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 Supplier Information:
 Supplier 2G Products, FZC Fire certified valves

 Description:
Seawater Service Pressure Relief Valve Model 50A-20, UL 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: ASTM B61 Bronze seat - Monel trim, Pilot control system: Cast bronze with monel trim and SS-316 tubing and fittings Other optional materials are available upon request. END DETAILS: 150 and 300 ANSI B16.42 PRESSURE RATINGS: 150 class 250 psi max. OR 300 class 400 psi max, TEMPERATURE: Water to 180 deg F max. ADJUSTMENT RANGE: 20-200 psi (150 class) OR 100-300 psi (300 class)

Fire certified valves: Seawater Pressure Relief Valve, UL- FM



Size - Approval Max Cont./Surge Product # Price
   DN 040 - 1 1/2"
125 / 280 GPM
  QUOTE    Qty:
   DN 050 - 2"
208 / 470 GPM
  QUOTE    Qty:
   DN 065 - 2 1/2"
300 / 670 GPM
  QUOTE    Qty:
   DN 080 - 3" - UL/FM
460 / 1000 GPM
  QUOTE    Qty:
   DN 100 - 4" - UL/FM
800 / 1800 GPM
  QUOTE    Qty:
   DN 150 - 6" - UL/FM
1800 / 4000 GPM
  QUOTE    Qty:
   DN 200 - 8" - UL/FM
3100 / 7000 GPM
  QUOTE    Qty:
   DN 250 - 10"
4900 / 11000 GPM
  QUOTE    Qty:
   DN 300 - 12"
7000 / 16000 GPM
  QUOTE    Qty:
   DN 350 - 14"
8500 / 19000 GPM
  QUOTE    Qty:
   DN 400 - 16"
11000 / 25000 GPM
  QUOTE    Qty:
   DN 600 - 24"
28000 / 63000 GPM
  QUOTE    Qty:
Valves >>   

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