{"id":3150,"date":"2026-05-19T05:19:03","date_gmt":"2026-05-19T05:19:03","guid":{"rendered":"https:\/\/www.henghuahose.com\/?post_type=product&#038;p=3150"},"modified":"2026-06-07T12:27:37","modified_gmt":"2026-06-07T12:27:37","slug":"air-hose-smooth-surface-300psi","status":"publish","type":"product","link":"https:\/\/www.henghuahose.com\/de\/product\/air-hose-smooth-surface-300psi\/","title":{"rendered":"Air Hose Smooth Surface 300PSI"},"content":{"rendered":"<h2>Product Overview<\/h2>\n<p>Air Hose Smooth Surface 300PSI is a flexible, wire braided rubber air hose designed for workshop and industrial compressed air systems. Rated at 300 PSI (20 bar) continuous working pressure and 900 PSI (60 bar) burst pressure (4:1 safety factor), this hose operates reliably from -30\u00b0C to +80\u00b0C. The smooth surface cover \u2013 made of rubber or TPR \u2013 resists oil, abrasion, and dirt buildup, making it easy to clean and maintain. Ideal for pneumatic tools, spray painting lines, and compressed air distribution. PDF datasheet and bulk factory pricing available upon request.<\/p>\n<h2>Key Features &amp; Advantages<\/h2>\n<ul>\n<li><strong>Smooth Surface Cover:<\/strong> Easy to wipe clean; reduces drag when pulling through tight spaces.<\/li>\n<li><strong>300 PSI Working Pressure \/ 900 PSI Burst:<\/strong> Safe for most industrial air systems.<\/li>\n<li><strong>Wire Braided Reinforcement:<\/strong> 1 or 2 plies of polyester braid for flexibility and pressure containment.<\/li>\n<li><strong>Wide Temperature Range:<\/strong> -30\u00b0C to +80\u00b0C (-22\u00b0F to +176\u00b0F).<\/li>\n<li><strong>Oil-Resistant Options:<\/strong> Rubber or TPR\/NBR\/PVC compounds available.<\/li>\n<li><strong>Cost-Effective:<\/strong> More affordable than spiral wire hoses for 300 PSI applications.<\/li>\n<li><strong>Custom Assembly:<\/strong> Available with crimped fittings, reusable fittings, adapters, flanges, protective sleeves, and guards.<\/li>\n<\/ul>\n<h2>Technical Specifications Table<\/h2>\n<div class=\"ds-scroll-area\">\n<table>\n<thead>\n<tr>\n<th>Code<\/th>\n<th>ID (inch)<\/th>\n<th>ID (mm)<\/th>\n<th>OD (mm)<\/th>\n<th>Working Pressure (bar\/psi)<\/th>\n<th>Burst Pressure (bar\/psi)<\/th>\n<th>Weight (kg\/m)<\/th>\n<th>Length (m)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>AWH-S-05<\/td>\n<td>3\/16&#8243;<\/td>\n<td>4.8<\/td>\n<td>12.0<\/td>\n<td>20 \/ 300<\/td>\n<td>60 \/ 900<\/td>\n<td>\u2014<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>AWH-S-06<\/td>\n<td>1\/4&#8243;<\/td>\n<td>6.4<\/td>\n<td>13.0<\/td>\n<td>20 \/ 300<\/td>\n<td>60 \/ 900<\/td>\n<td>0.167<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>AWH-S-08<\/td>\n<td>5\/16&#8243;<\/td>\n<td>7.9<\/td>\n<td>15.0<\/td>\n<td>20 \/ 300<\/td>\n<td>60 \/ 900<\/td>\n<td>0.220<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>AWH-S-10<\/td>\n<td>3\/8&#8243;<\/td>\n<td>9.5<\/td>\n<td>17.0<\/td>\n<td>20 \/ 300<\/td>\n<td>60 \/ 900<\/td>\n<td>0.270<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>AWH-S-12<\/td>\n<td>1\/2&#8243;<\/td>\n<td>12.7<\/td>\n<td>23.0<\/td>\n<td>20 \/ 300<\/td>\n<td>60 \/ 900<\/td>\n<td>0.370<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>AWH-S-16<\/td>\n<td>5\/8&#8243;<\/td>\n<td>15.8<\/td>\n<td>25.5<\/td>\n<td>20 \/ 300<\/td>\n<td>60 \/ 900<\/td>\n<td>0.500<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>AWH-S-19<\/td>\n<td>3\/4&#8243;<\/td>\n<td>19.1<\/td>\n<td>30.0<\/td>\n<td>20 \/ 300<\/td>\n<td>60 \/ 900<\/td>\n<td>0.650<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>AWH-S-25<\/td>\n<td>1&#8243;<\/td>\n<td>25.4<\/td>\n<td>37.0<\/td>\n<td>20 \/ 300<\/td>\n<td>60 \/ 900<\/td>\n<td>0.850<\/td>\n<td>50<\/td>\n<\/tr>\n<tr>\n<td>AWH-S-32<\/td>\n<td>1-1\/4&#8243;<\/td>\n<td>31.8<\/td>\n<td>46.0<\/td>\n<td>20 \/ 300<\/td>\n<td>60 \/ 900<\/td>\n<td>\u2014<\/td>\n<td>50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<blockquote><p><strong>Working Pressure = 20 bar (300 PSI) | Burst Pressure = 60 bar (900 PSI) | Safety Factor = 4:1<\/strong><\/p><\/blockquote>\n<h2>Structure &amp; Materials<\/h2>\n<ul>\n<li><strong>Inner Tube:<\/strong> Smooth synthetic rubber (or NBR\/PVC). Oil-resistant and non-permeable.<\/li>\n<li><strong>Reinforcement:<\/strong> 1 or 2 plies of high-tensile polyester thread braiding \u2013 a wire braided hose construction optimized for 300 PSI flexibility.<\/li>\n<li><strong>Outer Cover:<\/strong> Smooth rubber or TPR. Resists oil, abrasion, ozone, and weathering.<\/li>\n<\/ul>\n<h3>Braided vs. Spiral Hose \u2013 When to Choose Which?<\/h3>\n<p>For 300 PSI air and water applications, a wire braided hose (polyester braid) offers better flexibility and bend radius than a wire spiral hose. Spiral hoses are designed for much higher pressures (4,000 PSI+) and high-impulse hydraulic systems. Our Air Hose Smooth Surface 300PSI uses a textile braid \u2013 lighter, more flexible, and more cost-effective for pneumatic service.<\/p>\n<h2>How to Calculate Air Hose Diameter for Your Tool<\/h2>\n<p>Selecting the correct inside diameter (ID) ensures optimal tool performance. Use this formula:<\/p>\n<p><strong>Q = A \u00d7 v = (\u03c0 \u00d7 d\u00b2 \/ 4) \u00d7 v<\/strong><\/p>\n<p>Where:<\/p>\n<ul>\n<li><strong>Q<\/strong> = Air flow (CFM or m\u00b3\/min)<\/li>\n<li><strong>d<\/strong> = Hose inside diameter (inches or mm)<\/li>\n<li><strong>v<\/strong> = Air velocity (ft\/min or m\/s)<\/li>\n<\/ul>\n<p><strong>Practical guide:<\/strong><\/p>\n<ul>\n<li><strong>3\/8&#8243; (9.5mm) ID:<\/strong> Suitable for light-duty tools (5\u20138 CFM) up to 30 ft line length<\/li>\n<li><strong>1\/2&#8243; (12.7mm) ID:<\/strong> Most common size for workshops (10\u201315 CFM tools)<\/li>\n<li><strong>3\/4&#8243; (19.1mm) ID:<\/strong> For main distribution lines or high-consumption tools (20\u201330 CFM)<\/li>\n<li><strong>1&#8243; (25.4mm) ID:<\/strong> For long runs (over 150 ft) or multiple simultaneous users<\/li>\n<\/ul>\n<h2>Comparison: Smooth Surface vs. Ribbed Air Hose<\/h2>\n<div class=\"ds-scroll-area\">\n<table>\n<thead>\n<tr>\n<th>Feature<\/th>\n<th>Smooth Surface (This Product)<\/th>\n<th>Ribbed Surface<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Cleaning ease<\/td>\n<td>Excellent \u2013 wipe clean<\/td>\n<td>Difficult \u2013 dirt traps in grooves<\/td>\n<\/tr>\n<tr>\n<td>Drag resistance<\/td>\n<td>Low \u2013 glides over surfaces<\/td>\n<td>High \u2013 ribs create friction<\/td>\n<\/tr>\n<tr>\n<td>Abrasion resistance<\/td>\n<td>Good (with TPR cover)<\/td>\n<td>Moderate<\/td>\n<\/tr>\n<tr>\n<td>Flexibility<\/td>\n<td>High<\/td>\n<td>Medium<\/td>\n<\/tr>\n<tr>\n<td>Cost<\/td>\n<td>Competitive<\/td>\n<td>Often higher<\/td>\n<\/tr>\n<tr>\n<td>Best application<\/td>\n<td>Clean workshops, painting booths<\/td>\n<td>Rough construction sites<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>Applications<\/h2>\n<ul>\n<li><strong>Workshops &amp; Garages:<\/strong> Pneumatic tools (impact wrenches, nail guns, spray guns). Also ideal as air hose for spray painting 300psi applications.<\/li>\n<li><strong>Construction Sites:<\/strong> Portable air compressors, jackhammers.<\/li>\n<li><strong>Manufacturing:<\/strong> Assembly lines, blow-off stations, robotic end effectors.<\/li>\n<li><strong>Agriculture:<\/strong> Pneumatic seeders, grain handling, sprayers.<\/li>\n<li><strong>Mining:<\/strong> Ventilation lines (temporary).<\/li>\n<li><strong>Marine:<\/strong> Deck air supply for cleaning and tools.<\/li>\n<\/ul>\n<h2>Hose Assembly &amp; Fittings Options<\/h2>\n<p>We provide complete hose assembly services:<\/p>\n<ul>\n<li><strong>Crimped fittings air hose assembly:<\/strong> Permanent, highest reliability for high-vibration areas.<\/li>\n<li><strong>Reusable fittings:<\/strong> Field-attachable, ideal for repairs or custom lengths.<\/li>\n<li><strong>Adapters and flanges:<\/strong> Convert NPT, BSP, JIC, or flange connections.<\/li>\n<li><strong>Protective sleeves and guards:<\/strong> Extend hose life in high-wear areas.<\/li>\n<\/ul>\n<h2>Where to Buy 300PSI Air Hose \u2013 Factory vs. Distributor<\/h2>\n<div class=\"ds-scroll-area\">\n<table>\n<thead>\n<tr>\n<th>Factor<\/th>\n<th>Factory Direct (Us)<\/th>\n<th>Distributor<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>300psi air hose price per meter<\/strong><\/td>\n<td>Lowest \u2013 no middle margin<\/td>\n<td>Higher \u2013 adds markup<\/td>\n<\/tr>\n<tr>\n<td><strong>Customization (OEM\/ODM)<\/strong><\/td>\n<td>Yes \u2013 any color, length, fitting<\/td>\n<td>Limited<\/td>\n<\/tr>\n<tr>\n<td><strong>MOQ flexibility<\/strong><\/td>\n<td>Flexible for bulk orders<\/td>\n<td>Often requires high MOQ<\/td>\n<\/tr>\n<tr>\n<td><strong>Lead time<\/strong><\/td>\n<td>Shorter \u2013 direct production control<\/td>\n<td>Varies<\/td>\n<\/tr>\n<tr>\n<td><strong>Technical support<\/strong><\/td>\n<td>Direct from engineers<\/td>\n<td>Indirect<\/td>\n<\/tr>\n<tr>\n<td><strong>Quality control<\/strong><\/td>\n<td>Full traceability<\/td>\n<td>Limited visibility<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>Recommendation:<\/strong> For bulk orders, OEM projects, or technical applications, source directly from the factory.<\/p>\n<h2>Certifications &amp; Testing<\/h2>\n<ul>\n<li><strong>Pressure Test:<\/strong> 100% factory hydrostatic test at 1.5x working pressure (450 PSI).<\/li>\n<li><strong>Burst Test:<\/strong> Minimum 4:1 safety factor (900 PSI burst vs. 300 PSI working).<\/li>\n<li><strong>Temperature Test:<\/strong> Verified from -30\u00b0C to +80\u00b0C.<\/li>\n<li><strong>Certifications:<\/strong> ISO 9001 factory. CE and SGS reports available upon request.<\/li>\n<\/ul>\n<h2>Common Failure Modes &amp; Troubleshooting<\/h2>\n<div class=\"ds-scroll-area\">\n<table>\n<thead>\n<tr>\n<th>Problem<\/th>\n<th>Likely Cause<\/th>\n<th>Solution<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Cover cracking<\/td>\n<td>Ozone or UV exposure<\/td>\n<td>Use TPR cover or add protective sleeve<\/td>\n<\/tr>\n<tr>\n<td>End fitting leaks<\/td>\n<td>Improper crimping<\/td>\n<td>Use factory-assembled crimped fittings<\/td>\n<\/tr>\n<tr>\n<td>Hose bursts near fitting<\/td>\n<td>Over-bending or no strain relief<\/td>\n<td>Add guards or increase bend radius<\/td>\n<\/tr>\n<tr>\n<td>Internal collapse<\/td>\n<td>Excessive vacuum or wrong ID<\/td>\n<td>Verify working pressure and ID selection<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>Installation &amp; Maintenance<\/h2>\n<ol>\n<li><strong>Inspect before each use:<\/strong> Check for cuts, abrasions, or bulges.<\/li>\n<li><strong>Minimum bend radius:<\/strong> 10x hose OD. Avoid sharp kinks.<\/li>\n<li><strong>Fitting installation:<\/strong> Use only recommended fittings.<\/li>\n<li><strong>Pressure testing after assembly:<\/strong> Test at 1.5x working pressure (450 PSI) with water.<\/li>\n<li><strong>Cleaning:<\/strong> Wipe smooth surface with mild detergent. Do not use solvents.<\/li>\n<li><strong>Storage:<\/strong> Keep away from ozone, UV, and heat. Store indoors between 0\u00b0C and 40\u00b0C.<\/li>\n<li><strong>Lifespan:<\/strong> Replace every 2-3 years in heavy industrial use; up to 5 years for light duty.<\/li>\n<\/ol>\n<h2>FAQ \u2013 Frequently Asked Questions<\/h2>\n<p><strong>Q1: Can I use this 300psi rubber air hose for water?<\/strong><br \/>\nA: Yes, this 300psi rubber air hose for water is fully compatible with water up to 300 PSI and 80\u00b0C.<\/p>\n<p><strong>Q2: What is the 300psi air hose price per meter for bulk orders?<\/strong><br \/>\nA: As a direct factory and wholesaler, we offer competitive 300psi air hose price per meter based on quantity. Contact us for a quote.<\/p>\n<p><strong>Q3: Do you provide wire braided air hose specification PDF?<\/strong><br \/>\nA: Yes. Download our wire braided air hose specification PDF including full dimensions, tolerances, and test certificates.<\/p>\n<p><strong>Q4: Is this hose oil-resistant?<\/strong><br \/>\nA: Standard rubber has moderate oil resistance. For continuous oil mist, choose the TPR cover (NBR\/PVC compound).<\/p>\n<p><strong>Q5: How do I get a sample?<\/strong><br \/>\nA: Samples are available. Contact our support team with your shipping details.<\/p>\n<p><strong>Q6: Can I use this for spray painting?<\/strong><br \/>\nA: Yes. It is an excellent air hose for spray painting 300psi due to its smooth, cleanable surface and oil resistance.<\/p>\n<h2><\/h2>","protected":false},"excerpt":{"rendered":"<p>Product Overview Air Hose Smooth Surface 300PSI is a flexible, wire braided rubber air hose designed for workshop and industrial compressed air systems. Rated at 300 PSI (20 bar) continuous working pressure and 900 PSI (60 bar) burst pressure (4:1 safety factor), this hose operates reliably from -30\u00b0C to +80\u00b0C. The smooth surface cover \u2013 [&hellip;]<\/p>\n","protected":false},"featured_media":3151,"comment_status":"open","ping_status":"closed","template":"","meta":{"_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[220],"product_tag":[244,248,243,247,249,246,245],"class_list":{"0":"post-3150","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-air-hose","7":"product_tag-300psi-rubber-air-hose","8":"product_tag-air-hose-assembly","9":"product_tag-air-hose-smooth-surface-300psi","10":"product_tag-china-air-hose-manufacturer","11":"product_tag-pneumatic-hose-20-bar","12":"product_tag-smooth-cover-air-hose","13":"product_tag-wire-braided-air-hose","14":"desktop-align-left","15":"tablet-align-left","16":"mobile-align-left","17":"ast-product-gallery-layout-horizontal-slider","18":"ast-product-gallery-with-no-image","19":"ast-product-tabs-layout-horizontal","21":"first","22":"instock","23":"shipping-taxable","24":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.5 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Air Hose Smooth Surface | 300psi Rubber Air Hose | Factory<\/title>\n<meta name=\"description\" content=\"Flexible 300psi rubber air hose with smooth surface, wire braided, -30~+80\u00b0C. 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