Pressure Relief Valves

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: Apollo™ (397)
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: 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)
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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)
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3/4 x 1/2 in (5)
3/4 x 3/4 in (2)
3/4 in x 3/4 in (27)
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3/4 in x 1 in (42)
: ANSI 250 Flanged x ANSI 125 Flanged (9)
ANSI 250 Flanged x FNPT (27)
FNPT (356)
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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)
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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)
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14 psig (3)
: Brass (67)
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: Alloy Steel (140)
Alloy Steel/Brass (51)
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Bronze Disc & Nozzle (41)
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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)

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Apollo™ 1061510 10-600 Safety Relief Valve, 1 x 1-1/4 in Nominal, FNPT End Style, 50 psi Pressure, Bronze Body, Domestic

CBPN:

164759

MPN:

10-615-10

Price:

$452.18 / EA

QTY

Prop 65:

Price:

$452.18 / EA

QTY

Compare

Apollo™ 1061625 10-600 High Capacity Safety Relief Valve, 1-1/4 x 1-1/2 in Nominal, FNPT End Style, Bronze Body, Domestic

CBPN:

133244

MPN:

10-616-25

Price:

$735.74 / EA

QTY

Prop 65:

Price:

$735.74 / EA

QTY

Compare

Apollo™ 13202B12 13 Low Pressure Safety Relief Valve, 1 in Nominal, MNPT x FNPT End Style, 12 psi Pressure, Bronze Body, Domestic

CBPN:

207162

MPN:

13-202-B-12

Price:

$147.27 / EA

QTY

Prop 65:

Price:

$147.27 / EA

QTY

Compare

Apollo™ 13213B15 13 Low Pressure Safety Relief Valve, 1-1/4 x 1-1/2 in Nominal, MNPT x FNPT End Style, 15 psi Pressure, Bronze Body, Domestic

CBPN:

128143

MPN:

13-213-B-15

Price:

$212.02 / EA

QTY

Prop 65:

Price:

$212.02 / EA

QTY

Compare

Apollo™ 1420608 14-200 Safety Relief Valve, 2-1/2 in Nominal, Male x Female End Style, 15 psi Pressure, Bronze Body, Domestic

CBPN:

106906

MPN:

14-206-08

Price:

$1392.16 / EA

QTY

Prop 65:

Price:

$1392.16 / EA

QTY

Compare

Apollo™ 16-203-03 16-200, 16-203 Pressure Relief Valve, 3/4 x 1/2 in, Male x Female, 100 psig, Bronze Body

CBPN:

246997

MPN:

16-203-03

Price:

$48.46 / EA

QTY

Prop 65:

Price:

$48.46 / EA

QTY

Compare

Apollo™ 18C5225150 18C-500 High Capacity Temperature and Pressure Relief Valve, 1 in Nominal, FNPT End Style, 150 psi Pressure, Bronze Body, Domestic

CBPN:

150845

MPN:

18C5225150

Price:

$599.28 / EA

QTY

Prop 65:

Price:

$599.28 / EA

QTY

Compare

Kunkle 337 Cast Iron Safety Relief Valve, 3 in MNPT x 3 in FNPT Side Outlet, Bronze Disc & Nozzle, Air/Gas Non-Code, 10 psig Set Pressure, Kunkle 0337K01-NE0010

CBPN:

79696

MPN:

0337-K01ANE0010

Price:

$1064.55 / EA

QTY

Price:

$1064.55 / EA

QTY

Compare

Kunkle 537 Bronze Safety Relief Valve, 1 in FNPT x 1-1/4 in FNPT Side Outlet, Bronze Seat with EPDM Insert, Hot Water ASME Section IV, 60 psig Set Pressure, Kunkle 0537E01-HM0060

CBPN:

26270

MPN:

0537-E01-HM0060

Price:

$325.97 / EA

QTY

Price:

$325.97 / EA

QTY

Compare

Kunkle 537 Cast Iron Safety Relief Valve, 1-1/2 in FNPT x 2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 125 psig Set Pressure, Kunkle 0537G01-HM0125

CBPN:

110367

MPN:

0537-G01-HM0125

Price:

$645.50 / EA

QTY

Price:

$645.50 / EA

QTY

Compare

Kunkle 548 Bronze Safety Relief Valve, 1/2 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 140 psig Set Pressure, Kunkle 0548C01-KM0140

CBPN:

126437

MPN:

0548-C01-KM0140

Price:

$99.62 / EA

QTY

Prop 65:

Price:

$99.62 / EA

QTY

Compare

Kunkle 548 Bronze Safety Relief Valve, 1/4 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 150 psig Set Pressure, Kunkle 0548A01-KM0150

CBPN:

26419

MPN:

0548-A01-KM0150

Price:

$64.10 / EA

QTY

Prop 65:

Price:

$64.10 / EA

QTY

Compare

Kunkle 548 Bronze Safety Relief Valve, 1/4 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 325 psig Set Pressure, Kunkle 0548A01-KM0325

CBPN:

14941

MPN:

0548-A01-KM0325

Price:

$64.10 / EA

QTY

Prop 65:

Price:

$64.10 / EA

QTY

Compare

Kunkle 6010DC Bronze Safety Relief Valve, 1/2 in MNPT Inlet x 3/4 in FNPT Side Outlet, Bronze/Brass Seat, Steam ASME Section I, 150 psig Set Pressure, Kunkle 6010DCM01-AM0150

CBPN:

1799

MPN:

6010DCM01AAM0150

Price:

$268.98 / EA

QTY

Prop 65:

Price:

$268.98 / EA

QTY

Compare

Kunkle 6010ED Bronze Safety Relief Valve, 3/4 in MNPT Inlet x 1 in FNPT Side Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 150 psig Set Pressure, Kunkle 6010EDM01-KM0150

CBPN:

173724

MPN:

6010EDM01AKM0150

Price:

$301.65 / EA

QTY

Prop 65:

Price:

$301.65 / EA

QTY

Compare

Apollo™ 1061510 10-600 Safety Relief Valve, 1 x 1-1/4 in Nominal, FNPT End Style, 50 psi Pressure, Bronze Body, Domestic

CBPN:

164759

MPN:

10-615-10

Prop 65:

Price:

$452.18 / EA

QTY

Compare

Apollo™ 1061625 10-600 High Capacity Safety Relief Valve, 1-1/4 x 1-1/2 in Nominal, FNPT End Style, Bronze Body, Domestic

CBPN:

133244

MPN:

10-616-25

Prop 65:

Price:

$735.74 / EA

QTY

Compare

Apollo™ 13202B12 13 Low Pressure Safety Relief Valve, 1 in Nominal, MNPT x FNPT End Style, 12 psi Pressure, Bronze Body, Domestic

CBPN:

207162

MPN:

13-202-B-12

Prop 65:

Price:

$147.27 / EA

QTY

Compare

Apollo™ 13213B15 13 Low Pressure Safety Relief Valve, 1-1/4 x 1-1/2 in Nominal, MNPT x FNPT End Style, 15 psi Pressure, Bronze Body, Domestic

CBPN:

128143

MPN:

13-213-B-15

Prop 65:

Price:

$212.02 / EA

QTY

Compare

Apollo™ 1420608 14-200 Safety Relief Valve, 2-1/2 in Nominal, Male x Female End Style, 15 psi Pressure, Bronze Body, Domestic

CBPN:

106906

MPN:

14-206-08

Prop 65:

Price:

$1392.16 / EA

QTY

Compare

Apollo™ 16-203-03 16-200, 16-203 Pressure Relief Valve, 3/4 x 1/2 in, Male x Female, 100 psig, Bronze Body

CBPN:

246997

MPN:

16-203-03

Prop 65:

Price:

$48.46 / EA

QTY

Compare

Apollo™ 18C5225150 18C-500 High Capacity Temperature and Pressure Relief Valve, 1 in Nominal, FNPT End Style, 150 psi Pressure, Bronze Body, Domestic

CBPN:

150845

MPN:

18C5225150

Prop 65:

Price:

$599.28 / EA

QTY

Compare

Kunkle 337 Cast Iron Safety Relief Valve, 3 in MNPT x 3 in FNPT Side Outlet, Bronze Disc & Nozzle, Air/Gas Non-Code, 10 psig Set Pressure, Kunkle 0337K01-NE0010

CBPN:

79696

MPN:

0337-K01ANE0010

Price:

$1064.55 / EA

QTY

Compare

Kunkle 537 Bronze Safety Relief Valve, 1 in FNPT x 1-1/4 in FNPT Side Outlet, Bronze Seat with EPDM Insert, Hot Water ASME Section IV, 60 psig Set Pressure, Kunkle 0537E01-HM0060

CBPN:

26270

MPN:

0537-E01-HM0060

Price:

$325.97 / EA

QTY

Compare

Kunkle 537 Cast Iron Safety Relief Valve, 1-1/2 in FNPT x 2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 125 psig Set Pressure, Kunkle 0537G01-HM0125

CBPN:

110367

MPN:

0537-G01-HM0125

Price:

$645.50 / EA

QTY

Compare

Kunkle 548 Bronze Safety Relief Valve, 1/2 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 140 psig Set Pressure, Kunkle 0548C01-KM0140

CBPN:

126437

MPN:

0548-C01-KM0140

Prop 65:

Price:

$99.62 / EA

QTY

Compare

Kunkle 548 Bronze Safety Relief Valve, 1/4 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 150 psig Set Pressure, Kunkle 0548A01-KM0150

CBPN:

26419

MPN:

0548-A01-KM0150

Prop 65:

Price:

$64.10 / EA

QTY

Compare

Kunkle 548 Bronze Safety Relief Valve, 1/4 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 325 psig Set Pressure, Kunkle 0548A01-KM0325

CBPN:

14941

MPN:

0548-A01-KM0325

Prop 65:

Price:

$64.10 / EA

QTY

Compare

Kunkle 6010DC Bronze Safety Relief Valve, 1/2 in MNPT Inlet x 3/4 in FNPT Side Outlet, Bronze/Brass Seat, Steam ASME Section I, 150 psig Set Pressure, Kunkle 6010DCM01-AM0150

CBPN:

1799

MPN:

6010DCM01AAM0150

Prop 65:

Price:

$268.98 / EA

QTY

Compare

Kunkle 6010ED Bronze Safety Relief Valve, 3/4 in MNPT Inlet x 1 in FNPT Side Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 150 psig Set Pressure, Kunkle 6010EDM01-KM0150

CBPN:

173724

MPN:

6010EDM01AKM0150

Prop 65:

Price:

$301.65 / EA

QTY

show:

Pressure Relief Valves

Filter

Apollo™ 1061510 10-600 Safety Relief Valve, 1 x 1-1/4 in Nominal, FNPT End Style, 50 psi Pressure, Bronze Body, Domestic

Apollo™ 1061625 10-600 High Capacity Safety Relief Valve, 1-1/4 x 1-1/2 in Nominal, FNPT End Style, Bronze Body, Domestic

Apollo™ 13202B12 13 Low Pressure Safety Relief Valve, 1 in Nominal, MNPT x FNPT End Style, 12 psi Pressure, Bronze Body, Domestic

Apollo™ 13213B15 13 Low Pressure Safety Relief Valve, 1-1/4 x 1-1/2 in Nominal, MNPT x FNPT End Style, 15 psi Pressure, Bronze Body, Domestic

Apollo™ 1420608 14-200 Safety Relief Valve, 2-1/2 in Nominal, Male x Female End Style, 15 psi Pressure, Bronze Body, Domestic

Apollo™ 16-203-03 16-200, 16-203 Pressure Relief Valve, 3/4 x 1/2 in, Male x Female, 100 psig, Bronze Body

Apollo™ 18C5225150 18C-500 High Capacity Temperature and Pressure Relief Valve, 1 in Nominal, FNPT End Style, 150 psi Pressure, Bronze Body, Domestic

Kunkle 337 Cast Iron Safety Relief Valve, 3 in MNPT x 3 in FNPT Side Outlet, Bronze Disc & Nozzle, Air/Gas Non-Code, 10 psig Set Pressure, Kunkle 0337K01-NE0010

Kunkle 537 Bronze Safety Relief Valve, 1 in FNPT x 1-1/4 in FNPT Side Outlet, Bronze Seat with EPDM Insert, Hot Water ASME Section IV, 60 psig Set Pressure, Kunkle 0537E01-HM0060

Kunkle 537 Cast Iron Safety Relief Valve, 1-1/2 in FNPT x 2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 125 psig Set Pressure, Kunkle 0537G01-HM0125

Kunkle 548 Bronze Safety Relief Valve, 1/2 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 140 psig Set Pressure, Kunkle 0548C01-KM0140

Kunkle 548 Bronze Safety Relief Valve, 1/4 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 150 psig Set Pressure, Kunkle 0548A01-KM0150

Kunkle 548 Bronze Safety Relief Valve, 1/4 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 325 psig Set Pressure, Kunkle 0548A01-KM0325

Kunkle 6010DC Bronze Safety Relief Valve, 1/2 in MNPT Inlet x 3/4 in FNPT Side Outlet, Bronze/Brass Seat, Steam ASME Section I, 150 psig Set Pressure, Kunkle 6010DCM01-AM0150

Kunkle 6010ED Bronze Safety Relief Valve, 3/4 in MNPT Inlet x 1 in FNPT Side Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 150 psig Set Pressure, Kunkle 6010EDM01-KM0150

Apollo™ 1061510 10-600 Safety Relief Valve, 1 x 1-1/4 in Nominal, FNPT End Style, 50 psi Pressure, Bronze Body, Domestic

Apollo™ 1061625 10-600 High Capacity Safety Relief Valve, 1-1/4 x 1-1/2 in Nominal, FNPT End Style, Bronze Body, Domestic

Apollo™ 13202B12 13 Low Pressure Safety Relief Valve, 1 in Nominal, MNPT x FNPT End Style, 12 psi Pressure, Bronze Body, Domestic

Apollo™ 13213B15 13 Low Pressure Safety Relief Valve, 1-1/4 x 1-1/2 in Nominal, MNPT x FNPT End Style, 15 psi Pressure, Bronze Body, Domestic

Apollo™ 1420608 14-200 Safety Relief Valve, 2-1/2 in Nominal, Male x Female End Style, 15 psi Pressure, Bronze Body, Domestic

Apollo™ 16-203-03 16-200, 16-203 Pressure Relief Valve, 3/4 x 1/2 in, Male x Female, 100 psig, Bronze Body

Apollo™ 18C5225150 18C-500 High Capacity Temperature and Pressure Relief Valve, 1 in Nominal, FNPT End Style, 150 psi Pressure, Bronze Body, Domestic

Kunkle 337 Cast Iron Safety Relief Valve, 3 in MNPT x 3 in FNPT Side Outlet, Bronze Disc & Nozzle, Air/Gas Non-Code, 10 psig Set Pressure, Kunkle 0337K01-NE0010

Kunkle 537 Bronze Safety Relief Valve, 1 in FNPT x 1-1/4 in FNPT Side Outlet, Bronze Seat with EPDM Insert, Hot Water ASME Section IV, 60 psig Set Pressure, Kunkle 0537E01-HM0060

Kunkle 537 Cast Iron Safety Relief Valve, 1-1/2 in FNPT x 2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 125 psig Set Pressure, Kunkle 0537G01-HM0125

Kunkle 548 Bronze Safety Relief Valve, 1/2 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 140 psig Set Pressure, Kunkle 0548C01-KM0140

Kunkle 548 Bronze Safety Relief Valve, 1/4 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 150 psig Set Pressure, Kunkle 0548A01-KM0150

Kunkle 548 Bronze Safety Relief Valve, 1/4 in MNPT, SS Ball Seat, Air/Gas ASME Section VIII Service, 325 psig Set Pressure, Kunkle 0548A01-KM0325

Kunkle 6010DC Bronze Safety Relief Valve, 1/2 in MNPT Inlet x 3/4 in FNPT Side Outlet, Bronze/Brass Seat, Steam ASME Section I, 150 psig Set Pressure, Kunkle 6010DCM01-AM0150

Kunkle 6010ED Bronze Safety Relief Valve, 3/4 in MNPT Inlet x 1 in FNPT Side Outlet, Bronze/Brass Seat, Air/Gas ASME Section VIII, 150 psig Set Pressure, Kunkle 6010EDM01-KM0150

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