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    Valves / Pressure Relief Valve

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    CIRCOR INTERNATIONAL M5159N-3M-L

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    M5159N-3M-L

    DISCONTINUED BY MANUFACTURER, RELIEF VALVE, M5100 SERIES, 580-1200 PSIG SET PRESSURE, 3/8 INCH VALVE SIZE, MALE PIPE, LOCK WIRE, RING HANDLE, -40 TO 120 DEGREES C
    ✓ IN STOCK!
    Buy Surplus As Low As £173.56 Price with VAT: £208.27
    £173.56 Price with VAT: £208.27
    CIRCOR INTERNATIONAL D559B-1M-100

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D559B-1M-100

    PRESSURE RELIEF VALVE, PLATED BRASS, 1/8 INCH NPT
    ✓ IN STOCK!
    Buy Surplus As Low As £17.36 Price with VAT: £20.83
    £17.36 Price with VAT: £20.83
    CIRCOR INTERNATIONAL 5120B-8MP-290

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5120B-8MP-290

    RELIEF VALVE INLINE BRASS 1INCH
    ✓ IN STOCK!
    Buy Surplus As Low As £49.60 Price with VAT: £59.52
    £49.60 Price with VAT: £59.52
    CIRCOR INTERNATIONAL 559B-2M-4

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    559B-2M-4

    DISCONTINUED BY MANUFACTURER, RELIEF VALVE, BUNA SEAL, BRASS BODY, 1/4 INCH NPT, 4 PSI
    ✓ IN STOCK!
    Buy Surplus As Low As £5.64 Price with VAT: £6.76
    £5.64 Price with VAT: £6.76
    CIRCOR INTERNATIONAL D559N-2M-100

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D559N-2M-100

    DISCONTINUED BY MANUFACTURER, PRESSURE RELIEF, VALVE, 1/4IN NPT
    ✓ IN STOCK!
    Buy Surplus As Low As £42.11 Price with VAT: £50.54
    £42.11 Price with VAT: £50.54
    CIRCOR INTERNATIONAL CV020B2P-5

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    CV020B2P-5

    CHECK VALVE ASSEMBLY
    ✓ IN STOCK!
    £17.24 Price with VAT: £20.69 Buy Surplus As Low As £8.30 Price with VAT: £9.96
    £8.30 Price with VAT: £9.96
    CIRCOR INTERNATIONAL 5132B-4M-100

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5132B-4M-100

    RELIEF VALVE POPPOFF BRASS VITON 1/2IN 100PSIG
    ✓ IN STOCK!
    £64.72 Price with VAT: £77.66 Buy Surplus As Low As £28.02 Price with VAT: £33.62
    £28.02 Price with VAT: £33.62
    CIRCOR INTERNATIONAL D532B-2M-17

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D532B-2M-17

    PRESSURE RELIEF VALVE ,PLATED BRASS,1/4IN VALVE SIZE,17PSIG,PIPE MALE THREAD
    ✓ IN STOCK!
    £128.74 Price with VAT: £154.48 Buy Surplus As Low As £58.93 Price with VAT: £70.71
    £58.93 Price with VAT: £70.71
    CIRCOR INTERNATIONAL 559B-2M-50

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    559B-2M-50

    DISCONTINUED BY MANUFACTURER, RELIEF VALVE, 1/4 INCH, MALE PIPE THREAD, 50 PSI CRACKING PRESSURE, BRASS, BUNA N, TEMP RATING-65*F TO +275*F
    ✓ IN STOCK!
    Buy Surplus As Low As £26.13 Price with VAT: £31.35
    £26.13 Price with VAT: £31.35
    CIRCOR INTERNATIONAL D520T1-4M-4

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D520T1-4M-4

    DISCONTINUED BY MANUFACTURER, RELIEF VALVE, 1/2 INCH VALVE SIZE, 4 PSI CRACKING PRESSURE, TEFLON SEAL MATERIAL, MALE NPT MALE THREAD
    ✓ IN STOCK!
    Buy Surplus As Low As £31.90 Price with VAT: £38.28
    £31.90 Price with VAT: £38.28
    CIRCOR INTERNATIONAL 562B-2M-0.5

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    562B-2M-0.5

    DISCONTINUED BY MANUFACTURER, RELIEF VALVE, 500 SERIES, ETHYLENE PROPYLENE SEAL MATERIAL, TEMP RANGE -65*F TO +300*F, BRASS, 1/4 INCH VALVE SIZE, 0.5 PSI CRACKING PRESSURE
    ✓ IN STOCK!
    Buy Surplus As Low As £12.62 Price with VAT: £15.15
    £12.62 Price with VAT: £15.15
    CIRCOR INTERNATIONAL M5162N-6M(L)

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    M5162N-6M(L)

    DISCONTINUED BY MANUFACTURER, RELIEF VALVE, 3/4" PIPE, ASME AIR CAP
    ✓ IN STOCK!
    Buy Surplus As Low As £73.68 Price with VAT: £88.41
    £73.68 Price with VAT: £88.41
    CIRCOR INTERNATIONAL 5159B-4MP-260

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5159B-4MP-260

    DISCONTINUED BY MANUFACTURER, RELIEF VALVE, BRASS CONSTRUCTION, BUNA N O-RING MATERIAL
    ✓ IN STOCK!
    Buy Surplus As Low As £89.92 Price with VAT: £107.90
    £89.92 Price with VAT: £107.90
    CIRCOR INTERNATIONAL K5132T1-2MP-1050

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    K5132T1-2MP-1050

    RELIEF VALVE, INILINE MALE PIPE BY FEMALE PIPE, CRYOGENIC SERVICE SPECIAL CLEANING AND TESTING, VITON O-RING, 316 STAINLESS STEEL, 1/4 INCH VALVE SIZE, 1050PSI
    ✓ IN STOCK!
    £176.83 Price with VAT: £212.19 Buy Surplus As Low As £76.86 Price with VAT: £92.23
    £76.86 Price with VAT: £92.23
    CIRCOR INTERNATIONAL 5162T1-2MP-1050

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5162T1-2MP-1050

    INLINE RELIEF VALVE, INLE 1/4 INCH MALE PIPE BY 1/2 INCH FEMALE PIPE, 10-2400 PSIG, 316 SS
    ✓ IN STOCK!
    £88.41 Price with VAT: £106.10 Buy Surplus As Low As £38.67 Price with VAT: £46.41
    £38.67 Price with VAT: £46.41
    CIRCOR INTERNATIONAL 532B-2M-30

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    532B-2M-30

    POPOFF VALVE, 500 SERIES, BRASS BODY MATERIAL, VITON SEAL MATERIAL, 1/4 INCH VALVE SIZE, PIPE THREAD MALE END CONNECTION, 0.5 TO 150 PSIG OPERATING, 30 PSIG CRACKING, 400 PSIG PROOF, 500 PSI ...
    £119.36 Price with VAT: £143.23 Buy Surplus As Low As £72.20 Price with VAT: £86.64
    £72.20 Price with VAT: £86.64
    CIRCOR INTERNATIONAL M-5159N-4M(L)

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    M-5159N-4M(L)

    DISCONTINUED BY MANUFACTURER, VALVE SAFETY RELIEF, 1/2IN PIPE SIZE, 50 TO 1200 PSIG, 3 TO 83 BAR,
    Buy Surplus As Low As £92.83 Price with VAT: £111.40
    £92.83 Price with VAT: £111.40
    CIRCOR INTERNATIONAL M5132T-4M-L-400

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    M5132T-4M-L-400

    VALVE SAFETY RELIEF 0-400PSI
    £274.52 Price with VAT: £329.43 Buy Surplus As Low As £164.71 Price with VAT: £197.66
    £164.71 Price with VAT: £197.66
    Repair Yours £221.03 Price with VAT: £265.24
    CIRCOR INTERNATIONAL 5159T-8MP-400

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5159T-8MP-400

    RELIEF VALVE MALE/FEMALE
    £127.99 Price with VAT: £153.59 Buy Surplus As Low As £77.39 Price with VAT: £92.87
    £77.39 Price with VAT: £92.87
    CIRCOR INTERNATIONAL C-559B-2M-8

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    C-559B-2M-8

    DISCONTINUED BY MANUFACTURER, PRESSURE RELIEF VALVE, BRASS, 1/4 IN, 8PSIG
    Buy Surplus As Low As £30.66 Price with VAT: £36.79
    £30.66 Price with VAT: £36.79
    CIRCOR INTERNATIONAL D559T1-1M

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D559T1-1M

    DISCONTINUED BY MANUFACTURER, PRESSURE RELIEF VALVE POPOFF 1/8IN SS
    Buy Surplus As Low As £28.73 Price with VAT: £34.48
    £28.73 Price with VAT: £34.48
    CIRCOR INTERNATIONAL 5349T-2PP-3600

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5349T-2PP-3600

    PRESSURE RELIEF VALVE 1/4IN FEMALE 3600PSIG SS
    Buy Surplus As Low As £238.71 Price with VAT: £286.46
    £238.71 Price with VAT: £286.46
    Repair Yours £221.03 Price with VAT: £265.24
    CIRCOR INTERNATIONAL 5349T-2PP-3800

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5349T-2PP-3800

    PRESSURE RELIEF VALVE 1/4IN FEMALE 3800PSIG SS
    Buy Surplus As Low As £238.71 Price with VAT: £286.46
    £238.71 Price with VAT: £286.46
    Repair Yours £221.03 Price with VAT: £265.24
    CIRCOR INTERNATIONAL D559T1-4M-50

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D559T1-4M-50

    RELIEF VALVE SS 1/2NPT
    £34.63 Price with VAT: £41.55 Buy Surplus As Low As £21.37 Price with VAT: £25.64
    £21.37 Price with VAT: £25.64
    CIRCOR INTERNATIONAL 5132B-6MP-70

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5132B-6MP-70

    PRESSURE RELIEF VALVE
    £709.51 Price with VAT: £851.41 Buy Surplus As Low As £425.85 Price with VAT: £511.03
    £425.85 Price with VAT: £511.03
    CIRCOR INTERNATIONAL 5159B-2MP-250

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5159B-2MP-250

    RELIEF VALVE, BRASS, BUNA-N,1/4IN, NPT, 250PSI
    £578.02 Price with VAT: £693.62 Buy Surplus As Low As £331.19 Price with VAT: £397.43
    £331.19 Price with VAT: £397.43
    Repair Yours £277.29 Price with VAT: £332.75
    CIRCOR INTERNATIONAL 520T1-4MP-75

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    520T1-4MP-75

    RELIEF VALVE, STAINLESS STEEL, 1/2IN NPT, INLINE, .5-150PSI
    £147.34 Price with VAT: £176.81 Buy Surplus As Low As £75.16 Price with VAT: £90.19
    £75.16 Price with VAT: £90.19
    CIRCOR INTERNATIONAL 532B-4MP-40

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    532B-4MP-40

    PRESSURE RELIEF VALVE, PLATED BRASS, 1/2 INCH VALVE SIZE, 40 PSIG, PIPE MALE/FEMALE THREAD
    £128.20 Price with VAT: £153.84 Buy Surplus As Low As £77.36 Price with VAT: £92.83
    £77.36 Price with VAT: £92.83
    CIRCOR INTERNATIONAL 532B-2MP-10

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    532B-2MP-10

    PRESSURE RELIEF VALVE ,PLATED BRASS,1/4IN VALVE SIZE,0.5-150PSIG,PIPE MALE/FEMALE THREAD
    £43.90 Price with VAT: £52.69 Buy Surplus As Low As £22.32 Price with VAT: £26.79
    £22.32 Price with VAT: £26.79
    CIRCOR INTERNATIONAL CV22-34

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    CV22-34

    CHECK VALVE 250PSI
    £78.10 Price with VAT: £93.72 Buy Surplus As Low As £47.15 Price with VAT: £56.58
    £47.15 Price with VAT: £56.58
    CIRCOR INTERNATIONAL 559B-2MP-100

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    559B-2MP-100

    DISCONTINUED BY MANUFACTURER, PRESSURE RELIEF VALVE BRASS .5-150PSIG 1/4IN NPT
    Buy Surplus As Low As £28.36 Price with VAT: £34.03
    £28.36 Price with VAT: £34.03
    CIRCOR INTERNATIONAL 5133B-1MP-1250

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5133B-1MP-1250

    RELIEF VALVE INLINE 10-2400PSIG 1/8INCH BRASS
    £109.78 Price with VAT: £131.73 Buy Surplus As Low As £66.31 Price with VAT: £79.57
    £66.31 Price with VAT: £79.57
    CIRCOR INTERNATIONAL D559B-6M-60

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D559B-6M-60

    DISCONTINUED BY MANUFACTURER, PRESSURE RELIEF VALVE PLATED BRASS 3/4IN NPT
    £37.58 Price with VAT: £45.09 Buy Surplus As Low As £22.84 Price with VAT: £27.41
    £22.84 Price with VAT: £27.41
    CIRCOR INTERNATIONAL 559B-1M-100

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    559B-1M-100

    VALVE 1/8IN 150PSIG MAX
    £22.10 Price with VAT: £26.52 Buy Surplus As Low As £14.00 Price with VAT: £16.80
    £14.00 Price with VAT: £16.80
    CIRCOR INTERNATIONAL 5159B-3MP-375

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5159B-3MP-375

    RELIEF VALVE
    £34.63 Price with VAT: £41.55 Buy Surplus As Low As £21.37 Price with VAT: £25.64
    £21.37 Price with VAT: £25.64
    Repair Yours £221.03 Price with VAT: £265.24
    CIRCOR INTERNATIONAL 520B-8MP-4

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    520B-8MP-4

    PRESSURE RELIEF VALVE 1-1/4INCH BORE 6/8INCH BORE
    £40.52 Price with VAT: £48.63 Buy Surplus As Low As £20.63 Price with VAT: £24.76
    £20.63 Price with VAT: £24.76
    CIRCOR INTERNATIONAL 5377T-2PP-3150

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5377T-2PP-3150

    PRESSURE RELIEF VALVE
    Buy Surplus As Low As £28.73 Price with VAT: £34.48
    £28.73 Price with VAT: £34.48
    CIRCOR INTERNATIONAL D559T1-2M-100

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D559T1-2M-100

    PRESSURE RELIEF VALVE 1/4IN 100PSIG 316SS
    Buy Surplus As Low As £22.10 Price with VAT: £26.52
    £22.10 Price with VAT: £26.52
    CIRCOR INTERNATIONAL 5159S-8MP-720

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5159S-8MP-720

    RELIEF VALVE
    £74.41 Price with VAT: £89.30 Buy Surplus As Low As £44.94 Price with VAT: £53.93
    £44.94 Price with VAT: £53.93
    CIRCOR INTERNATIONAL 5132B-4M-65

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5132B-4M-65

    AIR RELIEF VALVE BRASS 10-2400PSI 1/2IN MALE PIPE
    £89.89 Price with VAT: £107.86 Buy Surplus As Low As £44.94 Price with VAT: £53.93
    £44.94 Price with VAT: £53.93
    Repair Yours Contact Us
    CIRCOR INTERNATIONAL D559B-6M-E

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D559B-6M-E

    PRESSURE RELIEF VALVE
    Buy Surplus As Low As £39.86 Price with VAT: £47.83
    £39.86 Price with VAT: £47.83
    CIRCOR INTERNATIONAL 532B-2MP-3

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    532B-2MP-3

    DISCONTINUED BY MANUFACTURER, RELIEF VALVE, VITON SEAL MATERIAL, TEMP RANGE -20*F TO +400*F, BRASS, 1/4 INCH VALVE SIZE, MALE/FEMALE THREAD
    Buy Surplus As Low As £23.76 Price with VAT: £28.51
    £23.76 Price with VAT: £28.51
    CIRCOR INTERNATIONAL D559B-4M-3

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D559B-4M-3

    DISCONTINUED BY MANUFACTURER, RELIEF VALVE, 0.5-160 PSIG, 0-10 BAR, PIPE THREAD MALE,
    Buy Surplus As Low As £23.76 Price with VAT: £28.51
    £23.76 Price with VAT: £28.51
    CIRCOR INTERNATIONAL D559B-4M-65

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D559B-4M-65

    POPOFF VALVE, 500 SERIES, WITH DEFLECTOR CAP, BRASS BODY MATERIAL, BUNA N SEAL MATERIAL, 1/2 INCH VALVE SIZE, PIPE THREAD MALE END CONNECTION, 0.5 TO 150 PSIG OPERATING, 65 PSIG CRACKING, 40 ...
    £137.04 Price with VAT: £164.45 Buy Surplus As Low As £82.52 Price with VAT: £99.02
    £82.52 Price with VAT: £99.02
    CIRCOR INTERNATIONAL M5132N-4M(L)-KZ

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    M5132N-4M(L)-KZ

    PRESSURE RELIEF VALVE, VITON SEAL, BRASS ASME
    £1,049.90 Price with VAT: £1,259.88 Buy Surplus As Low As £629.94 Price with VAT: £755.93
    £629.94 Price with VAT: £755.93
    Repair Yours £523.11 Price with VAT: £627.73
    CIRCOR INTERNATIONAL D559T1-2M-E

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D559T1-2M-E

    RELIEF VALVE, BUNA N SEAL, POP OFF, 1/4", 316 SS
    £143.67 Price with VAT: £172.40 Buy Surplus As Low As £86.20 Price with VAT: £103.44
    £86.20 Price with VAT: £103.44
    CIRCOR INTERNATIONAL 5133B-2MP-1500

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    5133B-2MP-1500

    RELIEF VALVE, BRASS, 4-1/4 INCH LENGTH
    £319.39 Price with VAT: £383.27 Buy Surplus As Low As £190.50 Price with VAT: £228.60
    £190.50 Price with VAT: £228.60
    CIRCOR INTERNATIONAL 559B-2M-5

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    559B-2M-5

    DISCONTINUED BY MANUFACTURER, RELIEF VALVE, BUNA SEAL, BRASS BODY, 1/4 INCH NPT, 5 PSI
    Buy Surplus As Low As £19.35 Price with VAT: £23.22
    £19.35 Price with VAT: £23.22
    CIRCOR INTERNATIONAL D559B-1M-110

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    D559B-1M-110

    DISCONTINUED BY MANUFACTURER, POPOFF VALVE, BRASS MATERIAL, 1/8 INCH SIZE, 100 PSIG,10 MAX BAT, MALE NPT
    Buy Surplus As Low As £23.76 Price with VAT: £28.51
    £23.76 Price with VAT: £28.51
    CIRCOR INTERNATIONAL P12-375-3-20

    CIRCOR INTERNATIONAL

    CIRCLE SEAL CONTROLS

    P12-375-3-20

    RELIEF VALVE, 200 SERIES, 6000 PSI
    £170.59 Price with VAT: £204.71 Buy Surplus As Low As £101.95 Price with VAT: £122.34
    £101.95 Price with VAT: £122.34
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