Skip Content

Filter Results By

Item
  • View MoreView Less
Body Material
  • View MoreView Less
Inlet Type
Outlet Type
Inlet Size
  • View MoreView Less
Outlet Size
  • View MoreView Less
Factory Set Pressure
  • View MoreView Less
Pressure Range
  • View MoreView Less
For Drinking Water Applications
For Drinking Water Applications in CA, VT, MD, LA
Brand
  • View MoreView Less
Price
  • View MoreView Less
Shop By
Ratings

Relief Valves

51 Results Found that Include 1,675 Products 

Results per page: 16 | 32 | 48
Lead-Free Brass Calibrated Adjustable Relief Valve
Safety Relief Valve,3/4In,150 psi,Bronze
  • CASH ACME
  • Safety Relief Valve, 3/4In, 150 psi, Bronze
  • Item # 2XLA7
  • Mfr. Model # FWL-2
  • Pressure Only Relief Valve, Body Material Bronze, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 3/4 In.,...More

Adjustable Relief Valve,3/4 x 1/2,175psi
  • WATTS
  • Adjustable Relief Valve, 3/4 x 1/2,175psi
  • Item # 2X318
  • Mfr. Model # 530-3/4
  • Calibrated Adjustable Relief Valve, Body Material Brass, Inlet Type FNPT, Outlet Type MNPT, Inlet Size 3/4...More

Bronze Safety Relief Valve
Safety Relief Valve,3/4 In,30 psi,Brass
  • CASH ACME
  • Safety Relief Valve, 3/4 In, 30 psi, Brass
  • Item # 6RKF1
  • Mfr. Model # F-30
  • Safety Relief Valve, Body Material Brass, Inlet Type FNPT, Outlet Type MNPT, Inlet Size 3/4 In., Outlet Size...More

Vacuum Relief Valve,1/2 In,Up to 200 psi
  • WATTS
  • Vacuum Relief Valve, 1/2 In, Up to 200 psi
  • Item # 5DLZ3
  • Mfr. Model # 1/2 LF N36
  • Vacuum Relief Valve, Body Material Lead-Free Brass, Inlet Type MNPT, Outlet Type MNPT, Inlet Size 1/2 In.,...More

Low-Lead Brass Nonadjustable Relief Valve
Iron/Bronze Combination Fill and Relief Valve
Bronze Safety Relief Valve
Cast Bronze Safety Relief Valve
Iron Safety Relief Valve
Brass Safety Relief Valve
Vacuum Relief Valve,0 to 200 psi,SS
  • WATTS
  • Vacuum Relief Valve, 0 to 200 psi, SS
  • Item # 29YL72
  • Mfr. Model # LFN36-M1-3/4"
  • Vacuum Relief Valve, Body Material Lead Free Copper Silicon Alloy, Inlet Type MNPT, Outlet Type MNPT, Inlet...More

Bronze Safety Relief Valve
Red Brass Nonadjustable Relief Valve
Bronze Adjustable Relief Valve
Bronze Safety Relief Valve
Cast Bronze Adjustable Relief Valve
Safety Relief Valve,Bronze,3/4in,150 psi
  • CASH ACME
  • Safety Relief Valve, Bronze, 3/4in, 150 psi
  • Item # 31LH29
  • Mfr. Model # FWL-2
  • Safety Relief Valve, Body Material Bronze, Inlet Type MNPT, Outlet Type FNPT, Inlet Size 3/4 In., Outlet Size...More

316 Stainless Steel Adjustable Relief Valve
Stainless Steel Safety Relief Valve
Bronze Safety Relief Valve
Safety Relief Valve,2 x 2-1/2 In,30 psi
  • WATTS
  • Safety Relief Valve, 2 x 2-1/2 In, 30 psi
  • Item # 3AZD5
  • Mfr. Model # 2 740
  • Safety Relief Valve, Body Material Cast Iron, Inlet Type FNPT, Outlet Type FNPT, Inlet Size 2 In., Outlet...More

Bronze Adjustable Relief Valve
PVC Adjustable Back Pressure Relief Valve
Brass Adjustable Relief Valve
Stainless Steel Purge Relief Valve
Bronze POP Safety Relief Valve
Bronze Adjustable Back Pressure Relief Valve
316L Stainless Steel Adjustable Relief Valve
Cast Iron Safety Relief Valve
Brass Purge Relief Valve
Results per page: 16 | 32 | 48

Help protect pipelines against excess pressure with a relief valve from Grainger. Choose from a wide range of pressure relief valves that can release pressurized fluid through an auxiliary exhaust pathway. A relief valve is designed to open at a specific pressure to help protect pumps and other equipment from exceeding stress limits. When pressure rises above the set limit, a safety valve can divert liquids, gases or a liquid-gas mixture to a flare header to help relieve pressure and normalize. Choose from relief valves with manual levers, spring-operated types and more at Grainger.