Relief Valves - Page 3 | Raptor Supplies United Kingdom

Relief Valves

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WATTS -

Safety Relief Valve, Bronze

StyleModelSeat MaterialBtuHDisc MaterialSpring MaterialFactory Set PressureInlet SizeOutlet SizeOverall HeightPrice (inc. VAT)
A1 1/4 174A-150Bronze6,340,000SiliconeStainless Steel150 psi1.25"1.25"8.375"£678.06
A1 1/4 174A-125Bronze5,370,000SiliconeStainless Steel125 psi1.25"1.25"8.375"£768.48
A1 174A-050Bronze1,470,000SiliconeStainless Steel50 psi1"1"5.75"£432.03
B3/4 174A-150Bronze2,445,000SiliconeStainless Steel150 psi3/4"3/4"5.125"£164.05
B3/4 174A-125Bronze2,070,000SiliconeStainless Steel125 psi3/4"3/4"5.125"£168.91
B3/4 174A-100Bronze1,695,000SiliconeStainless Steel100 psi3/4"3/4"5.125"£168.86
B3/4 174A-050Bronze950,000SiliconeStainless Steel50 psi3/4"3/4"5.125"£158.64
A1 1/4 174A-075Bronze3,429,000SiliconeStainless Steel75 psi1.25"1.25"8.375"£718.74
B2 174A-150Bronze14,370,000SiliconeStainless Steel150 psi2"2"11.625"£1,308.10
B2 174A-125Bronze12,170,000SiliconeStainless Steel125 psi2"2"11.625"£1,610.57
B2 174A-100Bronze9,970,000SiliconeStainless Steel100 psi2"2"11.625"£1,610.57
B2 174A-075Bronze7,770,000SiliconeStainless Steel75 psi2"2"11.625"£1,384.22
A1 1/2 174A-150Bronze7,630,000SiliconeStainless Steel150 psi1.5"1.5"9"£1,134.78
B3/4 174A-075Bronze1,320,000SiliconeStainless Steel75 psi3/4"3/4"5.125"£168.44
C2 174A-050Bronze5,575,000SiliconeStainless Steel50 psi2"2"11.625"£1,384.22
A1 1/4 174A-100Bronze4,399,000SiliconeStainless Steel100 psi1.25"1.25"8.375"£745.87
D1 174A-150Bronze3,795,000SiliconeStainless Steel150 psi1"1"5.75"£433.42
E1 174A 100Metal2,635,000NonmetallicStainless Steel100 psi1"1"5.75"£326.92
F2 174 AMetal3,815,000Buna-NBrass30 psi2"2"11.625"£1,178.49
E1 174A 75Metal2,055,000NonmetallicStainless Steel75 psi1"1"5.75"£402.09
F11/4 174 AMetal1,682,000Buna-NBrass30 psi1.25"1.25"8.375"£530.47
G174 A-3/4"Metal650,000NonmetallicStainless Steel30 psi3/4"3/4"5.125"£100.30
E1 174A 125Metal3,215,000NonmetallicStainless Steel125 psi1"1"5.75"£325.03
StyleModelInlet SizeOutlet SizeOverall HeightOverall LengthPrice (inc. VAT)
ARVD050V-PP1/2"1/2"5 13/16"2.375"£375.92
ARVD025V-PP1/4"1/4"5.125"2"£353.37
StyleModelInlet SizePrice (inc. VAT)
ARV2N-LF1/2"£14.58
ARV3NLF3/4"£16.28
StyleModelInlet SizePrice (inc. VAT)
A1/2 LF 530-C STD1/2"£87.62
A3/4 LF 530-C STD3/4"£95.72
StyleModelFactory Set PressureInlet SizeInlet TypeOutlet SizeOutlet TypeOverall HeightOverall LengthPrice (inc. VAT)
A0019-G10-MG005050 psi1.5"FNPT1.5"MNPT8.63"4.25"£796.85
A0019-J10-MG005050 psi2.5"FNPT2.5"MNPT11.125"6"£1,785.99
A0019-K10-MG005050 psi3"FNPT3"MNPT12.25"7.5"£2,917.04
A0019-H10-MG005050 psi2"FNPT2"MNPT10.625"5.25"£1,165.36
A0019-F10-MG005050 psi1.25"FNPT1.25"MNPT8.125"4"£639.86
A0019-E10-MG005050 psi1"FNPT1"MNPT7.13"3.125"£510.26
A0019-C10-MG005050 psi1/2"FNPT3/4"MNPT6.125"3"£464.15
A0019-D10-MG005050 psi3/4"FNPT3/4"MNPT6.125"3"£448.47
A0019-J11-MG0100100 psi2.5"FNPT2.5"MNPT11.125"6"£1,785.99
A0019-D11-MG0100100 psi3/4"FNPT3/4"MNPT6.125"3"£464.15
A0019-F11-MG0100100 psi1.25"FNPT1.25"MNPT8.125"4"£657.01
A0019-E11-MG0100100 psi1"FNPT1"MNPT7.13"3.125"£531.40
A0019-C11-MG0100100 psi1/2"FNPT3/4"MNPT6.125"3"£425.49
A0019-H11-MG0100100 psi2"FNPT2"MNPT10.625"5.25"£1,165.36
A0019-G11-MG0100100 psi1.5"FNPT1.5"MNPT8.63"4.25"£766.19
A0019-K11-MG0100100 psi3"FNPT3"MNPT12.25"7.5"£2,917.04
A0019-C12-MG0225225 psi1/2"FNPT3/4"MNPT6.125"3"£425.49
A0019-G12-MG0225225 psi1.5"FNPT1.5"MNPT8.63"4.25"£766.19
A0019-H12-MG0225225 psi2"FNPT2"MNPT10.625"5.25"£1,153.28
A0019-D12-MG0225225 psi3/4"FNPT3/4"MNPT6.125"3"£441.28
A0019-K12-MG0225225 psi3"MNPT3"FNPT12.25"7.5"£2,917.04
A0019-F12-MG00225225 psi1.25"FNPT1.25"MNPT8.125"4"£659.96
A0019-J12-MG0225225 psi2.5"FNPT2.5"MNPT11.125"6"£1,785.99
A0019-E12-MG0225225 psi1"FNPT1"MNPT7.13"3.125"£495.93
StyleModelSeat MaterialDisc MaterialFactory Set PressureTemp. RangeInlet SizeOutlet SizeOverall HeightOverall LengthPrice (inc. VAT)
A8344-0200BronzeMetal200 psi40 Degrees to 450 Degrees F3/4"3/4"7"3.25"£739.02
A11840-0050MCBronzeMetal50 psi40 Degrees to 450 Degrees F3/8"3/8"5.25"2.5"£506.37
AK10AWA01-E4BronzeMetal200 psi40 Degrees to 450 Degrees F1/4"1/4"5.25"2.5"£492.73
A11835-0050MCBronzeMetal50 psi40 Degrees to 450 Degrees F1/4"1/4"5.25"2.5"£528.81
AK10AWA01-E5BronzeMetal400 psi40 Degrees to 450 Degrees F1/4"1/4"5.25"2.5"£486.71
A11840-0400BronzeMetal400 psi40 Degrees to 450 Degrees F3/8"3/8"5.25"2.5"£492.73
AK15AWA01-E4BronzeStainless Steel500 psi-20 Degrees to 400 Degrees F1/4"1/4"5.25"1.25"£812.08
A11840-0100MCBronzeMetal100 psi40 Degrees to 450 Degrees F3/8"3/8"5.25"2.5"£492.73
A11840-0200BronzeMetal200 psi40 Degrees to 450 Degrees F3/8"3/8"5.25"2.5"£506.37
AK15BWA01-E5BronzeStainless Steel1000 psi-20 Degrees to 400 Degrees F3/8"3/8"5.25"1.25"£814.69
A8344-0400BronzeMetal400 psi40 Degrees to 450 Degrees F3/4"3/4"7"3.25"£739.02
A8375-0200BronzeMetal200 psi40 Degrees to 450 Degrees F1.25"1.25"9.75"4.5"£1,476.68
A8375-0050BronzeMetal50 psi40 Degrees to 450 Degrees F1.25"1.25"9.75"4.5"£1,502.57
A8342-0200BronzeMetal200 psi40 Degrees to 450 Degrees F1/2"1/2"7"3.25"£739.02
A8374-0050BronzeMetal50 psi40 Degrees to 450 Degrees F1"1"9.75"4.5"£1,502.57
AK15DWA01-E4BronzeStainless Steel1000 psi-20 Degrees to 400 Degrees F3/4"3/4"7"1.625"£1,062.42
AK15BWA01-E4BronzeStainless Steel500 psi-20 Degrees to 400 Degrees F3/8"3/8"5.25"1.25"£812.59
A8374-0200BronzeMetal200 psi40 Degrees to 450 Degrees F1"1"9.75"4.5"£1,476.68
A8344-0050BronzeMetal50 psi40 Degrees to 450 Degrees F3/4"3/4"7"3.25"£739.02
A8375-0400BronzeMetal400 psi40 Degrees to 450 Degrees F1.25"1.25"9.75"4.5"£1,476.68
A8375-0100BronzeMetal100 psi40 Degrees to 450 Degrees F1.25"1.25"9.75"4.5"£1,476.68
A8344-0100BronzeMetal100 psi40 Degrees to 450 Degrees F3/4"3/4"7"3.25"£739.32
AK10AWA01-E3BronzeMetal75 psi40 Degrees to 450 Degrees F1/4"1/4"5.25"2.5"£486.71
A8342-0400BronzeMetal400 psi40 Degrees to 450 Degrees F1/2"1/2"7"3.25"£730.03
AK15CWA01-E4BronzeStainless Steel1000 psi-20 Degrees to 400 Degrees F1/2"1/2"7"1.625"£1,060.43
AQUATROL SAFETY VALVES -

88 Series Bronze Safety Relief Valve

StyleModelFactory Set PressureInlet SizeOutlet SizeOverall HeightPrice (inc. VAT)
A88A2-1515 psi1/2"3/4"6.5"£196.97
A88C2-1515 psi1"1.25"7.5"£235.88
A88F2-1515 psi2"2.5"11.125"£542.26
A88B2-1515 psi3/4"1"6.875"£212.82
A88E2-1515 psi1.5"2"9.75"£355.21
A88D2-1515 psi1.25"1.5"8.5"£320.56
A88B2-2525 psi3/4"1"6.875"£212.82
A88E2-2525 psi1.5"2"9.75"£355.21
A88C2-2525 psi1"1.25"7.5"£235.88
A88A2-2525 psi1/2"3/4"6.5"£196.97
A88F2-2525 psi2"2.5"11.125"£542.26
A88A2-5050 psi1/2"3/4"6.5"£196.97
A88C2-5050 psi1"1.25"7.5"£235.88
A88F2-5050 psi2"2.5"11.125"£542.26
A88B2-5050 psi3/4"1"6.875"£212.82
A88D2-5050 psi1.25"1.5"8.5"£320.56
A88E2-5050 psi1.5"2"9.75"£355.21
A88B2-7575 psi3/4"1"6.875"£212.82
A88D2-7575 psi1.25"1.5"8.5"£320.56
A88F2-7575 psi2"2.5"11.125"£542.26
A88C2-7575 psi1"1.25"7.5"£235.88
A88E2-7575 psi1.5"2"9.75"£355.21
A88A2-7575 psi1/2"3/4"6.5"£196.97
A88F2-100100 psi2"2.5"11.125"£542.26
A88C2-100100 psi1"1.25"7.5"£235.88
CASH ACME -

Safety Relief Valve 150 psi, Bronze

StyleModelItemOverall HeightPrice (inc. VAT)
AFWL-2Pressure Only Relief Valve3"£19.87
BFWL-2Safety Relief Valve3.375£32.20
AQUATROL SAFETY VALVES -

69 Series Bronze Adjustable Relief Valve

Aquatrol 69 Series relief valves (field-adjustable) are used for controlling or limiting the system pressure to protect pumps, tanks, hydraulic equipment and pipelines. These units feature a bronze body with excellent ductility and corrosion resistance and manual adjustment of the relief pressure set-point by changing the force exerted by the stainless-steel spring. They come equipped with a hex cap for shielding the complete assembly and dual-lapped metal seating for eliminating leakages. Choose from an extensive range of these safety relief valves available in factory set pressures ranging between 15 & 300 psi on Raptor Supplies.

StyleModelOverall HeightDisc MaterialFactory Set PressurePressure RangeSeat MaterialInlet SizeInlet TypeItemPrice (inc. VAT)
A69A1A9M3U1-------Relief Valve£623.19
RFQ
B69A1-1505.875"Bronze150 psi126 to 150 psiBronze1/2"MNPTAdjustable Relief Valve£184.45
B69A1S-6005.875"316 Stainless Steel600 psi401 to 600 psi316 Stainless Steel1/2"MNPTAdjustable Relief Valve£307.13
B69A1-155.875"Bronze15 psi0 to 15 psiBronze1/2"MNPTAdjustable Relief Valve£184.45
B69A1S-4005.875"316 Stainless Steel400 psi301 to 400 psi316 Stainless Steel1/2"MNPTAdjustable Relief Valve£307.13
B69A1S-505.875"Bronze50 psi0 to 50 psi316 Stainless Steel1/2"MNPTAdjustable Relief Valve£307.13
B69A1S-2505.875"316 Stainless Steel250 psi201 to 250 psi316 Stainless Steel1/2"MNPTAdjustable Relief Valve£307.13
B69A1S-1505.875"316 Stainless Steel150 psi101 to 150 psi316 Stainless Steel1/2"MNPTAdjustable Relief Valve£307.13
B69A1-305.875"Bronze30 psi16 to 30 psiBronze1/2"MNPTAdjustable Relief Valve£184.45
B69A1-505.875"Bronze50 psi31 to 50 psiBronze1/2"MNPTAdjustable Relief Valve£184.45
B69A1-1005.875"Bronze100 psi76 to 100 psiBronze1/2"MNPTAdjustable Relief Valve£184.45
B69A1-755.875"Bronze75 psi51 to 75 psiBronze1/2"MNPTAdjustable Relief Valve£184.45
B69A1S-3005.875"316 Stainless Steel300 psi251 to 300 psi316 Stainless Steel1/2"MNPTAdjustable Relief Valve£307.13
B69A1S-1005.875"316 Stainless Steel100 psi51 to 100 psi316 Stainless Steel1/2"MNPTAdjustable Relief Valve£307.13
B69A1-1255.875"Bronze125 psi101 to 125 psiBronze1/2"MNPTAdjustable Relief Valve£184.45
B69A1-2005.875"Bronze200 psi151 to 200 psiBronze1/2"MNPTAdjustable Relief Valve£184.45
B69A1-2505.875"Bronze250 psi201 to 250 psiBronze1/2"MNPTAdjustable Relief Valve£184.45
B69A1-3005.875"Bronze300 psi251 to 300 psiBronze1/2"MNPTAdjustable Relief Valve£184.45
B69A1S-2005.875"316 Stainless Steel200 psi151 to 200 psi316 Stainless Steel1/2"MNPTAdjustable Relief Valve£307.13
B69B1-156"Bronze15 psi0 to 15 psiBronze3/4"MNPTAdjustable Relief Valve£192.43
B69B1-2006"Bronze200 psi151 to 200 psiBronze3/4"MNPTAdjustable Relief Valve£192.43
B69B1-2506"Bronze250 psi201 to 250 psiBronze3/4"MNPTAdjustable Relief Valve£192.43
B69B1-1006"Bronze100 psi76 to 100 psiBronze3/4"MNPTAdjustable Relief Valve£192.43
B69B1-506"Bronze50 psi31 to 50 psiBronze3/4"MNPTAdjustable Relief Valve£192.43
B69B1S-2006"316 Stainless Steel200 psi151 to 200 psi316 Stainless Steel3/4"MNPTAdjustable Relief Valve£358.40
CASH ACME -

Brass Safety Relief Valves

StyleModelInlet TypeOutlet TypeOverall HeightOverall LengthPrice (inc. VAT)
AF-30FNPTMNPT1.5"4.75"£41.12
BF-30MNPTFNPT3.3753.375£44.25
StyleModelInlet SizePrice (inc. VAT)
ACVR11"£234.07
ACVR501/2"£36.34
RFQ
ACVR251/4"£10.45
RFQ
ACVR25-1/81/8"£13.74
RFQ
ACVR753/4"£36.34
RFQ
ACVR383/8"£25.46
WATTS -

Bronze Steam Safety Relief Valves

StyleModelComplianceInlet SizeOutlet SizeOverall HeightOverall LengthSeat MaterialPrice (inc. VAT)
A0006275NB, ASME3/4"3/4"2.75"2.125"Bronze£129.38
B0006276NB, ASME and HV3/4"3/4"2 13/16"2.375"Metal£186.86
B0006277NB, ASME and HV1"1"3.125"2.375"Metal£209.71
WATTS -

Vacuum Relief Valves

StyleModelSpring MaterialBody MaterialInlet SizeInlet TypeMax. Temp.Max. Working PressureOutlet SizePressure RangePrice (inc. VAT)
ALFN36M1 1/2-Lead Free Brass1/2"Male Threaded250° F15 PSI--£97.23
AN360-Z1-Brass3/4"Male Threaded250° F200 PSI3/4"-£118.38
B1/2 LF N36302 Stainless SteelLead-Free Brass1/2"MNPT--1/2"Up to 15 psi Steam/Up to 200 psi Water£73.82
CLFN36-M1-3/4"Stainless SteelLead Free Brass3/4"Male Threaded250 Degree F-3/4"0 to 200 psi£76.67
PLAST-O-MATIC -

RVD Series Single Diaphragm PVC Relief Valves

StyleModelInlet SizeOutlet SizeOverall HeightOverall LengthPrice (inc. VAT)
ARVD050V-PV1/2"1/2"5 13/16"2.375"£304.54
BRVD025V-PV1/4"1/4"5.125"2"£276.54
StyleModelPrice (inc. VAT)
A0019-K11-MG£2,143.54
RFQ
A0019-F04-MG£1,383.82
RFQ
A0019-H10-MG£793.61
RFQ
A0019-E11-MG£340.74
RFQ
A0019-C10-MG£294.67
RFQ
A0019-C01-MG£294.67
RFQ
A0019-C02-MG£294.67
RFQ
A0019-C04-MG£944.86
RFQ
A0019-D05-MG£294.67
RFQ
A0019-D06-MG£294.67
RFQ
A0019-E01-MG£340.74
RFQ
A0019-F11-MG£427.66
RFQ
A0019-D10-MG£294.67
RFQ
A0019-G02-MG£526.76
RFQ
A0019-G11-MG£526.76
RFQ
A0019-G03-MG£1,439.46
RFQ
A0019-J10-MG£1,259.52
RFQ
A0019-C12-MG£294.67
RFQ
A0019-C03-MG£294.67
RFQ
A0019-G12-MG£526.76
RFQ
A0019-J11-MG£1,259.52
RFQ
A0019-J12-MG£1,259.52
RFQ
A0019-C11-MG£294.67
RFQ
A0019-E02-MG£340.74
RFQ
A0019-E03-MG£814.47
RFQ
StyleModelPrice (inc. VAT)
A40RL-D01-PE£908.71
RFQ
A40RL-C01-PE£908.71
RFQ
StyleModelPrice (inc. VAT)
A0265-D01-MF£1,432.43
RFQ
A0265-D02-LF£1,432.43
RFQ
A0265-E01-LF£1,432.43
RFQ
A0265-E03-KF£1,432.43
RFQ
A0265-E01-MF£1,432.43
RFQ
A0265-C01-KF£1,432.43
RFQ
A0265-D02-MF£1,432.43
RFQ
A0265-C03-MF£1,432.43
RFQ
A0265-E03-LF£1,432.43
RFQ
A0265-D02-PF£1,432.43
RFQ
A0265-C02-KF£1,432.43
RFQ
A0265-D01-LF£1,432.43
RFQ
A0265-D01-MF0650£1,432.43
RFQ
A0265-D01-KF£1,432.43
RFQ
A0265-C02-PF£1,432.43
RFQ
A0265-C01-LF£1,432.43
RFQ
A0265-D04-KF£1,389.87
RFQ
A0265-E01-MF0650£1,432.43
RFQ
A0265-D03-LF£1,432.43
RFQ
A0265-E01-KF£1,432.43
RFQ
A0265-D02-KF£1,432.43
RFQ
A0265-C01-PF£1,432.43
RFQ
A0265-D01-PF£1,432.43
RFQ
A0265-C01-MF£1,432.43
RFQ
StyleModelPrice (inc. VAT)
A0267-E03-MF£1,945.82
RFQ
A0267-C01-KF£1,945.82
RFQ
A0267-D01-KF£1,945.82
RFQ
A0267-E01-KF£1,945.82
RFQ
A0267-E01-PF£1,945.82
RFQ
A0267-C01-PF£1,945.82
RFQ
A0267-E01-MF£1,945.82
RFQ
A0267-D03-MF£1,945.82
RFQ
A0267-C01-LF£1,945.82
RFQ
A0267-D02-PF£1,945.82
RFQ
A0267-C01-MF£1,945.82
RFQ
A0267-C03-MF£1,945.82
RFQ
A0267-D01-MF£1,945.82
RFQ
StyleModelPrice (inc. VAT)
A0537-E01-HM0060£336.18
RFQ
A0537-H01-HM0125£878.58
RFQ
A0537-H01-HM£878.58
RFQ
A0537-G01-HM£646.93
RFQ
A0537-E01-HM£336.18
RFQ
A0537-G01-HM0060£646.93
RFQ
A0537-E01-HM0090£336.18
RFQ
A0537-H01-HM0015£878.58
RFQ
A0537-H01-HM0036£878.58
RFQ
A0537-E01-HM0125£336.18
RFQ
A0537-G01-HM0100£646.93
RFQ
A0537-G01-HM0030£646.93
RFQ
A0537-E01-HM0030£336.18
RFQ
A0537-E01-HM0160£336.18
RFQ
A0537-G01-HM0160£646.93
RFQ
A0537-H01-HM0110£878.58
RFQ
A0537-D01AHM£322.05
RFQ
A0537-E01-HM0045£336.18
RFQ
A0537-H01-HM0060£878.58
RFQ
A0537-H01-HM0030£878.58
RFQ
A0537-G01-HM0125£646.93
RFQ
A0537-H01-HM0130£878.58
RFQ
StyleModelPrice (inc. VAT)
A389P-C01-NH£4,784.64
RFQ
A389C-C01-KH£4,386.31
RFQ
A389C-D01-NH£4,386.31
RFQ
A389C-D01-KH£4,386.31
RFQ
A389P-D01-KH£4,784.64
RFQ
A389P-C01-KH£4,784.64
RFQ
A389P-D01-NH£4,784.64
RFQ
A389C-C01-NH£4,386.31
RFQ
StyleModelPrice (inc. VAT)
A910BDCM36AKE£1,709.79
RFQ
A910JJHM03APE£7,285.07
RFQ
A910BEDM01ANE£1,415.12
RFQ
A910JHGM06AJF£5,957.75
RFQ
A910BEDM01AQE£1,415.12
RFQ
A910JJHM01AKF£7,620.60
RFQ
A910JJHM01AQE£7,078.19
RFQ
A910JJHM01AJE£7,078.19
RFQ
A910JJHM01AJF£7,620.60
RFQ
A910JHGM04ALE£5,039.83
RFQ
A910JJHM06AKE£7,856.16
RFQ
A910LDDM03AKE£2,577.29
RFQ
A910LDCM01AKE£2,285.22
RFQ
A910JJHM01AKE£7,078.19
RFQ
A910LDCM03ALF£2,678.99
RFQ
A910LEDM01AKE£2,796.33
RFQ
A910JJHM06AJE£7,856.16
RFQ
A910JHGM06AJE£5,464.02
RFQ
A910BEDM01ALE£1,415.12
RFQ
A910LDCM01AJE£2,285.22
RFQ
A910JEDM06AJF£3,454.35
RFQ
A910BDDM06AJF£2,081.82
RFQ
A910JDCM06AJE£2,585.98
RFQ
A910BDDM06AKE£1,756.73
RFQ
A910JEDM01AJF£3,064.93
RFQ
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Relief Valves

Pressure relief valves are designed to control or release built-up pressure in the system which may otherwise damage pipelines and equipment. Raptor Supplies offers a wide range of relief valves including shut off, safety, drain & pressure valves from Apollo, Watts, Parker, Milton Industries, Hayward, Oil Safe, Campbell & more. Apollo safety relief valves are designed according to ASME Section IV standards for the protection of steam boilers. These bronze constructed valves feature metal to metal, PCTFE or elastomer O-ring seating, thereby having a wide pressure and temperature range. They are capable of withstanding a maximum pressure of 1200 PSI and are available in inlet sizes ranging from 1/2 to 3 inches. Watts adjustable relief valves are designed to release pressure (up to 200 PSI) when the set internal pressure is encountered in systems containing air, oil or water. Watts 1450F Series combination fill and relief valves feature a silicone disc to provide positive seating and leakproof operation. These valves are available in bronze, brass, iron, lead free bronze and lead free brass variants.

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