6 Liter Water Fire Extinguishers Hydrostatic Pressure Testing
A certified maintenance, safety inspection, hydrostatic pressure testing, and water recharge service for 6-liter portable water fire extinguishers in full compliance with international safety codes and regulatory standards.
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Description
The 6 Liter Water Fire Extinguisher Hydrostatic Testing & Refilling Service restores spent, partially used, or due-for-inspection portable water fire extinguishers back to full operational readiness. Stored-pressure water extinguishers operate under continuous nitrogen gas pressure (12 to 14 bar) to discharge a solid stream of water for Class A solid combustible fires (wood, paper, textiles, trash). Over time, internal lining breakdown, water stagnation, thermal fluctuations, or degradation of internal valve seals can lead to pressure loss or interior shell oxidation.
Features
- Civil Defense & NFPA 10 Compliant: Ensures complete regulatory adherence for commercial premises, schools, warehouses, residential buildings, and office spaces.
- Pressure Vessel Safety Verification: Proof testing at 25-27 bar ensures cylinder wall integrity and eliminates risk of vessel rupture or stress failure under pressure.
- Interior Shell & Plastic Lining Inspection: Verifies internal corrosion-resistant polyethylene lining to prevent metal rust and contamination of the discharge stream.
- Complete Valve & Seal Overhaul: All critical rubber seals, O-rings, pressure gauges, and safety pins are tested or replaced to prevent slow pressure leaks and maintain long-term standby capability.
Specifications
- Applicable Equipment: 6.0 Liter Portable Water / Stored Pressure Fire Extinguishers
- Testing Standard: NFPA 10 (Standard for Portable Fire Extinguishers), BS 5306-3, PED 2014/68/EU, and Civil Defense Regulations
- Hydrostatic Test Frequency: Mandatory every 5 years (or according to local Civil Defense/jurisdictional cycles)
- Standard Hydrostatic Test Pressure: 25 bar to 27 bar
- Normal Working Operating Pressure: 12 bar to 14 bar at 20°C
- Refill Agent: Clean Water (Optionally treated with anti-freeze or anti-corrosion additives)
- Propellant Gas: Dry Nitrogen (N2)
- Recharge Capacity: 6.0 Liters (+/- 0.05 L volumetric filling)
- Component Replacement: Valve neck O-ring, discharge hose gasket, safety pull pin, and tamper seal
- Certification Issued: Official service maintenance tag, stamped test date on cylinder body/collar, and Civil Defense compliance documentation
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