Pressure Relief Valves

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.

 

Specifications: Pressure Relief Valves

ALL DIMENSIONS ARE IN INCHES UNLESS OTHERWISE STATED

API Part Number	Size	Pressure Relief Setting Range	Body	Shaft	Spring	No.
PRV0200-L	2″	22-50 psi	Aluminum	Stainless Steel	Tempered Steel	1
PRV0200-S	2″	40-120 psi	Aluminum	Stainless Steel	Tempered Steel	1
PRV0300-L	3″	22-40 psi	Aluminum	Stainless Steel	Tempered Steel	1
PRV0300-S	3″	40-100 psi	Aluminum	Stainless Steel	Tempered Steel	1
PRV0300-H	3″	101-150 psi	Aluminum	Stainless Steel	Tempered Steel	2
PRV0400-L	4″	40-60 psi	Aluminum	Stainless Steel	Tempered Steel	1
PRV0400-S	4″	70-110 psi	Aluminum	Stainless Steel	Tempered Steel	2
PRV0400-H	4″	81-150 psi	Steel	Stainless Steel	Tempered Steel	2

*Please contact API Sales for additional pressure ratings.  

Part Number Structure

Part Number Section	Options
Type	PRV = Pressure Relief Valve
Size	XXXX = Size in inches going out 2 decimal places
Pressure Rating	L = Low S = Standard H = High
Pressure Setting	XXX = Pressure setting in psi