Pressure Relief Valves

Filter

Search Within Category

: Show In Stock Items Only
: Apollo™ (397)
Kunkle (581)
WATTS® (60)
: Apollo 10-600 Safety Relief Valves (310)
Apollo 12-200 Safety Relief Valves (12)
Apollo 13 Series Steam Boiler Valves (25)
Apollo 14-200 Safety Relief Valves (17)
Apollo 16 Series Pressure Relief Valves (11)
Apollo Model TPC Relief Valves (19)
Kunkle Model 20 Safety Relief Valves (87)
Kunkle Model 215V Vacuum Relief Valves (15)
Kunkle Model 337 Safety Relief Valves (26)
Kunkle Model 537 Safety Relief Valves (50)
: 1/2 in (66)
1/2 in x 1/2 in (13)
1/2 in x 3/4 in (26)
1/2 in x Top Outlet (8)
3/4 in (81)
3/4 x 1/2 in (5)
3/4 x 3/4 in (2)
3/4 in x 3/4 in (27)
3/4 x 1 in (30)
3/4 in x 1 in (42)
: ANSI 250 Flanged x ANSI 125 Flanged (9)
ANSI 250 Flanged x FNPT (27)
FNPT (356)
FNPT x FNPT (61)
MNPT (58)
MNPT x FNPT (470)
MNPT x Top Outlet (52)
: Air/Gas ASME Section VIII (167)
Air/Gas ASME Section VIII & XIII (10)
Air/Gas, Non-Code (20)
Hot Water ASME Section IV (50)
Liquid, Non-Code (87)
Steam ASME Section I (179)
Steam ASME Section IV & XIII (3)
Steam ASME Section IV, Air, Steam, & Gas Section VIII & XIII, (47)
Steam, Non-Code (2)
Vacuum Air Non-Code (15)
: 5 psig (13)
6 psig (8)
7 psig (1)
8 psig (11)
9 psig (4)
10 psig (16)
11 psig (3)
12 psig (11)
13 psig (1)
14 psig (3)
: Brass (67)
Bronze (835)
Cast Bronze (9)
Cast Copper Silicon Alloy (2)
Cast Iron (116)
Copper Alloy (2)
Copper Silicon Alloy (5)
: Alloy Steel (140)
Alloy Steel/Brass (51)
Alloy Steel/Silicone (1)
Bronze Disc & Nozzle (41)
Bronze Nozzle, Disc & Guide (3)
Bronze Seat w/EPDM Insert (25)
Bronze Seat w/EPDM Insert & NBR O-Ring (25)
Bronze/Brass Seat (342)
EPDM Disc/Modified TFE Seat/Stainless Steel Spring (1)
EPR O-Ring (10)
: Domestic (455)

1038 items

Sort by:

show:

content loaded

Compare

Kunkle 6182DC Bronze Safety Relief Valve, 1/2 in MNPT x Top Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 165 psig Set Pressure, Kunkle 6182DCM01-KM0165

CBPN:

281297

MPN:

6182DCM01AKM0165

Price:

$256.06 / EA

QTY

Prop 65:

Price:

$256.06 / EA

QTY

Compare

Apollo™ 1060502 10-600 Safety Relief Valve, 1 in Nominal, FNPT End Style, 20 psi Pressure, Bronze Body, Domestic

CBPN:

229928

MPN:

10-605-02

Price:

$408.43 / EA

QTY

Prop 65:

Price:

$408.43 / EA

QTY

Compare

Apollo™ 1060520 10-600 High Capacity Safety Relief Valve, 1 in Nominal, FNPT End Style, Bronze Body, Domestic

CBPN:

131218

MPN:

10-605-20

Price:

$408.43 / EA

QTY

Prop 65:

Price:

$408.43 / EA

QTY

Compare

Apollo™ 1620202 16 General Purpose Pressure Relief Valve, 1/2 in Nominal, Male x Female End Style, 75 psi Pressure, Cast Bronze Body, Domestic

CBPN:

246990

MPN:

16-202-02

Price:

$41.79 / EA

QTY

Prop 65:

Price:

$41.79 / EA

QTY

Compare

Apollo™ 18C5215150 18C-500 High Capacity Temperature and Pressure Relief Valve, 1 in Nominal, MNPT End Style, 150 psi Pressure, Bronze Body, Domestic

CBPN:

111198

MPN:

18C5215150

Price:

$556.55 / EA

QTY

Prop 65:

Price:

$556.55 / EA

QTY

Compare

Kunkle 548 Bronze Safety Relief Valve, 1/2 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 100 psig Set Pressure, Kunkle 0548C01-KM0100

CBPN:

281641

MPN:

0548-C01-KM0100

Price:

$99.61 / EA

QTY

Prop 65:

Price:

$99.61 / EA

QTY

Compare

Kunkle 6010GF Bronze Safety Relief Valve, 1-1/4 in MNPT Inlet x 1-1/2 in FNPT Side Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 150 psig Set Pressure, Kunkle 6010GFM01-KM0150

CBPN:

151005

MPN:

6010GFM01AKM0150

Price:

$440.69 / EA

QTY

Prop 65:

Price:

$440.69 / EA

QTY

Compare

Kunkle 6010JH Bronze Safety Relief Valve, 2 in MNPT Inlet x 2-1/2 in FNPT Side Outlet, Bronze/Brass Seat, Steam ASME Section I, 100 psig Set Pressure, Kunkle 6010JHM01-AM0100

CBPN:

1798

MPN:

6010JHM01AAM0100

Price:

$731.70 / EA

QTY

Prop 65:

Price:

$731.70 / EA

QTY

Compare

Kunkle 6182HG Bronze Safety Relief Valve, 1-1/2 in MNPT x Top Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 150 psig Set Pressure, Kunkle 6182HGM01-KM0150

CBPN:

131391

MPN:

6182HGM01AKM0150

Price:

$503.00 / EA

QTY

Prop 65:

Price:

$503.00 / EA

QTY

Compare

WATTS® 0371271 530C-STD Calibrated Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT End Style, 50 to 175 psi Adjustable Set Pressure, Brass Body, Domestic

CBPN:

54720

MPN:

0371271

Price:

$102.10 / EA

QTY

Prop 65:

Price:

$102.10 / EA

QTY

Compare

WATTS® 0556018 LFN240X Automatic Reseating Temperature/Pressure Relief Valve, 1 in Nominal, FNPT End Style, 125 psi Set Pressure, Domestic

CBPN:

231881

MPN:

0556018

Price:

$2614.46 / EA

QTY

Prop 65:

Price:

$2614.46 / EA

QTY

Compare

Apollo™ 1060816 10-600 High Capacity Safety Relief Valve, 2 in Nominal, FNPT End Style, Bronze Body, Domestic

CBPN:

246824

MPN:

10-608-16

Price:

$1419.66 / EA

QTY

Prop 65:

Price:

$1419.66 / EA

QTY

Compare

Apollo™ 1620201 16 General Purpose Pressure Relief Valve, 1/2 in Nominal, Male x Female End Style, 50 psi Pressure, Cast Bronze Body, Domestic

CBPN:

246989

MPN:

16-202-01

Price:

$42.58 / EA

QTY

Prop 65:

Price:

$42.58 / EA

QTY

Compare

Kunkle Model 20 Safety Liquid Relief Valve

Kunkle 0020-H01 Bronze Safety Relief Valve, 2 in MNPT x 2 in FNPT Side Outlet, Bronze/Brass Seat, Liquid, Non-Code Service, 150 psig Set Pressure, Kunkle 0020H01-MG0150

CBPN:

190633

MPN:

0020-H01-MG0150

Price:

$769.58 / EA

QTY

Prop 65:

Price:

$769.58 / EA

QTY

Compare

Apollo™ 1061410 10-600 High Capacity Safety Relief Valve, 3/4 x 1 in Nominal, FNPT End Style, Bronze Body, Domestic

CBPN:

141054

MPN:

10-614-10

Price:

$276.61 / EA

QTY

Prop 65:

Price:

$276.61 / EA

QTY

Compare

Kunkle 6182DC Bronze Safety Relief Valve, 1/2 in MNPT x Top Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 165 psig Set Pressure, Kunkle 6182DCM01-KM0165

CBPN:

281297

MPN:

6182DCM01AKM0165

Prop 65:

Price:

$256.06 / EA

QTY

Compare

Apollo™ 1060502 10-600 Safety Relief Valve, 1 in Nominal, FNPT End Style, 20 psi Pressure, Bronze Body, Domestic

CBPN:

229928

MPN:

10-605-02

Prop 65:

Price:

$408.43 / EA

QTY

Compare

Apollo™ 1060520 10-600 High Capacity Safety Relief Valve, 1 in Nominal, FNPT End Style, Bronze Body, Domestic

CBPN:

131218

MPN:

10-605-20

Prop 65:

Price:

$408.43 / EA

QTY

Compare

Apollo™ 1620202 16 General Purpose Pressure Relief Valve, 1/2 in Nominal, Male x Female End Style, 75 psi Pressure, Cast Bronze Body, Domestic

CBPN:

246990

MPN:

16-202-02

Prop 65:

Price:

$41.79 / EA

QTY

Compare

Apollo™ 18C5215150 18C-500 High Capacity Temperature and Pressure Relief Valve, 1 in Nominal, MNPT End Style, 150 psi Pressure, Bronze Body, Domestic

CBPN:

111198

MPN:

18C5215150

Prop 65:

Price:

$556.55 / EA

QTY

Compare

Kunkle 548 Bronze Safety Relief Valve, 1/2 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 100 psig Set Pressure, Kunkle 0548C01-KM0100

CBPN:

281641

MPN:

0548-C01-KM0100

Prop 65:

Price:

$99.61 / EA

QTY

Compare

Kunkle 6010GF Bronze Safety Relief Valve, 1-1/4 in MNPT Inlet x 1-1/2 in FNPT Side Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 150 psig Set Pressure, Kunkle 6010GFM01-KM0150

CBPN:

151005

MPN:

6010GFM01AKM0150

Prop 65:

Price:

$440.69 / EA

QTY

Compare

Kunkle 6010JH Bronze Safety Relief Valve, 2 in MNPT Inlet x 2-1/2 in FNPT Side Outlet, Bronze/Brass Seat, Steam ASME Section I, 100 psig Set Pressure, Kunkle 6010JHM01-AM0100

CBPN:

1798

MPN:

6010JHM01AAM0100

Prop 65:

Price:

$731.70 / EA

QTY

Compare

Kunkle 6182HG Bronze Safety Relief Valve, 1-1/2 in MNPT x Top Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 150 psig Set Pressure, Kunkle 6182HGM01-KM0150

CBPN:

131391

MPN:

6182HGM01AKM0150

Prop 65:

Price:

$503.00 / EA

QTY

Compare

WATTS® 0371271 530C-STD Calibrated Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT End Style, 50 to 175 psi Adjustable Set Pressure, Brass Body, Domestic

CBPN:

54720

MPN:

0371271

Prop 65:

Price:

$102.10 / EA

QTY

Compare

WATTS® 0556018 LFN240X Automatic Reseating Temperature/Pressure Relief Valve, 1 in Nominal, FNPT End Style, 125 psi Set Pressure, Domestic

CBPN:

231881

MPN:

0556018

Prop 65:

Price:

$2614.46 / EA

QTY

Compare

Apollo™ 1060816 10-600 High Capacity Safety Relief Valve, 2 in Nominal, FNPT End Style, Bronze Body, Domestic

CBPN:

246824

MPN:

10-608-16

Prop 65:

Price:

$1419.66 / EA

QTY

Compare

Apollo™ 1620201 16 General Purpose Pressure Relief Valve, 1/2 in Nominal, Male x Female End Style, 50 psi Pressure, Cast Bronze Body, Domestic

CBPN:

246989

MPN:

16-202-01

Prop 65:

Price:

$42.58 / EA

QTY

Compare

Kunkle 0020-H01 Bronze Safety Relief Valve, 2 in MNPT x 2 in FNPT Side Outlet, Bronze/Brass Seat, Liquid, Non-Code Service, 150 psig Set Pressure, Kunkle 0020H01-MG0150

CBPN:

190633

MPN:

0020-H01-MG0150

Prop 65:

Price:

$769.58 / EA

QTY

Compare

Apollo™ 1061410 10-600 High Capacity Safety Relief Valve, 3/4 x 1 in Nominal, FNPT End Style, Bronze Body, Domestic

CBPN:

141054

MPN:

10-614-10

Prop 65:

Price:

$276.61 / EA

QTY

show:

Pressure Relief Valves

Filter

Kunkle 6182DC Bronze Safety Relief Valve, 1/2 in MNPT x Top Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 165 psig Set Pressure, Kunkle 6182DCM01-KM0165

Apollo™ 1060502 10-600 Safety Relief Valve, 1 in Nominal, FNPT End Style, 20 psi Pressure, Bronze Body, Domestic

Apollo™ 1060520 10-600 High Capacity Safety Relief Valve, 1 in Nominal, FNPT End Style, Bronze Body, Domestic

Apollo™ 1620202 16 General Purpose Pressure Relief Valve, 1/2 in Nominal, Male x Female End Style, 75 psi Pressure, Cast Bronze Body, Domestic

Apollo™ 18C5215150 18C-500 High Capacity Temperature and Pressure Relief Valve, 1 in Nominal, MNPT End Style, 150 psi Pressure, Bronze Body, Domestic

Kunkle 548 Bronze Safety Relief Valve, 1/2 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 100 psig Set Pressure, Kunkle 0548C01-KM0100

Kunkle 6010GF Bronze Safety Relief Valve, 1-1/4 in MNPT Inlet x 1-1/2 in FNPT Side Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 150 psig Set Pressure, Kunkle 6010GFM01-KM0150

Kunkle 6010JH Bronze Safety Relief Valve, 2 in MNPT Inlet x 2-1/2 in FNPT Side Outlet, Bronze/Brass Seat, Steam ASME Section I, 100 psig Set Pressure, Kunkle 6010JHM01-AM0100

Kunkle 6182HG Bronze Safety Relief Valve, 1-1/2 in MNPT x Top Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 150 psig Set Pressure, Kunkle 6182HGM01-KM0150

WATTS® 0371271 530C-STD Calibrated Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT End Style, 50 to 175 psi Adjustable Set Pressure, Brass Body, Domestic

WATTS® 0556018 LFN240X Automatic Reseating Temperature/Pressure Relief Valve, 1 in Nominal, FNPT End Style, 125 psi Set Pressure, Domestic

Apollo™ 1060816 10-600 High Capacity Safety Relief Valve, 2 in Nominal, FNPT End Style, Bronze Body, Domestic

Apollo™ 1620201 16 General Purpose Pressure Relief Valve, 1/2 in Nominal, Male x Female End Style, 50 psi Pressure, Cast Bronze Body, Domestic

Kunkle 0020-H01 Bronze Safety Relief Valve, 2 in MNPT x 2 in FNPT Side Outlet, Bronze/Brass Seat, Liquid, Non-Code Service, 150 psig Set Pressure, Kunkle 0020H01-MG0150

Apollo™ 1061410 10-600 High Capacity Safety Relief Valve, 3/4 x 1 in Nominal, FNPT End Style, Bronze Body, Domestic

Kunkle 6182DC Bronze Safety Relief Valve, 1/2 in MNPT x Top Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 165 psig Set Pressure, Kunkle 6182DCM01-KM0165

Apollo™ 1060502 10-600 Safety Relief Valve, 1 in Nominal, FNPT End Style, 20 psi Pressure, Bronze Body, Domestic

Apollo™ 1060520 10-600 High Capacity Safety Relief Valve, 1 in Nominal, FNPT End Style, Bronze Body, Domestic

Apollo™ 1620202 16 General Purpose Pressure Relief Valve, 1/2 in Nominal, Male x Female End Style, 75 psi Pressure, Cast Bronze Body, Domestic

Apollo™ 18C5215150 18C-500 High Capacity Temperature and Pressure Relief Valve, 1 in Nominal, MNPT End Style, 150 psi Pressure, Bronze Body, Domestic

Kunkle 548 Bronze Safety Relief Valve, 1/2 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 100 psig Set Pressure, Kunkle 0548C01-KM0100

Kunkle 6010GF Bronze Safety Relief Valve, 1-1/4 in MNPT Inlet x 1-1/2 in FNPT Side Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 150 psig Set Pressure, Kunkle 6010GFM01-KM0150

Kunkle 6010JH Bronze Safety Relief Valve, 2 in MNPT Inlet x 2-1/2 in FNPT Side Outlet, Bronze/Brass Seat, Steam ASME Section I, 100 psig Set Pressure, Kunkle 6010JHM01-AM0100

Kunkle 6182HG Bronze Safety Relief Valve, 1-1/2 in MNPT x Top Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 150 psig Set Pressure, Kunkle 6182HGM01-KM0150

WATTS® 0371271 530C-STD Calibrated Pressure Relief Valve, 1/2 in Nominal, MNPT x FNPT End Style, 50 to 175 psi Adjustable Set Pressure, Brass Body, Domestic

WATTS® 0556018 LFN240X Automatic Reseating Temperature/Pressure Relief Valve, 1 in Nominal, FNPT End Style, 125 psi Set Pressure, Domestic

Apollo™ 1060816 10-600 High Capacity Safety Relief Valve, 2 in Nominal, FNPT End Style, Bronze Body, Domestic

Apollo™ 1620201 16 General Purpose Pressure Relief Valve, 1/2 in Nominal, Male x Female End Style, 50 psi Pressure, Cast Bronze Body, Domestic

Kunkle 0020-H01 Bronze Safety Relief Valve, 2 in MNPT x 2 in FNPT Side Outlet, Bronze/Brass Seat, Liquid, Non-Code Service, 150 psig Set Pressure, Kunkle 0020H01-MG0150

Apollo™ 1061410 10-600 High Capacity Safety Relief Valve, 3/4 x 1 in Nominal, FNPT End Style, Bronze Body, Domestic

My Account

Support

SPECIALTY SERVICES

Contact Us