High-pressure Fire Fighting Flexible Hose

The stainless steel braided flexible hose is designed specifically for clean room environments. It can be installed immediately without the need for pre-measurement. A single general worker can complete the system setup with ease. Thanks to its flexibility, it navigates around building structures and auxiliary piping without difficulty. No specialized electrical tools are needed, minimizing potential safety risks.

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Product Description

Product Overview

Engineered for extreme hazardous environments, our Explosion-Proof Fire Fighting Pipe Clamp & Hanger Flexible Hose is the ultimate solution for industries where safety and reliability are non-negotiable. Constructed with forged stainless steel 316L clamps and a PTFE-lined hose, this assembly meets ATEX and IECEx standards for use in Zone 1/21 explosive atmospheres. The robust design features a double-wall hose structure with interlocking metal braids, providing superior protection against impact, abrasion, and chemical penetration. Supporting nominal diameters from 3" to 8", the system handles high-pressure fluctuations in critical firefighting networks while maintaining zero-leak performance under dynamic loads.

Property	Value
Specification range	700/790/915/1000/1200/1500/1800
Body material	SUS304
Rated working pressure	FM 232psi/1.6MPa, UL 175psi/1.2MPa, 3C 175psi/1.2MPa
Certification	FM/UL/3C
Thread type	NPT/BSPT
Inlet specification	DN25
Outlet specification	DN15/DN20
Body specification	DN20
Maximum ambient temperature	107℃/225℉
Minimum bending radius	254mm (FM certification)

Features

Explosion & Impact Resistance

The fully enclosed metal braid over the PTFE hose liner prevents sparks from static discharge, making it ideal for environments with flammable gases, dust, or vapors. The clamp's anti-sparking coating (aluminum-bronze alloy) eliminates ignition risks during installation or maintenance.

Extreme Chemical Compatibility

The PTFE liner resists virtually all industrial chemicals, including sulfuric acid, solvents, and hydrocarbons, outperforming traditional rubber hoses in petrochemical and pharmaceutical plants. Temperature rating spans -100°F to 500°F (-73°C to 260°C), ensuring functionality in cryogenic storage and high-temperature processing zones.

Rugged Mechanical Design

The heavy-duty hanger bracket supports up to 1,000 lbs of vertical load, with a seismic-resistant design that meets ASCE 7-16 standards for earthquake-prone regions. The self-locking clamp mechanism features dual locking nuts to prevent loosening from prolonged vibrations or pressure surges.

Certification & Compliance

Holds full certification for use in Class I, Division 1 hazardous locations, with third-party testing for flame propagation and electrical conductivity. The smooth-bore PTFE liner reduces water flow resistance, improving pressure consistency in large-scale suppression systems.

Application

Tailored for high-risk industrial environments, this product is essential for:

Oil & Gas Refineries: Safeguards firewater systems in offshore platforms, tank farms, and processing units exposed to explosive hydrocarbons.

Mining & Mineral Processing: Resists abrasive dust and heavy machinery vibrations in underground mines and ore handling facilities.

Chemical Manufacturing Plants: Handles aggressive chemicals in reaction vessels, storage tanks, and distribution pipelines.

Military Installations: Meets stringent defense standards for use in ammunition storage areas and aircraft hangars, ensuring reliability in combat zones.

Installation Instruction


1. Installing sprinkler heads	2. Install the water inlet	3. Connect the water inlet to the hose

4. Install square tubes and fasteners	5. Fixed water outlet	6. Installation completed diagram