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  5. Pipes, Valves & Fittings
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  7. Valves
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  9. Relief Valves
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Relief Valves (2,000+ items) - Page 6

Plast-O-Matic Relief Valve, 2 In, 5 to 100 psi, PVC RVDT200T-PV
Plast-O-Matic

Relief Valve, 2 In, 5 to 100 psi, PVC

Zoro # G4106812
Mfr # RVDT200T-PV
product price:  $1,343.99
/ea
Watts Temperature Pressure Relief Valve, Brass 3/4 100XL-175/210
Watts

Temperature Pressure Relief Valve, Brass

Zoro # G305444018
Mfr # 3/4 100XL-175/210
product price:  $86.59
/ea
Apollo Valves POP Safety Valve, 1/2 x 3/4 In, 150 psi 511DCDKMAA0150
Apollo Valves

POP Safety Valve, 1/2 x 3/4 In, 150 psi

Zoro # G0208013
Mfr # 511DCDKMAA0150
product price:  $227.99
/ea
Aquatrol Safety Relief Valve, 3/4 x 1 In, 100 psi 89B2A1M2K1-100
Aquatrol

Safety Relief Valve, 3/4 x 1 In, 100 psi

Zoro # G0214776
Mfr # 89B2A1M2K1-100
product price:  $140.99
/ea
Apollo Valves Safety Relief Valve, 1-1/4In, 75psi, Bronze 1060615
Apollo Valves

Safety Relief Valve, 1-1/4In, 75psi, Bronze

Zoro # G2123791
Mfr # 1060615
product price:  $320.99
/ea
Cash Acme Cash Acme 3/4 in. Bronze Pressure Relief Valve 18822A-0150
Cash Acme

Cash Acme 3/4 in. Bronze Pressure Relief Valve

Zoro # G7694833
Mfr # 18822A-0150
product price:  $18.70
/ea
Kunkle Valve 3" 15N. 6942N.Ph Steam Relief 0930-K01-GC0015
Kunkle

Valve 3" 15N. 6942N.Ph Steam Relief

Zoro # G3186887
Mfr # 0930-K01-GC0015
product price:  $1,055.99
/ea
No Product Image Available
Wilkins

Wilkins 2 1/2"- 6" Relief Valve Kit

Zoro # G915226905
Mfr # RK212-375RVCI
product price:  $306.99
/ea
Aquatrol Safety Relief Valve, 1-1/4 x 1-1/2,200psi 88D2A1M1K1-200
Aquatrol

Safety Relief Valve, 1-1/4 x 1-1/2,200psi

Zoro # G0214374
Mfr # 88D2A1M1K1-200
product price:  $248.99
/ea
Aquatrol Adjustable Relief Valve, 1-1/2 In, 30 psi 69E1A1M2U1-30
Aquatrol

Adjustable Relief Valve, 1-1/2 In, 30 psi

Zoro # G0216937
Mfr # 69E1A1M2U1-30
product price:  $284.99
/ea
Watts Temperature Pressure Relief Valve, Brass 3/4 100XL8 150/210
Watts

Temperature Pressure Relief Valve, Brass

Zoro # G405444086
Mfr # 3/4 100XL8 150/210
product price:  $55.89
/ea
Watts Temperature Pressure Relief Valve, Brass 3/4 100XL-100210
Watts

Temperature Pressure Relief Valve, Brass

Zoro # G305443967
Mfr # 3/4 100XL-100210
product price:  $70.89
/ea
Apollo Valves Safety Relief Valve, 3/4 In, 5 psi 13101B05
Apollo Valves

Safety Relief Valve, 3/4 In, 5 psi

Zoro # G3222317
Mfr # 13101B05
product price:  $49.45
/ea
Aquatrol Safety Valve, 150 psi, 1 MNPT x 1 FNPT 570EE1M1K1-150
Aquatrol

Safety Valve, 150 psi, 1 MNPT x 1 FNPT

Zoro # G6988709
Mfr # 570EE1M1K1-150
product price:  $267.99
/ea
Kunkle Valve Safety Relief Valve, 1/2 x 3/4 In, 200 psi 6010DCV01AKM0200
Kunkle Valve

Safety Relief Valve, 1/2 x 3/4 In, 200 psi

Zoro # G0207751
Mfr # 6010DCV01AKM0200
product price:  $359.99
/ea
Watts Steam Safety Relief Valve, 2-3/4 in. 0006275
Watts

Steam Safety Relief Valve, 2-3/4 in.

Zoro # G0064961
Mfr # 0006275
product price:  $100.99
/ea
Watts Temperature and Pressure Relief Valve 1 LF140X-9 150/210 FS
Watts

Temperature and Pressure Relief Valve

Zoro # G610565781
Mfr # 1 LF140X-9 150/210 FS
product price:  $739.99
/ea
Cash Acme Cash Acme MNPT Bronze Temperature and Pressure Relief Valve FNPT 15836A-0150
Cash Acme

Cash Acme MNPT Bronze Temperature and Pressure Relief Valve FNPT

Zoro # G7695813
Mfr # 15836A-0150
product price:  $16.95
/ea
Aquatrol Safety Relief Valve, 1 x 1-1/4 In, 150 psi 88C2A1M1K1-150
Aquatrol

Safety Relief Valve, 1 x 1-1/4 In, 150 psi

Zoro # G0214252
Mfr # 88C2A1M1K1-150
product price:  $184.99
/ea
Gentec HP Low Flow Regulator, CGA-580 , Inlet  0 to 25 PSI, Relief Valve, Use with: IN Ar, He, N2 R13BGT-DLK-C580-01
Gentec

HP Low Flow Regulator, CGA-580 , Inlet 0 to 25 PSI, Relief Valve, Use with: IN Ar, He, N2

Zoro # G109978399
Mfr # R13BGT-DLK-C580-01
product price:  $309.99
/ea
No Product Image Available
Watts

Pressure Relief Valve, NPTF Inlet

Zoro # G016424071
Mfr # F121451
product price:  $1,165.99
/ea
Apollo Valves T and P Relief Valve, MNPT x FNPT 18C5513150
Apollo Valves

T and P Relief Valve, MNPT x FNPT

Zoro # G2426627
Mfr # 18C5513150
product price:  $475.99
/ea
Plast-O-Matic Adjustable Relief Valve, 1-1/2 In, 100 psi RVDT150T-PV
Plast-O-Matic

Adjustable Relief Valve, 1-1/2 In, 100 psi

Zoro # G4002056
Mfr # RVDT150T-PV
product price:  $842.99
/ea
Kunkle Valve Safety Relief Valve, 1in.x1-1/4in., 150psi 6010FEM01AKM0150
Kunkle Valve

Safety Relief Valve, 1in.x1-1/4in., 150psi

Zoro # G7070603
Mfr # 6010FEM01AKM0150
product price:  $428.99
/ea
Sloan A-19-AC REPAIR KIT RELIEF VALVE CLOSET, 4.5 GPF AND 3.5 GPF 5301007
Sloan

A-19-AC REPAIR KIT RELIEF VALVE CLOSET, 4.5 GPF AND 3.5 GPF

Zoro # G310080706
Mfr # 5301007
product price:  $31.35
/ea
Smith Performance Sprayers Viton Pressure Relief Valve, 3.5 gal. 182947
Smith Performance Sprayers

Viton Pressure Relief Valve, 3.5 gal.

Zoro # G6288670
Mfr # 182947
product price:  $9.45
/ea
Aquatrol Safety Relief Valve, 1-1/4x1-1/2 In, 75psi 89D2A1M2K1-75
Aquatrol

Safety Relief Valve, 1-1/4x1-1/2 In, 75psi

Zoro # G0214986
Mfr # 89D2A1M2K1-75
product price:  $219.99
/ea
A.R. North America Regulating Valve, 3/8 In, 0 to 6.3 GPM SVT28
A.R. North America

Regulating Valve, 3/8 In, 0 to 6.3 GPM

Zoro # G3157393
Mfr # SVT28
product price:  $56.85
/ea
No Product Image Available
Cash Acme

Pressure Relief Valve, Brass, 30 psi

Zoro # G816049115
Mfr # F-30F
product price:  $32.55
/ea
Kunkle Valve Safety Relief Valve, 1/2 In, 300 psi, SS 0140-C01-ME0300
Kunkle Valve

Safety Relief Valve, 1/2 In, 300 psi, SS

Zoro # G5068314
Mfr # 0140-C01-ME0300
product price:  $732.99
/ea
Aquatrol Adjustable Relief Valve, 3/8x1/2 In, 25psi 55BA1M2U1-25
Aquatrol

Adjustable Relief Valve, 3/8x1/2 In, 25psi

Zoro # G3098015
Mfr # 55BA1M2U1-25
product price:  $52.15
/ea
Apollo Valves Relief Valve, 5 in Overall H, 50 psig 1061410
Apollo Valves

Relief Valve, 5 in Overall H, 50 psig

Zoro # G210070326
Mfr # 1061410
product price:  $140.99
/ea
Hayward Flow Control Relief Valve, 1", PVC/EPDM, Adjustable 5-75 psi, Threaded RV1100TE
Hayward Flow Control

Relief Valve, 1", PVC/EPDM, Adjustable 5-75 psi, Threaded

Zoro # G1418697
Mfr # RV1100TE
product price:  $830.99
/ea
Watts Lf5300A 1/2" 0121627 Poppet Type LF5300A
Watts

Lf5300A 1/2" 0121627 Poppet Type

Zoro # G6073752
Mfr # LF5300A
product price:  $395.19
/ea
Star Water Systems 1/2 In. 70 PSI Pressure Relief Valve 024777
Star Water

Systems 1/2 In. 70 PSI Pressure Relief Valve

Zoro # G411378771
Mfr # 024777
product price:  $30.15
/ea
Watts Pressure Relief Valve, Brass, 75 psi 1/2 LF53-75
Watts

Pressure Relief Valve, Brass, 75 psi

Zoro # G005444097
Mfr # 1/2 LF53-75
product price:  $199.99
/ea
Relief Valves (2,000+ items) - Page 6
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About Relief Valves

Relief Valves are safety valves that regulate the pressure of a system. They can be used to protect the system from overpressure or to maintain a certain pressure in the system. There are various types of relief valves, each designed for different applications and purposes.

Types of Relief Valves

Pressure relief valves, safety relief valves, and other types of relief valves all serve different purposes and have unique features that make them suitable for specific applications. Pressure relief valves are designed to open at a predetermined pressure to relieve excess pressure from the system while safety relief valves provide emergency protection against overpressure.

How Relief Valves are Made

Relief Valves are typically made with metal bodies and valve discs, such as stainless steel or brass. The valve disc is usually connected to a spring which helps keep it closed until the set pressure is reached. Additionally, some Relief Valves use compounds like rubber or plastic seals in order to ensure proper operation.

Industries that use Relief Valves

Relief Valves can be found in a variety of industries including oil and gas production, power generation, chemical processing, water treatment plants, and more. Professionals in these industries rely on Relief Valves as an important part of their operations because they help protect systems from dangerous overpressure scenarios.

Find the Relief Valves You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of plumbing tools & supplies, along with other equipment and essentials to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

Related Categories

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1/2 propress valve1/2 inch valve1-1/2" fnpt x mnpt1/4" mnpt x 1/4" fnpt1/2 mnpt x 3/8 barb
1/2 mnpt 1/4 fnpt1 2 relief valve10 psi pressure relief valve1 2 pressure relief valve1/2 in relief valve

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