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AQUATROL SAFETY VALVES -

740 Series Brass/Bronze/Stainless Steel Safety Relief Valve

Aquatrol 740 Series safety relief valves are designed to open when the pressure exceeds the stress limits and prevent pumps and pipelines from fire accidents or system failure. These units feature a brass / bronze body for strength, ductility, malleability and corrosion resistance and a full-nozzle design flanged to the pressurised system. They are further integrated with a stainless-steel disc for enhancing seating tightness and preventing flow under ambient operating conditions, and an adjustable nozzle ring for controlling the fluid exit. They meet ASME Section VIII standards and are ideal for air / gas, liquid and steam applications. Choose from a wide range of these safety relief valves available in factory set pressures ranging from 15 to 300 psi on Raptor Supplies.

StyleModelFactory Set PressureInlet SizeOutlet SizeOverall HeightOverall LengthTest LeverPrice (inc. VAT)
A740EF-M2L-1515 psi1"1.25"8.125"8.125"No£324.61
A740DF-M2L-1515 psi3/4"1"7.375"7.375"No£267.81
A740DC-M2L-1515 psi1/2"3/4"7.375"7.375"No£250.17
B740DC-M1A-1515 psi1/2"3/4"7.375"7.375"Yes£262.04
A740GF-M2L-1515 psi2"2"10.625"10.625"No£709.99
B740FG-M1A-1515 psi1.5"1.5"9.25"9.25"Yes£467.95
B740FH-M1A-1515 psi1.25"1.5"9.25"9.25"Yes£390.64
B740EF-M1A-1515 psi1"1.25"8.125"8.125"Yes£330.56
B740DF-M1A-1515 psi3/4"1"7.375"7.375"Yes£272.64
A740FG-M2L-1515 psi1.5"1.5"9.25"9.25"No£461.04
A740FH-M2L-1515 psi1.25"1.5"9.25"9.25"No£390.85
B740GF-M1A-1515 psi2"2"10.25"10.25"Yes£719.93
A740GF-M2L-2525 psi2"2"10.625"10.625"No£709.99
B740FH-M1A-2525 psi1.25"1.5"9.25"9.25"Yes£390.64
B740EF-M1A-2525 psi1"1.25"8.125"8.125"Yes£330.56
A740FH-M2L-2525 psi1.25"1.5"9.25"9.25"No£390.85
A740EF-M2L-2525 psi1"1.25"8.125"8.125"No£324.61
B740DC-M1A-2525 psi1/2"3/4"7.375"7.375"Yes£262.04
B740FG-M1A-2525 psi1.5"1.5"9.25"9.25"Yes£467.95
B740DF-M1A-2525 psi3/4"1"7.375"7.375"Yes£272.64
B740GF-M1A-2525 psi2"2"10.25"10.25"Yes£719.93
A740DF-M2L-2525 psi3/4"1"7.375"7.375"No£267.81
A740DC-M2L-2525 psi1/2"3/4"7.375"7.375"No£250.17
A740FG-M2L-2525 psi1.5"1.5"9.25"9.25"No£461.04
B740DC-M1A-3030 psi1/2"3/4"7.375"7.375"Yes£262.04
StyleModelPrice (inc. VAT)
A6254AJG02-GS£1,540.96
RFQ
A6254FJH01-GS£1,733.93
RFQ
A6254KQP01-GS£9,479.69
RFQ
A6254KPM01-GS£6,461.63
RFQ
A6254FMM01-GS£3,254.76
RFQ
A6254FMK01-GS£2,968.09
RFQ
A6254FLM01-GS£2,682.11
RFQ
A6254FLK02-GS£2,535.65
RFQ
A6254FLK01-GS£2,535.65
RFQ
A6254FLJ01-GS£2,326.71
RFQ
A6254FKK01-GS£1,990.06
RFQ
A6254FKH01-GS£1,750.59
RFQ
A6254FJJ01-GS£1,771.41
RFQ
A6254AMK02-GS£2,968.09
RFQ
A6254FJG01-GS£1,540.96
RFQ
A6254AMK01-GS£2,968.09
RFQ
A6254AKH02-GS£1,750.59
RFQ
A6254AJG01-GS£1,540.96
RFQ
A6254FLM02-GS£2,682.11
RFQ
A6254FKJ01-GS£1,951.19
RFQ
A6254ALJ02-GS£2,326.71
RFQ
A6254KNM02-GS£4,944.27
RFQ
A6254ALJ01-GS£2,326.71
RFQ
A6254AKH01-GS£1,750.59
RFQ
A6254KNM01-GS£4,944.27
RFQ
StyleModelPrice (inc. VAT)
A020M-J04-MG0351£4,148.00
RFQ
A020M-J01-MG£1,785.29
RFQ
A020M-K04-MG£4,517.38
RFQ
A020M-K03-MG£4,320.94
RFQ
A020M-J03-MG£3,038.19
RFQ
A020M-K01-MG£2,739.72
RFQ
A020M-K02-MG£2,739.72
RFQ
A020M-J02-MG£1,785.29
RFQ
A020M-J04-MG£3,312.37
RFQ
StyleModelPrice (inc. VAT)
A6130FEM01AAM£830.99
RFQ
A6130JHM01ALM£1,500.30
RFQ
A6130HGM01AAM£1,203.89
RFQ
A6130EDM01AAM£648.45
RFQ
A6130GFE01AAM£1,056.12
RFQ
A6130FEV01AKM£869.24
RFQ
A6130GFM01AAM£1,056.12
RFQ
A6130JHM02AKM£1,500.30
RFQ
A6130DCM01ALM£564.13
RFQ
A6130DCM02AKM£575.43
RFQ
A6130GFM02AKM£1,056.12
RFQ
A6130HGV01AKM£1,265.61
RFQ
A6130DCM01AKM£564.13
RFQ
A6130DCV01AKM£593.69
RFQ
A6130HGM01AKM£1,203.89
RFQ
A6130JHM01AKM£1,500.30
RFQ
A6130EDM01AKM£648.45
RFQ
A6130DCM01AAM£564.13
RFQ
A6130GFM01AKM£1,056.12
RFQ
A6130FEM01AKM£830.99
RFQ
A6130HGM02AKM£1,203.89
RFQ
A6130FEM01ALM£830.99
RFQ
A6130DCV02AKM£604.99
RFQ
A6130GFV01AKM£1,093.50
RFQ
StyleModelPrice (inc. VAT)
A264P-D04-MG£1,206.05
RFQ
A264P-C04-LG£1,510.30
RFQ
A264PBD01-KG£1,312.33
RFQ
A264P-D01-LG£1,206.05
RFQ
A264P-C04-MG£1,206.05
RFQ
A264P-C03-KM£1,206.05
RFQ
A264P-D01-MM£1,206.05
RFQ
A264P-D02-MG£1,206.05
RFQ
A264P-D03-MG£1,206.05
RFQ
A264P-E01-MG£1,206.05
RFQ
A264P-E01-MM£1,206.05
RFQ
A264P-E03-KM£1,206.05
RFQ
A264PVE03-KG£1,312.33
RFQ
A264P-D04-LG£1,206.05
RFQ
A264P-C02-PG£1,206.05
RFQ
A264P-D60-KG£1,549.23
RFQ
A264P-D02-LG£1,206.05
RFQ
A264PVC02-K£1,643.40
RFQ
A264PBC03-KG£1,643.40
RFQ
A264PBC01-KG£1,643.40
RFQ
A264P-D01-NG£1,206.05
RFQ
A264P-D02-KM£1,206.05
RFQ
A264P-D03-LG£1,206.05
RFQ
A264P-C01-KG£1,206.05
RFQ
A264P-C01-LG£1,206.05
RFQ
StyleModelPrice (inc. VAT)
A218K-M03AMS£4,435.88
RFQ
A218K-M01AMS£3,146.25
RFQ
A218K-K01AMS£2,277.72
RFQ
A218H-M03AMS£4,435.88
RFQ
A218H-M01AMS£3,146.25
RFQ
A218A-K01AMS£1,973.17
RFQ
A218H-M02AMS£4,435.88
RFQ
A218A-M02AMS£4,286.99
RFQ
A218A-K02AMS£2,698.07
RFQ
A218K-P03AMS£8,875.51
RFQ
A218H-P02AMS£8,875.51
RFQ
A218A-M01AMS£2,995.85
RFQ
A218H-K01AMS£2,277.72
RFQ
A218K-P01AMS0100£7,830.01
RFQ
A218H-P03AMS£8,333.80
RFQ
A218K-P01AMS£6,252.64
RFQ
A218K-M02AMS£4,435.88
RFQ
A218K-K02AMS£3,004.12
RFQ
A218H-P01AMS£6,252.64
RFQ
A218H-K03AMS£3,004.12
RFQ
A218H-K02AMS£3,004.12
RFQ
A218K-P04AMS£6,805.34
RFQ
StyleModelPrice (inc. VAT)
A927NEDM06ABF£3,118.71
RFQ
A927LDEM06ABE£3,273.54
RFQ
A927BDDM06ABF£1,903.99
RFQ
A927BEDM06ABE£1,679.79
RFQ
A927BEDM06ABF£1,983.12
RFQ
A927BFEM06ABF£2,083.77
RFQ
A927BGFM06ABF£3,108.30
RFQ
A927BHGM06ABF£3,689.98
RFQ
A927NEDM06ABE£2,815.38
RFQ
A927GJHM06ABE£5,755.01
RFQ
A927BGFM06ABE0150£3,439.57
RFQ
A927BGFM06ABE0225£3,439.57
RFQ
A927JGFM06ABE£5,423.17
RFQ
A927GDDM06ABE£2,592.06
RFQ
A927BJHM07ABF£4,812.38
RFQ
A927NGFM07ABF£4,968.56
RFQ
A927BDEM06ABE£1,656.88
RFQ
A927GDEM06ABE£2,615.53
RFQ
A927JJHM06ABE£8,021.31
RFQ
A927GFEM06ABE£2,381.55
RFQ
A927BFEM06ABE£1,759.61
RFQ
A927LJHM06ABF£7,660.39
RFQ
A927BHGM06ABE0125£4,112.36
RFQ
A927BDCM06ABF£1,860.26
RFQ
A927BJHM06ABF£4,747.13
RFQ
StyleModelPrice (inc. VAT)
A0330UC01-KC£830.18
RFQ
A330SUG01-KC£1,375.78
RFQ
A0330UA01-KC£830.18
RFQ
A0330UA01-KC3800£1,039.61
RFQ
A0330UA01-KC5200£1,039.61
RFQ
A330SUA01-KC£1,098.63
RFQ
StyleModelPrice (inc. VAT)
A20MP-K03-MG£4,558.33
RFQ
A20MP-J01-MG£2,001.17
RFQ
A20MP-J03-MG£3,254.07
RFQ
A20MP-K04-MG£5,589.19
RFQ
StyleModelPrice (inc. VAT)
A265P-E03-LF£1,433.08
RFQ
A265P-C02-PF£1,433.08
RFQ
A265P-C02-LF£1,433.08
RFQ
A265P-E03-PF£1,433.08
RFQ
A265P-D04-LF£1,433.08
RFQ
A265P-D01-MF£1,433.08
RFQ
A265P-D01-LF£1,433.08
RFQ
A265P-C03-LF£1,433.08
RFQ
A265P-E01-LF£1,433.08
RFQ
A265P-C01-PF£1,433.08
RFQ
A265P-D02-LF£1,433.08
RFQ
A265P-E01-PF£1,433.08
RFQ
A265P-E01-MF£1,433.08
RFQ
A265P-D01-KF£1,433.08
RFQ
A265P-C01-LF£1,433.08
RFQ
A265P-C01-KF£1,433.08
RFQ
A265P-C02-KF£1,433.08
RFQ
A265P-D03-KF£1,691.39
RFQ
StyleModelPrice (inc. VAT)
A0265-E01-MF0650£1,432.43
RFQ
A0265-D01-LF£1,143.86
RFQ
A0265-D02-MF£1,143.86
RFQ
A0265-D01-PF£1,143.86
RFQ
A0265-C03-MF£1,143.86
RFQ
A0265-C01-MF£1,143.86
RFQ
A0265-E03-LF£1,143.86
RFQ
A0265-E01-LF£1,143.86
RFQ
A0265-D03-LF£1,143.86
RFQ
A0265-E01-KF£1,143.86
RFQ
A0265-D01-MF£1,143.86
RFQ
A0265-D01-KF£1,143.86
RFQ
A0265-D04-KF£1,389.87
RFQ
A0265-C01-KF£1,143.86
RFQ
A0265-D02-PF£1,143.86
RFQ
A0265-C02-KF£1,432.43
RFQ
A0265-D01-MF0650£1,432.43
RFQ
A0265-E01-MF£1,143.86
RFQ
A0265-D02-LF£1,143.86
RFQ
A0265-D02-KF£1,143.86
RFQ
A0265-C02-PF£1,143.86
RFQ
A0265-C01-PF£1,143.86
RFQ
A0265-E03-KF£1,432.43
RFQ
A0265-C01-LF£1,143.86
RFQ
StyleModelPrice (inc. VAT)
A019M-K03-MG£4,320.94
RFQ
A019M-J01-MG£1,785.29
RFQ
A019M-J03-MG£3,038.19
RFQ
A019M-K01-MG£2,739.72
RFQ
A019M-J02-MG£1,785.29
RFQ
StyleModelPrice (inc. VAT)
A6221EDT01AAM£358.99
RFQ
A6221FET01AAM£407.67
RFQ
A6221JHT01AAM£870.97
RFQ
A6221JHT01ALM£870.97
RFQ
A6221GFT01AAM£525.89
RFQ
A6221HGT01AAM£628.46
RFQ
A6221HGT01ALM£628.46
RFQ
A6221HGT01APM£628.46
RFQ
A6221GFT01ALM£525.89
RFQ
A6221EDT02ALM£369.43
RFQ
StyleModelPrice (inc. VAT)
A266P-C03-MM£1,602.28
RFQ
A266P-C01-KG£1,602.28
RFQ
A266P-D04-MG£1,602.28
RFQ
A266P-D01-LG£1,602.28
RFQ
A266P-C03-KG£1,602.28
RFQ
A266P-E01-MG£1,602.28
RFQ
A266PBC04-MM£1,881.53
RFQ
A266P-E01-LG£1,602.28
RFQ
A266P-E03-LG£1,602.28
RFQ
A266PVE01-MG£1,602.28
RFQ
A266P-E01-NG£1,602.28
RFQ
A266P-C03-LG£1,602.28
RFQ
A266P-E01-PG£1,602.28
RFQ
A266P-C04-KG£1,602.28
RFQ
A266P-D01-KG£1,602.28
RFQ
A266P-D01-MG£1,602.28
RFQ
A266PVC02-KG£1,602.28
RFQ
A266P-C02-LG£1,602.28
RFQ
A266P-E01-KG£1,602.28
RFQ
A266P-C03-KM£1,602.28
RFQ
A266P-D01-PG£1,602.28
RFQ
A266P-C01-PG£1,602.28
RFQ
A266P-C02-KG£1,602.28
RFQ
A266P-C02-NG£1,602.28
RFQ
A266P-D60-KG£1,602.28
RFQ
StyleModelPrice (inc. VAT)
A020P-D01-MG£360.25
RFQ
A020P-J03-MG£2,466.93
RFQ
A020P-E01-MG£407.45
RFQ
A020P-K03-MG£3,497.01
RFQ
A020P-K01-MG£1,883.17
RFQ
A020P-D05-MG£685.80
RFQ
A020P-D03-MG£685.80
RFQ
A020P-D02-MG£360.25
RFQ
A020P-C03-MG£360.25
RFQ
A020P-C02-MG£360.25
RFQ
A020P-C01-MG£360.25
RFQ
A020P-H03-MG£1,597.19
RFQ
A020P-D04-MG£880.85
RFQ
A020P-H01-MG£791.30
RFQ
A020P-G01-MG£573.35
RFQ
A020P-F01-MG£493.52
RFQ
A020P-E03-MG£782.98
RFQ
A020P-C05-MG£360.25
RFQ
A020P-K02-MG£1,883.17
RFQ
A020P-J01-MG£1,182.79
RFQ
A020P-G03-MG£1,303.57
RFQ
A020P-E02-MG£407.45
RFQ
A020P-G02-MG£717.99
RFQ
StyleModelFactory Set PressureInlet SizePressure RangePrice (inc. VAT)
A0140-C02-ME---£466.97
RFQ
A0140-B02-ME---£466.97
RFQ
A0140-B01-ME---£466.97
RFQ
A0140-C01-ME---£466.97
RFQ
A0140-B01-ME002525 psi3/8"0 to 25 psi£834.13
A1133405525 psi1/2"0 to 25 psi£466.97
A0140-B01-ME005050 psi3/8"0 to 50 psi£834.13
A1133405650 psi1/2"0 to 50 psi£466.97
A11334052100 psi3/8"0 to 100 psi£466.97
A11334057100 psi1/2"0 to 100 psi£466.97
A11334058200 psi1/2"0 to 200 psi£466.97
A11334053200 psi3/8"0 to 200 psi£466.97
A11334054300 psi3/8"0 to 300 psi£466.97
A11334059300 psi1/2"0 to 300 psi£466.97
StyleModelInlet SizeOutlet SizeOverall HeightOverall LengthSeat MaterialPrice (inc. VAT)
ARV1100TE1"1"8.75"3.5"EPDM£925.23
ARV1100T1"1"8.75"3.5"FPM£842.93
ARV1150T1.5"1.5"13.25"4 5/16"FPM£1,093.25
ARV1150TE1.5"1.5"13.25"4 5/16"EPDM£1,096.47
ARV1050TE1/2"1/2"6.75"2 5/7"EPDM£662.32
ARV1050T1/2"1/2"6.75"2 5/7"FPM£729.57
ARV1200TE2"2"15.5"5"EPDM£1,419.39
ARV1200T2"2"15.5"5"FPM£1,285.04
ARV1075T3/4"3/4"6.875"3.125"FPM£754.05
ARV1075TE3/4"3/4"6.875"3.125"EPDM£770.57
AQUATROL SAFETY VALVES -

130 Series Brass Safety Relief Valve

Aquatrol safety relief valves are designed for applications in compressors, sterilisers, autoclaves, gas and steam lines, tanks and steam cleaners. These durable Aquatrol valves are made of brass and feature a bronze-plated lift lever, precision-lapped metal-to-metal seating, stainless-steel springs and fixed blow-down. They can operate at temperatures ranging from 0 to 406 degrees Fahrenheit and can withstand a maximum pressure of 200 psi. These valves are available in FNPT / MNPT inlet and MNPT / vented outlet variants.

StyleModelFactory Set PressureInlet SizeInlet TypeOutlet TypePrice (inc. VAT)
A130A-1515 psi1/4"MNPTVented£90.29
A130C-1515 psi1/2"MNPTVented£90.04
A130B-1515 psi3/8"MNPTVented£93.27
A130B-2525 psi3/8"MNPTVented£93.27
A130A-2525 psi1/4"FnptMnpt£90.29
A130C-2525 psi1/2"MNPTVented£90.04
A130C-5050 psi1/2"MNPTVented£90.04
A130B-5050 psi3/8"MNPTVented£93.27
A130A-5050 psi1/4"MNPTVented£90.29
A130B-100100 psi3/8"MNPTVented£93.27
A130A-100100 psi1/4"MNPTVented£90.29
A130C-100100 psi1/2"MNPTVented£90.04
A130A-125125 psi1/4"MNPTVented£90.29
A130B-125125 psi3/8"MNPTVented£93.27
A130C-125125 psi1/2"MNPTVented£90.04
A130A-150150 psi1/4"MNPTVented£90.29
A130B-150150 psi3/8"MNPTVented£93.27
A130C-150150 psi1/2"MNPTVented£90.04
A130A-200200 psi1/4"MNPTVented£90.29
A130B-200200 psi3/8"MNPTVented£93.27
A130C-200200 psi1/2"MNPTVented£90.04
KUNKLE -

Aluminium Safety Relief Valve

Kunkle safety relief valves are designed to open at a specific pressure to protect pumps and pipelines from exceeding stress limits. These relief valves have an aluminium body with stainless steel seat for leak-proof performance. All the models are factory preset and sealed to prevent tampering, ideal for harsh industrial environments. They can handle pressure ranging from 1000 to 5500 psi. Choose from a wide range of Kunkle safety relief valves, available in an operating temperature ranging from -20 to 185 degrees Fahrenheit, on Raptor Supplies.

StyleModelFactory Set Pressure
A0330-A01-KC10001000 psi
RFQ
A0330-A01-KC12001200 psi
RFQ
A0330-A01-KC20002000 psi
RFQ
A0330-A01-KC25002500 psi
RFQ
A0330-A01-KC35003500 psi
RFQ
A0330-A01-KC45004500 psi
RFQ
A0330-A01-KC50005000 psi
RFQ
StyleModelFactory Set PressureInlet SizeOutlet SizeOverall HeightOverall LengthPressure RangePrice (inc. VAT)
AFR-FHWSCFMES02-D15 psi2"2"11"7.5"0 to 10 psi£2,196.70
AFR-FDWSCFMES02-D15 psi3/4"3/4"8"5.625"0 to 10 psi£1,112.77
AFR-FGWSCFMES02-D15 psi1.5"1.5"10.75"7.5"0 to 10 psi£1,928.81
A13736-00088 psi1.25"1.25"10.25"6.5"0 to 15 psi£2,404.43
AFR-FEWSCFMES02-D110 psi1"1"10 1/3"6.5"0 to 20 psi£1,367.47
AFR-FCWSCFMES02-D113 psi1/2"1/2"6.75"4.75"0 to 25 psi£966.05
AFR-FCWSCFMES02-D328 psi1/2"1/2"6.75"4.75"5 to 50 psi£966.05
AFR-FDWSCFMES02-D330 psi3/4"3/4"8"5.625"10 to 50 psi£1,112.77
AFR-FHWSCFMES02-D333 psi2"2"11"7.5"10 to 55 psi£2,196.70
AFR-FGWSCFMES02-D333 psi1.5"1.5"10.75"7.5"10 to 55 psi£1,928.81
A13736-005353 psi1.25"1.25"10.25"6.5"20 to 85 psi£2,404.43
AFR-FEWSCFMES02-D355 psi1"1"10 1/3"6.5"20 to 90 psi£1,367.47
AFR-FHWSCFMES02-D465 psi2"2"11"7.5"30 to 100 psi£2,196.70
AFR-FDWSCFMES02-D465 psi3/4"3/4"8"5.625"20 to 110 psi£1,112.77
AFR-FGWSCFMES02-D465 psi1.5"1.5"10.75"7.5"30 to 100 psi£1,928.81
AFR-FCWSCFMES02-D465 psi1/2"1/2"6.75"4.75"30 to 100 psi£966.05
AFR-FEWSCFMES02-D483 psi1"1"10 1/3"6.5"40 to 125 psi£1,367.47
A13736-008383 psi1.25"1.25"10.25"6.5"40 to 125 psi£2,404.43
AFR-FDWSCFMES02-D5115 psi3/4"3/4"8"5.625"30 to 200 psi£1,112.77
AFR-FGWSCFMES02-D5120 psi1.5"1.5"10.75"7.5"40 to 200 psi£1,928.81
AFR-FHWSCFMES02-D5120 psi2"2"11"7.5"40 to 200 psi£2,196.70
AFR-FCWSCFMES02-D5125 psi1/2"1/2"6.75"4.75"75 to 175 psi£966.05
AFR-FEWSCFMES02-D5140 psi1"1"10 1/3"6.5"50 to 230 psi£1,367.47
A13736-0140140 psi1.25"1.25"10.25"6.5"50 to 230 psi£2,404.43
AFR-FDWSCFMES02-D6175 psi3/4"3/4"8"5.625"100 to 250 psi£1,112.77
StyleModelInlet SizeOutlet SizeOverall HeightOverall LengthSeat MaterialPrice (inc. VAT)
ARV2100T1"1"8.75"3.5"FPM£1,264.83
ARV2100TE1"1"8.75"3.5"EPDM£1,232.89
ARV2150TE1.5"1.5"13.25"4 5/16"EPDM£1,621.42
ARV2150T1.5"1.5"13.25"4 5/16"FPM£1,641.56
ARV2050T1/2"1/2"6.75"2 5/7"FPM£940.64
ARV2050TE1/2"1/2"6.75"2 5/7"EPDM£954.05
ARV2200T2"2"15.5"5"FPM£1,901.26
ARV2200TE2"2"15.5"5"EPDM£1,924.11
ARV2075T3/4"3/4"6.875"3.125"FPM£1,044.33
ARV2075TE3/4"3/4"6.875"3.125"EPDM£1,069.91
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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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