Air/Water Hose (Smooth Surface)

The Air/Water Hose (Smooth Surface) is a textile-reinforced NR/SBR rubber hose with a working pressure of 20 bar (300 PSI) and a bursting pressure of 60 bar (900 PSI), designed for the safe conveyance of compressed air, water, and inert gas in mining, construction, shipbuilding, and steel plants. HENGHUA’s 300 PSI industrial rubber hose features a smooth synthetic rubber cover in black, yellow, or red, a temperature range of -30°C to +80°C, and a 3:1 safety factor, making it a standard solution for industrial utility lines.

Product Overview

Definition and Standard: The Air/Water Hose (Smooth Surface) is a standard industrial product engineered for the safe conveyance of air, inert gas, and water. Manufactured in compliance with international norms, it provides a reliable solution for demanding job sites.

Core Structure: This hose features a tube made from a premium blend of NR & SBR synthetic rubber, reinforced with 1 or 2 plies of high-tensile polyester thread braiding, and finished with a smooth synthetic rubber cover for durability and ease of cleaning.

Performance Highlights: Rated at Working Pressure 300 PSI and Bursting Pressure 900 PSI, this hose delivers a standard 3:1 safety factor. The operational temperature range of -30°C to +80°C ensures flexibility in extreme conditions.

Core Advantages: Key benefits include excellent weather and ozone resistance, a smooth surface that resists abrasion and dirt buildup, a non-toxic and odorless tube, and lightweight construction that simplifies handling and Assembly.

Main Applications: This hose is extensively used in mining, construction, engineering, shipbuilding, and steel production for pneumatic tools, compressor lines, water spray systems, and general industrial utility lines.

Key Pain Points Solved: Project managers and procurement officers face hose failure due to cracking, kinking, and contamination. Our Air/Water Hose (Smooth Surface) directly addresses these issues, ensuring minimal pressure drop and a long service life, reducing downtime and replacement costs.

Quality Commitment: Every meter is produced under strict quality control. We offer complete traceability and support documentation, including a detailed pdf specification sheet, ensuring you buy with confidence.

Structure & Materials: NR/SBR Rubber Tube and Polyester Braiding

The Air/Water Hose (Smooth Surface) is constructed with an NR/SBR synthetic rubber tube, 1–2 plies of high-tensile polyester thread braiding, and a smooth synthetic rubber cover. The non-toxic, odorless tube ensures clean air and water conveyance, while the textile braid reinforcement provides 300 PSI working pressure and excellent flexibility.

• Tube (Inner Layer): Made from NR & SBR synthetic rubber, black color. This layer is non-toxic and odorless, ensuring the purity of conveyed air and water while minimizing flow resistance.
• Reinforcement Layer: Constructed with 1 or 2 plies of high-tensile polyester thread braiding. This textile reinforcement provides the structural integrity to handle 300 PSI working pressure while maintaining excellent flexibility. Unlike a Wire Braided Hose or Wire Spiral Hose used for High Pressure Hose applications, this textile braid is ideal for medium-pressure air/water tasks.
• Cover (Outer Layer): A smooth or wrapped surface made from NR & SBR synthetic rubber. Available in black, yellow, or red. This layer provides superior protection against abrasion, weather, and ozone, extending the rubber hose service life.

Performance: 300 PSI Working Pressure and 3:1 Safety Factor

The 300 PSI working pressure (20 bar) and 900 PSI bursting pressure (60 bar) make this Air/Water Hose (Smooth Surface) suitable for a wide range of industrial pneumatic and water systems. The -30°C to +80°C temperature range ensures reliable performance in cold outdoor environments and warm industrial settings. This industrial rubber hose maintains flexibility and resists cracking under pressure cycling and environmental stress.

Product Advantages

• High Pressure Performance for Air/Water: Rated at Working Pressure 300 PSI and Bursting Pressure 900 PSI, providing a standard 3:1 safety factor for reliable operation.
• Weather & Ozone Resistance: The NR & SBR cover is formulated to withstand harsh outdoor environments, resisting cracking from UV exposure and ozone.
• Smooth Surface Durability: The smooth cover is less prone to accumulating dirt and debris, and offers superior resistance to abrasion compared to wrapped surface hoses.
• Extreme Temperature Flexibility: Performs consistently in cold conditions down to -30°C and hot environments up to +80°C, preventing stiffening or softening.
• Lightweight & Flexible: The textile braid reinforcement ensures the hose remains flexible and easy to route, reducing user fatigue and simplifying hose assembly with fittings.

Applicable Users: This product is the ideal solution for construction contractors, mining operations, shipyard engineers, and facility maintenance teams who need a dependable, standard, and cost-effective utility hose.

Applications in Mining, Construction, Shipbuilding and Steel

This industrial air hose is commonly used in mining, construction, shipbuilding, and steel plants for pneumatic tools, compressor lines, water spray systems, and general utility lines. It is also suitable for agricultural irrigation, manufacturing plants, and municipal water services.

Primary Application Scenarios

• Mining: For air and water lines in dust suppression systems and pneumatic tools. This mining air hose handles rigorous conditions.
• Construction: Supplying air to jackhammers and water to concrete pumps and washing systems. A reliable construction air hose for job sites.
• Shipbuilding: General utility air and water Service on docks and within vessels.
• Steel Production: Conveying inert gas and cooling water in high-temperature environments.
• Engineering: Pneumatic control lines and hydraulic return lines for water-based fluids.

How to Select the Right Air/Water Hose Size

The AWH-S series of Air/Water Hose (Smooth Surface) offers a range of inside diameters from 3/16″ (4.8 mm) to 1-1/4″ (31.8 mm), all rated at 20 bar (300 PSI) working pressure and 60 bar (900 PSI) bursting pressure. The table below lists inside diameter, outside diameter, weight, and length options for each size.

Size Selection Note: The AWH-S-12 (1/2 inch) 300 PSI air water hose is the most popular size for jackhammers, air tools, and general utility lines in construction and mining sites. It has a 12.7 mm inside diameter, 23.0 mm outside diameter, and a working pressure of 20 bar (300 PSI).

Precise Selection Professional Guide

It is not just a hose – it is a complete Solution

To maximize performance, we recommend using our hose assembly Service. Our team can provide pre-assembled hoses with a range of fittings, including crimped fittings, reusable fittings, adapters, and flanges. For added safety in abrasive environments, we also offer protective sleeves and guards.

Air/Water Hose (Smooth Surface) vs. Standard Options

Unlike general-purpose hoses that use lower-grade rubber, our hose uses an NR & SBR compound specifically engineered for air and water. It resists swelling from water and cracking from compressed air oils, providing a longer lifespan and safer operation. For extreme high-pressure applications (over 300 PSI), you should consider a High Pressure Hose like a Wire Spiral Hose, but for 90% of industrial air/water tasks, this textile braid industrial hose is the optimal Source.

Solving Key Industry Pain Points

• Pain Point: Frequent cracking of air hoses on construction sites.
  • Our Solution: The smooth, weather-resistant SBR cover resists UV and ozone, lasting 3x longer than standard hoses.
• Pain Point: High cost of downtime from hose failure in mining.
  • Our Solution: The high-tensile polyester braiding ensures a consistent 300 PSI working pressure with a 900 PSI burst pressure, offering a high safety margin.

Technical Standards and Certifications

Our Air/Water Hose (Smooth Surface) is manufactured following strict international standards. The 3:1 safety ratio (Burst Pressure to Working Pressure) aligns with global safety requirements for industrial rubber hoses. As a professional factory and producer, we ensure every hose meets the definition of a high-quality industrial product. We offer complete OEM ODM Service, allowing you to customize the hose length, color, and packaging. HENGHUA is a recognized manufacturer, supplier, distributor, wholesaler, and exporter from China.

Brand and Quality Assurance (HENGHUA)

With decades of experience as a premier manufacturer and exporter of industrial hoses from China, HENGHUA is your trusted partner for 300 PSI air water hoses and textile braid industrial hoses.

HENGHUA’s Air/Water Hose (Smooth Surface) is an industrial rubber hose with a 300 PSI working pressure, 900 PSI bursting pressure, and a temperature range of -30°C to +80°C, commonly used in mining, construction, shipbuilding, and steel plants.

• Visual Production & Testing: Our process begins with raw material inspection, followed by precision extrusion, braiding, and vulcanization. Every single hose undergoes a 100% hydrostatic test at 1.5x the working pressure before leaving our factory.
• Third-Party Certifications: We hold ISO 9001 for quality management. Samples are regularly tested for physical properties.
• Sustainability: Our materials are compliant with REACH and RoHS directives. The long service life of our hose reduces waste, and the rubber components are recyclable.

Client Testimonial: “Since switching to HENGHUA’s air hose, our plant’s unplanned downtime has dropped by 60%. The consistent quality and support from the wholesale team are unmatched.” – Facilities Manager, Major Steel Producer.

Installation, Operation, and Maintenance Guide

1. Inspection: Always inspect the hose for cuts, abrasions, or bulges before each use. Do not use if the outer cover is damaged down to the reinforcement.
2. Bend Radius: Do not bend the hose below its minimum recommended bend radius. Use protective sleeves at wear points.
3. Fittings: Use only recommended crimped fittings or reusable fittings designed for textile-braided hoses. Improper Assembly is a leading cause of failure.
4. Pressure: Never exceed the working pressure of 300 PSI. Pressure spikes can damage the hose even if the regulated pressure is normal.
5. Storage: Store in a cool, dry place away from ozone-generating equipment (like electric motors) and direct sunlight.

How to Choose an Air/Water Hose for Mining vs Construction

For Mining Applications: Select a hose with high abrasion and ozone resistance. Our smooth surface cover withstands rough rock contact and underground temperature variations from -30°C to +80°C.

For Construction Applications: Prioritize flexibility and lightweight design for daily relocation. The 1/2″ (AWH-S-12) size is the most popular for jackhammers and air tools. Color-coding in yellow or red helps with safety and tool organization on busy sites.

Frequently Asked Questions (FAQ)

Q1: Can this rubber air water hose handle 300 PSI working pressure?
A: Yes. The Air/Water Hose (Smooth Surface) is rated at a working pressure of 300 PSI (20 bar) with a bursting pressure of 900 PSI (60 bar), providing a 3:1 safety factor.

Q2: What is the difference between smooth surface and wrapped surface air hose?
A: The performance is nearly identical. The smooth surface is easier to clean and slides better through tight spaces, while the wrapped surface may have slightly better mold-release properties. Both are available.

Q3: Do you offer bulk discounts for this industrial rubber hose?
A: Yes, as a leading wholesaler and exporter, we offer competitive price and cost structures for bulk orders. Contact us for a discount on large quantities.

Q4: Can I get a custom length with fittings already attached?
A: Absolutely. We offer a full hose assembly Service with crimped fittings. Just provide your specification and required lengths.

Q5: How do I get the pdf specification sheet?
A: You can download the pdf directly from our product page or contact our supply team to buy a sample.

Q6: When to use textile braid hose vs wire braid high pressure hose?
A: Use this textile braid industrial hose for air, water, and inert gas up to 300 PSI. For hydraulic oil or pressures above 300 PSI, you need a Wire Braided Hose or Wire Spiral Hose which are classified as High Pressure Hose.

Stop compromising on safety and efficiency. Whether you need a sample for testing, a bulk order for a major project, or a custom OEM ODM solution, HENGHUA is your global Source for premium industrial hoses.

Contact us today for a competitive quote or to discuss your specific requirements.