Pressure Relief Valves

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Pressure Relief Valves (Series PRV)

Control pressure build-up with these Pressure Relief Valves (Series PRV) manufactured for aluminum sprinklers and higher pressure plastic piping systems. Pressure relief safety settings range from 22psi to 150psi for ideal performance, and additional pressure ratings are available upon request.

FEATURES

  • Constructed from high strength aluminum castings with stainless steel shaft, tempered steel spring, and nonsticking Teflon seal and bushings.
  • Dependable, top spring design (out of flow) assures longer & more accurate operation.
  • Valves can be ordered factory set and sealed under actual hydrostatic conditions, or shipped for final field adjustment.
  • End connection is with standard Female pipe threads.

RATINGS / CAPACITIES

ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE STATED
API Part NumberSizePressure Relief Setting RangeBodyShaftSpringNo.
PRV0200-L2"22-50 psiAluminumStainless SteelTempered Steel1
PRV0200-S2"40-120 psiAluminumStainless SteelTempered Steel1
PRV0300-L3"22-40 psiAluminumStainless SteelTempered Steel1
PRV0300-S3"40-100 psiAluminumStainless SteelTempered Steel1
PRV0300-H3"101-150 psiAluminumStainless SteelTempered Steel2
PRV0400-L4"40-60 psiAluminumStainless SteelTempered Steel1
PRV0400-S4"70-110 psiAluminumStainless SteelTempered Steel2
PRV0400-H4"81-150 psiSteelStainless SteelTempered Steel2
*Please contact API Sales for additional pressure ratings.

PART NUMBER STRUCTURE

Part Number SectionOptions
TypePRV = Pressure Relief Valve
SizeXXXX = Size in inches going out 2 decimal places
Pressure RatingL = Low
S = Standard
H = High