• Wuhan Spico Machinery & Electronics Co., Ltd.
    Hany Samy
    I do not find what I can say and I do not know how to thank you. It was a great week with you and it was one of the best times I ever had. your boss is excellent and the factory is very good I'll miss you all I miss you so much Thank you Hany samy
  • Wuhan Spico Machinery & Electronics Co., Ltd.
    Thank you very much for the training and for being generous hosts. We have learned a lot and will be putting our knowledge into good use. Regarding the specs for our sample model, we’ll get back to you once we have gathered more information. Again, thank you for accommodating us in the training J
  • Wuhan Spico Machinery & Electronics Co., Ltd.
    Thanks for the hospitality during our visit to your company. We are waiting for your revise offer with inclusive shipping cost. Thanks.
Contact Person : Kathy Wong
Phone Number : +8618627949609
Whatsapp : +8618986068523

UL Listed and FM Approved Accessories of Fire Pump Set

Place of Origin USA
Brand Name CLA-VAL
Certification UL / FM
Model Number 55L/6 3/4"
Minimum Order Quantity 1 PC
Packaging Details Standared Export Packing
Delivery Time 60 days

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Product Details
Color Red Product Name UL Listed And FM Approved Accessories Of Fire Pump Set
Application Fire Fighting Emergency Rescue Usage Fire Safety
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Fire Pump FM Approved Accessories


Fire Pump UL Listed Accessories


250psi Fire Pump Set

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Product Description

Circulation (Casing) Relief Valve UL Listed and FM Approved


The *Circulation Relief Valve (CRV)* is essential for electric motor-driven fire pumps because

it prevents overpressure, protects equipment, ensures system efficiency, and complies with

NFPA 20 standards. It relieves excess pressure during low-demand periods, preventing damage

to system components and reducing energy consumption. Overall, the CRV maintains the safety,

efficiency, and longevity of fire pump systems




UL Listed and FM Approved Accessories of Fire Pump Set 0



UL Listed / ULC Listed  Pressure Relief Valve

Factory Mutual Approved

Fast Opening to Maintain Steady Line Pressure

Accommodates Wide Range of Flow Rates

Closes Gradually for surge-Free Operation

Adjustable Pressure Settings, Not Affected by 

Pressure at Valve Discharge




Globe: 2"-10" flanged     Angle: 2" -10" flanged

150 and 300 ANSI B16.42

Class 150-250 psi Max.     Class 300-300 psi Max

Water, to  180°F Max.

Main valve body & cover

Ductile Iron ASTM A536 Grade 65-45-12

Standard  Main Valve Trim: Bronze Seat, Teflon Coated Stainless Steel Stem, Dura-Kleen Stem

Standard Pilot Control System: Cast Bronze with Stainless Steel trim

Aailable in the following relief

Pressure ranges:

20~200 psi (150 Class)  100~300psi (300 Class)

Protective epoxy resin coating of wetted surfaces of main valve cast iron components 

(UL Listed HNFX EX2855)


UL Listed and FM Approved Accessories of Fire Pump Set 1


UL Listed and FM Approved Accessories of Fire Pump Set 2