This valve automatically relieves excess foam pump discharge pressure to prevent the pressure from exceeding the rating of the fire system components. The engineered SLF (sense line flush)feature assures accurate pressure control by continuously flushing the pilot sensing chamber (flow through design).
Size Unit
Size range
Fire Protection certifications
ABS Type Approval
DN32 – DN150 (1¼” – 6″)
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
Duplex Stainless Steel
Control Trim & Accessories
Pilot: Stainless Steel (std), NAB
Tubing/Fittings: Stainless Steel, Monel
* Other optional materials available upon request
OCV 108-2SLF
OCV 108-2SLF
