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2G Products, FZC

2G Products, FZC


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Pressure Relief Valve, UL/ULC Listed, FM Approved - Fire certified valves


Pressure Relief Valve, UL/ULC Listed, FM Approved
Fire Protection Pressure Relief Valve Model 2050B-4KG-1, UL/ULC. Listed, Angle pattern, Factory mutual approved, Fast opening to maintain steady line pressure, Accommodates wide range of flow rate, Closes gradually for surge-free operation, Adjustable pressure settings, Not affected by pressure at valve discharge. This valve is designed specially to automatically relieve excess pressure in fire protection pumping systems. Pilot controlled, it maintains constant system pressure at pump discharge within very close limits at demands change. STANDARD MATERIALS: Body & Cover: Ductile iron ASTM A-536, Trim: Bronze seat - Teflon coated - Stainless steel stem - Delrin sleeved, Pilot control system: Cast bronze with stainless steel trim Other optional materials are available upon request. END DETAILS: 150 and 300 ANSI B16.42 PRESSURE RATINGS: Class 175 psi max. OR Class 300 psi max, Water to 180 F max. ADJUSTMENT RANGE: Available in two relief pressure ranges: 20-200 psi (150 class), 100-300 (300 class) Optional: Protective epoxy resin coating of wetted surfaces of main valve cast iron components (UL listed HNFX EX2855)
Size - ApprovalFlow (Rec.) PN
DN 050 - 2" - ULC 208 GPM    Qty
DN 065 - 2 1/2" - ULC 300 GPM    Qty
DN 080 - 3" - UL /ULC/FM 500 GPM    Qty
DN 100 - 4" - UL /ULC/FM 1000 GPM    Qty
DN 150 - 6" - UL/ULC/FM 2500 GPM    Qty
DN 200 - 8" - UL/ULC/FM 5000 GPM    Qty
DN 250 - 10" - ULC 11000 GPM    Qty
DN 300 - 12" - ULC 16000 GPM    Qty
Valves Fire certified valves

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