Kunkle Pressure Relief Valves

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: 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)
Kunkle Model 548 Safety Relief Valves (58)
Kunkle Model 6010 Safety Relief Valves (186)
Kunkle Model 6021 Safety Relief Valves (29)
Kunkle Model 6182 Safety Relief Valves (52)
Kunkle Model 6252 Safety Relief Valves (47)
Kunkle Model 6283 Safety Relief Valves (28)
: 1/2 in (58)
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 x 3/4 in (27)
3/4 in x 1 in (42)
3/4 in x 1-1/4 in (4)
3/4 in x Top Outlet (6)
1 in x 1 in (22)
1 in x 1-1/4 in (44)
: ANSI 250 Flanged x ANSI 125 Flanged (9)
ANSI 250 Flanged x FNPT (27)
FNPT x FNPT (61)
MNPT (58)
MNPT x FNPT (373)
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 (4)
8 psig (2)
9 psig (2)
10 psig (6)
11 psig (3)
12 psig (2)
14 psig (2)
15 psig (39)
16 psig (2)
18 psig (2)
: Brass (58)
Bronze (406)
Cast Iron (116)
: 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)
EPR O-Ring (10)
SS Ball Seat (58)
Stainless Trim w/EPDM O-Ring (47)
Teflon Disc (29)

581 items

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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, 100 psig Set Pressure, Kunkle 0537G01-HM0100

CBPN:

242290

MPN:

0537-G01-HM0100

Price:

$626.02 / EA

QTY

Price:

$626.02 / 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, 130 psig Set Pressure, Kunkle 0537G01-HM0130

CBPN:

281613

MPN:

0537-G01-HM0130

Price:

$626.02 / EA

QTY

Price:

$626.02 / 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, 150 psig Set Pressure, Kunkle 0537G01-HM0150

CBPN:

78372

MPN:

0537-G01-HM0150

Price:

$626.02 / EA

QTY

Price:

$626.02 / 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, 160 psig Set Pressure, Kunkle 0537G01-HM0160

CBPN:

281614

MPN:

0537-G01-HM0160

Price:

$626.02 / EA

QTY

Price:

$626.02 / 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, 30 psig Set Pressure, Kunkle 0537G01-HM0030

CBPN:

169734

MPN:

0537-G01-HM0030

Price:

$626.02 / EA

QTY

Price:

$626.02 / 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, 35 psig Set Pressure, Kunkle 0537G01-HM0035

CBPN:

272850

MPN:

0537-G01-HM0035

Price:

$626.02 / EA

QTY

Price:

$626.02 / 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, 40 psig Set Pressure, Kunkle 0537G01-HM0040

CBPN:

281611

MPN:

0537-G01-HM0040

Price:

$626.02 / EA

QTY

Price:

$626.02 / 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, 45 psig Set Pressure, Kunkle 0537G01-HM0045

CBPN:

269101

MPN:

0537-G01-HM0045

Price:

$626.02 / EA

QTY

Price:

$626.02 / 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, 50 psig Set Pressure, Kunkle 0537G01-HM0050

CBPN:

206516

MPN:

0537-G01-HM0050

Price:

$626.02 / EA

QTY

Price:

$626.02 / 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, 60 psig Set Pressure, Kunkle 0537G01-HM0060

CBPN:

281612

MPN:

0537-G01-HM0060

Price:

$626.02 / EA

QTY

Price:

$626.02 / 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, 75 psig Set Pressure, Kunkle 0537G01-HM0075

CBPN:

82606

MPN:

0537-G01-HM0075

Price:

$626.02 / EA

QTY

Price:

$626.02 / EA

QTY

Compare

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 100 psig Set Pressure, Kunkle 0537H01-HM0100

CBPN:

108785

MPN:

0537-H01-HM0100

Price:

$850.84 / EA

QTY

Price:

$850.84 / EA

QTY

Compare

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 125 psig Set Pressure, Kunkle 0537H01-HM0125

CBPN:

281621

MPN:

0537-H01-HM0125

Price:

$850.84 / EA

QTY

Price:

$850.84 / EA

QTY

Compare

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 130 psig Set Pressure, Kunkle 0537H01-HM0130

CBPN:

115681

MPN:

0537-H01-HM0130

Price:

$850.84 / EA

QTY

Price:

$850.84 / EA

QTY

Compare

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 150 psig Set Pressure, Kunkle 0537H01-HM0150

CBPN:

210511

MPN:

0537-H01-HM0150

Price:

$850.84 / EA

QTY

Price:

$850.84 / 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, 100 psig Set Pressure, Kunkle 0537G01-HM0100

CBPN:

242290

MPN:

0537-G01-HM0100

Price:

$626.02 / 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, 130 psig Set Pressure, Kunkle 0537G01-HM0130

CBPN:

281613

MPN:

0537-G01-HM0130

Price:

$626.02 / 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, 150 psig Set Pressure, Kunkle 0537G01-HM0150

CBPN:

78372

MPN:

0537-G01-HM0150

Price:

$626.02 / 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, 160 psig Set Pressure, Kunkle 0537G01-HM0160

CBPN:

281614

MPN:

0537-G01-HM0160

Price:

$626.02 / 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, 30 psig Set Pressure, Kunkle 0537G01-HM0030

CBPN:

169734

MPN:

0537-G01-HM0030

Price:

$626.02 / 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, 35 psig Set Pressure, Kunkle 0537G01-HM0035

CBPN:

272850

MPN:

0537-G01-HM0035

Price:

$626.02 / 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, 40 psig Set Pressure, Kunkle 0537G01-HM0040

CBPN:

281611

MPN:

0537-G01-HM0040

Price:

$626.02 / 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, 45 psig Set Pressure, Kunkle 0537G01-HM0045

CBPN:

269101

MPN:

0537-G01-HM0045

Price:

$626.02 / 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, 50 psig Set Pressure, Kunkle 0537G01-HM0050

CBPN:

206516

MPN:

0537-G01-HM0050

Price:

$626.02 / 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, 60 psig Set Pressure, Kunkle 0537G01-HM0060

CBPN:

281612

MPN:

0537-G01-HM0060

Price:

$626.02 / 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, 75 psig Set Pressure, Kunkle 0537G01-HM0075

CBPN:

82606

MPN:

0537-G01-HM0075

Price:

$626.02 / EA

QTY

Compare

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 100 psig Set Pressure, Kunkle 0537H01-HM0100

CBPN:

108785

MPN:

0537-H01-HM0100

Price:

$850.84 / EA

QTY

Compare

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 125 psig Set Pressure, Kunkle 0537H01-HM0125

CBPN:

281621

MPN:

0537-H01-HM0125

Price:

$850.84 / EA

QTY

Compare

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 130 psig Set Pressure, Kunkle 0537H01-HM0130

CBPN:

115681

MPN:

0537-H01-HM0130

Price:

$850.84 / EA

QTY

Compare

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 150 psig Set Pressure, Kunkle 0537H01-HM0150

CBPN:

210511

MPN:

0537-H01-HM0150

Price:

$850.84 / EA

QTY

show:

Kunkle Pressure Relief Valves

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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, 100 psig Set Pressure, Kunkle 0537G01-HM0100

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, 130 psig Set Pressure, Kunkle 0537G01-HM0130

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, 150 psig Set Pressure, Kunkle 0537G01-HM0150

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, 160 psig Set Pressure, Kunkle 0537G01-HM0160

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, 30 psig Set Pressure, Kunkle 0537G01-HM0030

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, 35 psig Set Pressure, Kunkle 0537G01-HM0035

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, 40 psig Set Pressure, Kunkle 0537G01-HM0040

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, 45 psig Set Pressure, Kunkle 0537G01-HM0045

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, 50 psig Set Pressure, Kunkle 0537G01-HM0050

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, 60 psig Set Pressure, Kunkle 0537G01-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, 75 psig Set Pressure, Kunkle 0537G01-HM0075

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 100 psig Set Pressure, Kunkle 0537H01-HM0100

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 125 psig Set Pressure, Kunkle 0537H01-HM0125

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 130 psig Set Pressure, Kunkle 0537H01-HM0130

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 150 psig Set Pressure, Kunkle 0537H01-HM0150

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, 100 psig Set Pressure, Kunkle 0537G01-HM0100

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, 130 psig Set Pressure, Kunkle 0537G01-HM0130

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, 150 psig Set Pressure, Kunkle 0537G01-HM0150

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, 160 psig Set Pressure, Kunkle 0537G01-HM0160

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, 30 psig Set Pressure, Kunkle 0537G01-HM0030

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, 35 psig Set Pressure, Kunkle 0537G01-HM0035

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, 40 psig Set Pressure, Kunkle 0537G01-HM0040

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, 45 psig Set Pressure, Kunkle 0537G01-HM0045

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, 50 psig Set Pressure, Kunkle 0537G01-HM0050

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, 60 psig Set Pressure, Kunkle 0537G01-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, 75 psig Set Pressure, Kunkle 0537G01-HM0075

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 100 psig Set Pressure, Kunkle 0537H01-HM0100

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 125 psig Set Pressure, Kunkle 0537H01-HM0125

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 130 psig Set Pressure, Kunkle 0537H01-HM0130

Kunkle 537 Cast Iron Safety Relief Valve, 2 in FNPT x 2-1/2 in FNPT Side Outlet, Bronze Seat with EPDM Insert & NBR O-Ring, Hot Water ASME Section IV, 150 psig Set Pressure, Kunkle 0537H01-HM0150

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