Raw material incoming<\/strong><\/td>\nTensile testing on synthetic fiber; hardness, specific gravity on rubber compounds<\/td>\n<\/tr>\n
                                In-process<\/strong><\/td>\nContinuous wall thickness monitoring; cover adhesion checks<\/td>\n<\/tr>\n
                                100% finished testing<\/strong><\/td>\nEach hose length hydrostatically tested to 1.5x working pressure<\/td>\n<\/tr>\n
                                Laboratory validation<\/strong><\/td>\nQuarterly burst testing (4:1 safety factor minimum); impulse testing per ISO 6803<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

                                Why Customers Choose HENGHUA as Their Water Discharge Hose Supplier<\/h3>\n
                                  \n
                                • Technical support<\/strong> :<\/strong> Our engineers verify specification compatibility, recommend fittings, and provide installation guidance.<\/li>\n
                                • Flexible commercial terms:<\/strong> Distributor, wholesaler, and exporter pricing available. Bulk orders receive discount schedules.<\/li>\n
                                • Complete solution<\/strong> :<\/strong> We supply not only hose but also crimped fittings, reusable fittings, adapters, flanges, protective sleeves, and guards.<\/li>\n
                                • Traceability:<\/strong> Every hose has a batch number linked to test reports. Download pdf certificates.<\/li>\n<\/ul>\n

                                  Customer Case Example<\/h3>\n

                                  *”We were replacing standard PVC layflat hose every 3-4 weeks on our mine dewatering line due to abrasion from rock contact. After switching to HENGHUA’s 300 PSI water discharge hose with protective sleeves, we get 6+ months of service. Downtime dropped by 80%.”*
                                  \n\u2014 Maintenance Manager, Gold Mine Operation, Western Australia<\/p><\/blockquote>\n

                                  Frequently Asked Questions (FAQ)<\/h2>\n

                                  Q1: What is a layflat water discharge hose used for?<\/h3>\n

                                  A layflat water discharge hose is used to move water from pumps to discharge points in construction dewatering, mining water removal, agricultural irrigation, and industrial washdown. It “lays flat” when not under pressure, making storage and transport easy.<\/p>\n

                                  Q2: What PSI hose do I need for a water pump?<\/h3>\n

                                  For most centrifugal pumps on construction sites, 150 PSI working pressure is sufficient. For piston pumps, high-rise building discharge (over 10 stories), or lines over 500 meters, choose 300 PSI. When in doubt, select the higher pressure rating \u2014 the additional cost is minimal compared to burst-related downtime.<\/p>\n

                                  Q3: Can a water discharge hose be used for suction?<\/h3>\n

                                  No. A water discharge hose is not designed for vacuum. Using it on the suction side of a pump will cause the hose wall to collapse, blocking flow. For suction applications, use a dedicated suction hose with a rigid steel helix.<\/p>\n

                                  Q4: Can this hose handle slurry or muddy water?<\/h3>\n

                                  Yes, for non-abrasive slurry (fine sediment, silt, clay) in water suspension. For abrasive slurries (sand, crushed rock, mining tailings with sharp particles), we recommend a dedicated slurry hose with a thicker, abrasion-resistant liner. Contact us for application-specific recommendations.<\/p>\n

                                  Q5: What is the difference between layflat hose and rubber hose?<\/h3>\n

                                  “Layflat” describes the behavior (collapsing when depressurized). “Rubber hose” describes the material. Our product is both: a rubber hose that exhibits layflat characteristics. PVC layflat hoses are cheaper but become stiff in cold weather and degrade under UV. Rubber layflat hoses (like ours) remain flexible at -40\u00b0C and resist ozone cracking.<\/p>\n

                                  Q6: Do you offer pre-assembled hoses with fittings?<\/h3>\n

                                  Yes. We provide complete hose assembly service with crimped fittings, reusable fittings, or flanges. Send us your connection requirements (thread type, orientation, length), and we deliver ready-to-install assemblies.<\/p>\n

                                  Q7: What is the cost<\/strong> of water discharge hose?<\/h3>\n

                                  Cost depends on diameter, pressure rating, length, and quantity. For bulk wholesale orders (500m+ per size), we offer significant discounts. Request a quote with your specifications for a same-day price.<\/p>\n

                                  Q8: Can I get a sample before placing a bulk<\/strong> order?<\/h3>\n

                                  Yes. We offer sample lengths (minimum 1 meter) with your choice of fittings for pre-purchase validation. Sample cost is credited against your first bulk order.<\/p>\n

                                  Q9: Where can I buy<\/strong> water discharge hose<\/strong> supplier<\/strong> china<\/strong>?<\/h3>\n

                                  You are already here. HENGHUA is a direct factory and supplier. We export worldwide. Contact us to buy directly, bypassing intermediaries.<\/p>\n

                                  Q10: What is the difference between water discharge hose<\/strong> and high pressure hose<\/strong>?<\/h3>\n

                                  High pressure hose is typically wire braided hose or wire spiral hose rated for 3000-6000 PSI for oil hydraulics. Water discharge hose is rated for 150-300 PSI for water transfer. Using a water discharge hose in a high-pressure oil system will burst immediately. Using a high pressure hose for water is safe but unnecessarily expensive and heavy.<\/p>\n

                                  Q11: How long does a water discharge hose last?<\/h3>\n

                                  With proper use and storage, a rubber water discharge hose lasts 3-5 years. In continuous daily use on construction sites, expect 1-3 years depending on abrasion. PVC layflat hoses typically last 3-12 months.<\/p>\n

                                  Q12: What size discharge hose do I need for my pump?<\/h3>\n

                                  Match hose ID to pump outlet diameter. A 2″ pump outlet requires 2 inch discharge hose. For long runs (over 300 feet), consider upsizing to reduce friction loss.<\/p>\n

                                  Need a reliable water discharge hose supplier for your construction, mining, or agricultural project? HENGHUA provides standard and custom solutions for water transfer challenges worldwide.<\/p>","protected":false},"excerpt":{"rendered":"

                                  Product Overview What is a Water Discharge Hose? A water discharge hose is a flexible layflat or rubber hose used to transport water under pressure in construction, mining, agriculture, and industrial applications. It is typically rated between 150 PSI and 300 PSI and reinforced with synthetic fiber for durability and flexibility. 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China manufacturer offers bulk wholesale pricing, custom hose assembly with crimped fittings. Download PDF spec.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.henghuahose.com\/fr\/product\/water-discharge-hose-150psi-300psi\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Water Discharge Hose 150PSI \/ 300PSI\" \/>\n<meta property=\"og:description\" content=\"Heavy duty water discharge hose for construction dewatering and mining. 150-300 PSI, synthetic fiber reinforced, -40\u00b0C to +70\u00b0C. China manufacturer offers bulk wholesale pricing, custom hose assembly with crimped fittings. 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