
This valve automatically relieves excess fire pump discharge pressure to prevent the pressure from exceeding the rating of the fire system components. It is specifically designed for systems where the relief set point must be higher than the pressures allowed for UL listed/FM approved valves.
Size Unit
Size range
Fire Protection certifications
ABS Type Approval
DN80 – DN200 (3″ – 8″)
Pressure rating
Working temperature
End connection type
Flanged
ANSI B16.42 & B16.5 Class 150# & 300#
Materials of construction
Body and Cover
Ductile Iron
Stainless Steel
Cast Steel
NAB
Control Trim & Accessories
Brass/Bronze – Copper
Monel
Stainless Steel
* Other optional materials available upon request