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  1. Home
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  3. Plumbing
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  5. Pipes, Valves & Fittings
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  7. Valves
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  9. Relief Valves

Relief Valves (2,000+ items) - Page 9

Maxitrol R600S-3/4 Gas Pressure Regulator R600S-3/4
Maxitrol

R600S-3/4 Gas Pressure Regulator

Zoro # G7030083
Mfr # R600S-3/4
product price:  $158.99
/ea
Cash Acme MNPT Bronze Temperature and Pressure Relief Valve FNPT 15836A-0150
Cash Acme

MNPT Bronze Temperature and Pressure Relief Valve FNPT

Zoro # G7695813
Mfr # 15836A-0150
product price:  $16.95
/ea
Maxitrol 1/2 in. MOD/REG VALVE 3-5 in. wc MR510-1/2
Maxitrol

1/2 in. MOD/REG VALVE 3-5 in. wc

Zoro # G710022658
Mfr # MR510-1/2
product price:  $254.99
/ea
Aquatrol Safety Relief Valve, 1-1/4 x 1-1/2, 90 psi 740FH1M2J1-90
Aquatrol

Safety Relief Valve, 1-1/4 x 1-1/2, 90 psi

Zoro # G6932502
Mfr # 740FH1M2J1-90
product price:  $312.99
/ea
Cash Valve Pressure Relief Valve, 3/4 In, 65 psi FR-FDWSCFMES02-D4-0065
Cash Valve

Pressure Relief Valve, 3/4 In, 65 psi

Zoro # G0215975
Mfr # FR-FDWSCFMES02-D4-0065
product price:  $1,591.99
/ea
Apollo Valves POP Safety Valve, 1/2 x 3/4 In, 125 psi 511DCDKMAA0125
Apollo Valves

POP Safety Valve, 1/2 x 3/4 In, 125 psi

Zoro # G0208022
Mfr # 511DCDKMAA0125
product price:  $227.99
/ea
Apollo Valves Safety Relief Valve, 1/2 x 1 In, 150 psi 511DCBKMAA0150
Apollo Valves

Safety Relief Valve, 1/2 x 1 In, 150 psi

Zoro # G0208101
Mfr # 511DCBKMAA0150
product price:  $231.99
/ea
Bell & Gossett 1 in. RELIEF VLV, 30# 1170000 BTUH 110129
Bell & Gossett

1 in. RELIEF VLV, 30# 1170000 BTUH

Zoro # G609235800
Mfr # 110129
product price:  $295.99
/ea
Watts Relief Valve, 150, 3/4" 0556034
Watts

Relief Valve, 150, 3/4"

Zoro # G9550191
Mfr # 0556034
product price:  $125.43
/ea
Conbraco 3/4 X 1 in. 100# H/W 2,536,000BTU 10-614-20
Conbraco

3/4 X 1 in. 100# H/W 2,536,000BTU

Zoro # G409235963
Mfr # 10-614-20
product price:  $223.99
/ea
Aquatrol Safety Valve, 200 psi, 3/4 MNPT x 3/4 FNPT 570DD1M1K1-200
Aquatrol

Safety Valve, 200 psi, 3/4 MNPT x 3/4 FNPT

Zoro # G6988578
Mfr # 570DD1M1K1-200
product price:  $228.99
/ea
Wilkins Water Heater Pressure Relief Valve TP3000-5C-150C
Wilkins

Water Heater Pressure Relief Valve

Zoro # G6531259
Mfr # TP3000-5C-150C
product price:  $474.99
/ea
Watts BP30B RELIEF VALVE, 45/100#1/2 in. 0121400
Watts

BP30B RELIEF VALVE, 45/100#1/2 in.

Zoro # G509236839
Mfr # 0121400
product price:  $319.99
/ea
Cash Acme 3/4 in. Bronze Pressure Relief Valve 18822A-0150
Cash Acme

3/4 in. Bronze Pressure Relief Valve

Zoro # G7694833
Mfr # 18822A-0150
product price:  $18.69
/ea
Dixon THERMAL RELIEF VALVE WITH 1/2 in MALE TPP140
Dixon

THERMAL RELIEF VALVE WITH 1/2 in MALE

Zoro # G909216790
Mfr # TPP140
product price:  $21.75
/ea
No Product Image Available
Bell & Gossett

Valve 3/4"100Reliefvlv, 2075000Btuh

Zoro # G7695149
Mfr # 110126
product price:  $282.99
/ea
Armstrong 1/2 in. RELF/REG DUAL COMB VALVE 216945-300
Armstrong

1/2 in. RELF/REG DUAL COMB VALVE

Zoro # G009235769
Mfr # 216945-300
product price:  $459.99
/ea
Thrifco Plumbing 4 Inch PVC Sewer Relief Valve and Cleanout 6415208
Thrifco Plumbing

4 Inch PVC Sewer Relief Valve and Cleanout

Zoro # G209547891
Mfr # 6415208
product price:  $68.15
/ea
Watts Lf5300A 1/2" 0121627 Poppet Type LF5300A
Watts

Lf5300A 1/2" 0121627 Poppet Type

Zoro # G6073752
Mfr # LF5300A
product price:  $394.99
/ea
Hayward Flow Control Relief Valve, 3/4", PVC/EPDM, Adjustable 5-75 psi, Threaded RV1075TE
Hayward Flow Control

Relief Valve, 3/4", PVC/EPDM, Adjustable 5-75 psi, Threaded

Zoro # G1239786
Mfr # RV1075TE
product price:  $707.99
/ea
Kunkle Valve Safety Relief Valve, 1/2in.x3/4in., 100psi 6010DCM01AAM0100
Kunkle Valve

Safety Relief Valve, 1/2in.x3/4in., 100psi

Zoro # G6447883
Mfr # 6010DCM01AAM0100
product price:  $302.99
/ea
Aquatrol Safety Relief Valve, 1/2 x 3/4, 40 psi 740DC1M1K1-40
Aquatrol

Safety Relief Valve, 1/2 x 3/4, 40 psi

Zoro # G6848852
Mfr # 740DC1M1K1-40
product price:  $215.99
/ea
Kunkle Valve Safety Relief Valve, 1-1/2in.x2in., 60 psi 6010HGM01AAM0060
Kunkle Valve

Safety Relief Valve, 1-1/2in.x2in., 60 psi

Zoro # G6608226
Mfr # 6010HGM01AAM0060
product price:  $643.99
/ea
Apollo Valves POP Safety Valve, 3/4In, 350 psi, Bronze 523DDDKMAA0350
Apollo Valves

POP Safety Valve, 3/4In, 350 psi, Bronze

Zoro # G2625314
Mfr # 523DDDKMAA0350
product price:  $451.99
/ea
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
Dayton Relief Valve, 6 GPM, 3/4 NPT x 3/4 NPT 4KGZ7
Dayton

Relief Valve, 6 GPM, 3/4 NPT x 3/4 NPT

Zoro # G3054046
Mfr # 4KGZ7
product price:  $58.79
/ea
Apollo Valves Safety Relief Valve, 3/4 In, 10 psi, Bronze 13101B10
Apollo Valves

Safety Relief Valve, 3/4 In, 10 psi, Bronze

Zoro # G1331942
Mfr # 13101B10
product price:  $43.99
/ea
Cash Valve Pressure Relief Valve, 1-1/2 In, 213 psi FR-ZGWSCZMZS02-D6-0213
Cash Valve

Pressure Relief Valve, 1-1/2 In, 213 psi

Zoro # G0215783
Mfr # FR-ZGWSCZMZS02-D6-0213
product price:  $4,050.99
/ea
Goetze Kg PRV series 6420, ASME+ABS approved, Gunmetal, Angled, for gaseous media, with lifting lever, 100PSI 6420mGL-40-NPTm/NPTf-40/40-PTFE/EPDM 100 PSI
Goetze Kg

PRV series 6420, ASME+ABS approved, Gunmetal, Angled, for gaseous media, with lifting lever, 100PSI

Zoro # G612043867
Mfr # 6420mGL-40-NPTm/NPTf-40/40-PTFE/EPDM 100 PSI
product price:  $1,657.99
/ea
Cash Valve Pressure Relief Valve, 1-1/2 In, 120psi, SS FR-GGWSCFGES04-D5-0120
Cash Valve

Pressure Relief Valve, 1-1/2 In, 120psi, SS

Zoro # G0216517
Mfr # FR-GGWSCFGES04-D5-0120
product price:  $5,172.99
/ea
Cash Valve Relief Valve, 1-1/4 In, 83 psi, Cast Iron FR-FFWSCFMES02-D4-0083
Cash Valve

Relief Valve, 1-1/4 In, 83 psi, Cast Iron

Zoro # G0216097
Mfr # FR-FFWSCFMES02-D4-0083
product price:  $2,009.99
/ea
Kunkle Valve Safety Relief Valve, 3/8 x 1/2 In, 25 psi 0140-B01-ME0025
Kunkle Valve

Safety Relief Valve, 3/8 x 1/2 In, 25 psi

Zoro # G5068262
Mfr # 0140-B01-ME0025
product price:  $733.99
/ea
Cash Valve Pressure Relief Valve, 1 In, 83 psi, Bronze FR-ZEWSCZMES02-D4-0083
Cash Valve

Pressure Relief Valve, 1 In, 83 psi, Bronze

Zoro # G0215686
Mfr # FR-ZEWSCZMES02-D4-0083
product price:  $2,731.99
/ea
Cash Valve Pressure Relief Valve, 3/4 In, 65 psiSS FR-GDWSCFGES04-D  20-110
Cash Valve

Pressure Relief Valve, 3/4 In, 65 psiSS

Zoro # G0216325
Mfr # FR-GDWSCFGES04-D 20-110
product price:  $3,796.99
/ea
Apollo Valves POP Safety Valve, 1 x 1-1/4 In, 75 psi 511EEBKMAA0075
Apollo Valves

POP Safety Valve, 1 x 1-1/4 In, 75 psi

Zoro # G0208302
Mfr # 511EEBKMAA0075
product price:  $283.99
/ea
Apollo Valves POP Safety Valve, 1-1/4 x 1-1/2,175psi 511FFBKMAA0175
Apollo Valves

POP Safety Valve, 1-1/4 x 1-1/2,175psi

Zoro # G0208363
Mfr # 511FFBKMAA0175
product price:  $323.99
/ea
Relief Valves (2,000+ items) - Page 9
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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

Ball ValvesCheck ValvesValve PartsSolenoid ValvesBlack Pipe Fittings
PVC Pipe FittingsStainless Steel Pipe FittingsCamlock FittingsBrass Pipe FittingsCopper Fittings
1" safety valve2" steam valve75 psi relief valveair vacuum valve1-1/2" fnpt x mnpt
hayward back pressure valvepresure relief valveplast-o-matic 2" ball valvevalve reliefaquatrol adjustable relief valve

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