Skip to content

Pressure Relief Valves: High-Flow

Griffco High-Flow diaphragm pressure relief valves are designed to protect chemical transfer systems from over pressure damage caused by defective equipment or a blockage in the chemical feed chemical feed line. Large orifice sizes facilitate high flows and higher viscosity fluids.

Available Sizes

1/2″, 3/4″, 1″, 1-1/2″, & 2″ or DN 15, DN 20, DN 25, DN 40 & DN 50

PVC
CPVC
Polypropylene
PVDF
PTFE
316L SS
Alloy 20
Hastelloy® C

Sort by Product A - Z
Filters Sort results
Reset Apply
SKU
Product
Description
Add to Project
PRHF150CPVS
ief Valve – CPVC – Viton Diaphragm -Socket Connection
PRHF150K2F
Relief Valve – PVDF – 250 psi Spring – 150# Flanges (220 max rating)
PRHF150PS
lief Valve – PVC – Socket
PRHF150S2OSS
Valve – 316SS – 250 psi Spring – 316SS Top
PRHF105PPB
Relief Valve – PP – BSPT Threads
PRHF100K
Relief Valve – PVDF
111-663-B
Relief Valve – PVDF – BSPT Threads
PRHF105A1VF
Relief Valve – A20 – 50 psi Spring – Viton – Flanged..Pressure Set: 20 psi
PRHF105A2FOSS
Relief Valve – A20 – 250 psi Spring – Flanged – 316SS Top
PRHF105A2OSS
Relief Valve – A20 – 250 psi Spring – 316SS Top
1211