WATTS Pressure Regulators

Used to reduce the inlet pressure of the fluid to a predetermined value, protect the downstream plumbing components and reduce water consumption. Steam and water pressure regulators also available in different connection types and body materials

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WATTS -

1156F Series Boiler Feed Water Pressure Regulators

StyleModelConnection TypeMax. Working PressureInlet TypeOverall WidthInlet SizeOutlet SizeMin. Temp.Max. Temp.Price
ASB1156FFemale Solder100 psiUnion Joint4 3/8"1/2"1/2"33°F212°F€229.82
BTB1156FFNPT6.8 BarFemale Threaded4 1/8"1/2"1/2"33°F212°F€201.55
WATTS -

LF560 Series Water Pressure Reducing Valves

StyleModelOutlet SizeInlet SizeMin. Temp.Adjustable Pressure RangeAdjustable Reduced Pressure RangeInlet Thread TypeDisc MaterialPressure Adjustment RangePrice
A1/4 LF560G 0-1251/4"1/4"0°F0 psi to 125 psi0 Bar to 8.61 BarNPTBuna N0 psi to 125 psi€195.85
B1/4 LF560 0-1251/4"1/4"33°F0 psi to 125 psi0 Bar to 8.61 BarFPTBuna-N0 psi to 125 psi€169.60
BLF560 0-60 1/41/4"-0.6°C0 psi to 60 psi0 Bar to 4.13 BarFPTBuna N-€250.61
B1/8 LF560 0-251/8"1/8"-0 psi to 25 psi0 Bar to 1.72 BarFPTBuna-N0 psi to 25 psi€186.72
B1/8 LF560 0-601/8"1/8"-0 psi to 60 psi0 Bar to 4.13 BarFPTBuna-N0 psi to 60 psi€184.89
ALF560G-0-125 1/81/8"1/8"0.5°C0 psi to 125 psi0 Bar to 8.61 BarNPTBuna N-€401.11
StyleModelOutlet SizeInlet SizeStrainerInlet Thread TypePressure Setting RangeDisc MaterialMin. Temp.Max. Operating Temp.Price
ALF215M1 0-8 1/41/4"-NoNPT0.27 Bar-0°F120°F€763.25
A1/4 LF215M1 0-501/4"1/4"NoNPT-Reinforced EPDM--€865.69
ALF215M1 0-20 1/41/4"-YesNPT0.68 Bar-0°F120°F€763.25
ALF215M1 0-20 3/83/8"3/8"YesNPT0.68 Bar-0°F120°F€819.03
A3/8 LF215M1 0-503/8"3/8"YesNPT1.03 BarBuna N0°F120°F€908.38
ALF215M0-8 3/83/8"3/8"YesFPT0.27 Bar-0°F120°F€819.03
StyleModelInlet SizeOutlet SizeMin. Temp.Max. Working PressureValve DesignInlet ConnectionOutlet ConnectionAdjustable Reduced Pressure RangePrice
AF127SS-110 33"3"33°F125 psiStandardFlanged JointFlanged Joint50 psi to 100 psi€13,767.73
RFQ
AF127SS-206 33"3"33°F125 psiStandardFlanged JointFlanged Joint50 psi to 100 psi€13,507.96
RFQ
AF127SS-208 33"3"0.5°C8.6 BarStandardFlanged JointFlanged Joint50 psi to 100 psi€13,507.96
RFQ
AF127SS-210 44"4"0.5°C8.6 BarStandardFlanged JointFlanged Joint50 psi to 100 psi€18,209.92
RFQ
AF127SS-208 44"4"33°F125 psiStandardFlanged JointFlanged Joint50 psi to 100 psi€17,019.43
RFQ
WATTS -

BD1156F Series Boiler Feed Water Pressure Regulators

StyleModelInlet SizeOutlet SizeMax. Operating Temp.Inlet TypeOutlet TypeInlet Thread TypeMax. Working PressureDisc MaterialPrice
A1/2 SBD1156F1/2"1/2"100°CUnion SolderFemale ThreadedNot Applicable6.9 BarNot Applicable€173.71
BBD1156F (W/PRESS) 1/21/2"1/2"100°CPressPressNot Applicable6.9 BarEpdm-70 Duro Peroxide Cured€150.46
C1/2 TBD1156F1/2"1/2"212°FUnion JointFemale ThreadedFPT100 psiNot Applicable€173.71
DBD1156F 3/43/4"3/4"-Female ThreadedFemale ThreadedNPT--€156.97
E1/2 BD1156FNot Applicable1/2"212°FFemale ThreadedFemale ThreadedNPT100 psi-€126.94
WATTS -

RV47 Series Pressure Regulators

StyleModelMPNPrice
ARV47CL-33RV47CL-33€56.31
RFQ
BRV47LNG-22RV47LNG-22€40.15
RFQ
StyleModelMin. Temp.Max. Operating Temp.Inlet SizeOutlet SizeAdjustable Pressure RangeMax. Working PressureAdjustable Reduced Pressure RangeTypePrice
A252A 3-15 3/40.5°C149°C--3 psi to 15 psi20.7 Bar0.2 Bar to 1.03 Bar-€2,380.69
A252AT 30-140 3/40.5°C204°C3/4"-30 psi to 140 psi14 Bar2.06 Bar to 9.65 Bar-€2,619.08
A252AT 30-140 1/20.5°C204°C1/2"1/2"30 psi to 140 psi20.7 Bar30 psi to 140 psiStandard€2,354.73
A252A 10-50 1/233°F-1/2"1/2"10 psi to 50 psi300 psi10 psi to 50 psiStandard€1,998.67
A252AT 3-15 1/233°F400°F1/2"1/2"3 psi to 15 psi300 psi3 psi to 15 psiStandard€2,354.73
A252A 30-140 3/433°F149°C--30 psi to 140 psi20.7 Bar30 to 140-€2,380.69
A252AT 10-30 3/433°F204°C--10 psi to 30 psi14 Bar--€2,619.08
A252A 10-50 133°F-1"1"10 psi to 50 psi300 psi10 psi to 50 psiKit€2,889.55
RFQ
A252A 30-140 133°F300°F1"1"30 psi to 140 psi300 psi30 psi to 140 psiKit€2,889.55
RFQ
A252AT 3-15 3/433°F204°C3/4"-3 psi to 15 psi14 Bar--€2,619.08
A252A 10-30 3/433°F300°F3/4"-10 psi to 30 psi300 psi--€2,380.69
A252A 30-140 1/233°F300°F1/2"1/2"30 psi to 140 psi300 psi30 psi to 140 psiStandard€1,998.67
A252A 3-15 1/233°F300°F1/2"1/2"3 psi to 15 psi300 psi3 psi to 15 psiStandard€1,998.67
A252AT 10-50 1/233°F400°F1/2"1/2"10 psi to 50 psi300 psi10 psi to 50 psiStandard€2,198.87
A252A 10-50 3/433°F149°C--10 psi to 50 psi20.7 Bar--€3,593.02
A252A 10-30 1/233°F-1/2"1/2"10 psi to 30 psi300 psi10 psi to 30 psiStandard€1,998.67
WATTS -

LF263A Series Water Pressure Reducing Valves

StyleModelInlet SizeOutlet SizeAdjustable Reduced Pressure RangeInlet Thread TypeMax. Working PressurePressure Setting RangeDisc MaterialAdjustable Pressure RangePrice
ALF263AP 1/2 20-175--1.4 Bar to 12.1 BarNPT--Buna-N20 to 175€795.72
RFQ
BLF263AP--------€149.71
RFQ
CLF263A 50-175--------€300.93
DLF263A-G 10-125 1/2---------
RFQ
ELF263A 10-125 1/21/2"1/2"0.7 Bar to 8.6 BarNPT300 psi1.7 BarBuna N-€1,159.03
ELF263A 1-25 1/21/2"1/2"1 psi to 25 psiNPT300 psi0.7 BarBuna N-€397.29
DLF263A-G 3-50 1/21/2"1/2"0.2 Bar to 3.4 BarFPT300 psi1 Bar--€575.33
E1/2 LF263A 50-1751/2"1/2"3.4 Bar to 11.9 BarNPT300 psi3.4 BarBuna N50 psi to 175 psi€314.23
FLF263AP 20-175 1/21/2"1/2"1.4 Bar to 12.1 BarNPT--Buna-N20 psi to 175 psi€718.65
ELF263A 3-50 1/21/2"1/2"0.2 Bar to 3.4 BarNPT300 psi1 BarBuna N-€397.29
GLF263A-G 1-25 1/21/2"1/2"1 psi to 25 psiFPT20.7 Bar0.7 Bar--€575.33
ALF263AP-V 1/21/2"1/2"0.7 Bar to 2.4 BarNPT300 psi0.7 BarBuna N10 psi to 35 psi€854.71
E1/4 LF263A-1-251/4"1/4"1 psi to 25 psiNPT--Buna-N1 psi to 25 psi€478.67
DLF263A-G 10-125 1/41/4"1/4"0.7 Bar to 8.6 BarFPT300 psi1.7 Bar--€482.11
ELF263A 50-175 1/41/4"1/4"50 psi to 175 psiFPT300 psi3.4 Bar--€310.19
ELF263A-V 1/41/4"1/4"0.2 Bar to 3.4 BarFPT300 psi1 Bar--€369.03
ELF263A 10-125 1/41/4"1/4"0.7 Bar to 8.6 BarNPT20.7 Bar1.7 BarBuna N-€310.19
ELF263A 3-50 1/41/4"1/4"0.2 Bar to 3.4 BarNPT20.7 Bar1 BarBuna N-€310.19
ELF263A 1-25 3/83/8"3/8"1 psi to 25 psiNPT300 psi0.7 BarBuna N-€310.19
ELF263A 3-50 3/83/8"3/8"0.2 Bar to 3.4 BarNPT300 psi1 BarBuna N-€310.19
E3/8 LF263A 10-1253/8"3/8"0.7 Bar to 8.6 BarNPT--Buna-N10 psi to 125 psi€321.49
E3/8 LF263A 50-1753/8"3/8"50 to 175FPT---50 psi to 175 psi€448.97
DLF263A-G 10-125 3/83/8"3/8"0.7 Bar to 8.6 BarNPT300 psi1.7 BarBuna N-€482.11
StyleModelOutlet SizeInlet SizeAdjustable Reduced Pressure RangeInlet Thread TypeMax. Working PressureTrim MaterialPressure Setting RangeDisc MaterialPrice
ALF26A 3-50 1/4---------
RFQ
ALF26A 50-175 1/4---------
RFQ
A1/2 LF26A 10-1251/2"1/2"0.7 Bar to 8.6 BarNPT-Lead Free Brass-Buna-N€334.18
ALF26A 3-50 1/21/2"1/2"0.7 Bar to 1.7 BarNPT20.7 BarBronze1 BarBuna N€369.78
ALF26A 1-25 1/21/2"1/2"0 Bar to 1.72 BarNPT300 psiLead Free Brass0.7 BarBuna N€369.78
ALF26A 1-25 1/41/4"-1 psi to 25 psiNPT300 psiNot Applicable0.7 BarBuna N€284.98
ALF26A 10-125 1/41/4"-0.7 Bar to 8.6 BarNPT300 psiNot Applicable1.7 BarBuna N€284.98
ALF26A 3-50 1/81/8"1/8"0.2 Bar to 3.4 BarFPT300 psiNot Applicable1 BarBuna-N€284.98
ALF26A 1-25 1/81/8"1/8"1 psi to 25 psiFPT300 psiNot Applicable0.7 Bar-€305.61
A3/8 LF26A 50-1753/8"3/8"50 to 175NPT300 psiNot Applicable-Buna-N€155.72
ALF26A-V 3/83/8"3/8"0.2 Bar to 3.4 BarNPT20.7 Bar-3.4 Bar-€344.58
ALF26A 10-125 3/83/8"3/8"0.7 Bar to 2.4 BarNPT300 psiBronze1.7 BarBuna N€284.98
ALF26A 1-25 3/83/8"3/8"1 psi to 25 psiNPT300 psiNot Applicable0.7 BarBuna N€284.98
ALF26A 3-50 3/83/8"3/8"0.2 Bar to 3.4 BarNPT300 psiLead Free Brass1 BarBuna N€284.98
StyleModelInlet SizeOutlet SizeMin. Temp.Max. Working PressureAdjustable Reduced Pressure RangeValve DesignInlet TypeOutlet TypePrice
A127SS-206 1 1/21 1/2"1 1/2"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€7,048.92
RFQ
A127SS-208 1 1/21 1/2"1 1/2"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€7,048.92
RFQ
A127SS-110 1 1/21 1/2"1 1/2"0.5°C17.2 Bar50 psi to 100 psiStandardFemale ThreadedFemale Threaded€7,048.92
RFQ
A127SS-210 1 1/21 1/2"1 1/2"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€7,048.92
RFQ
A127SS-108 1 1/21 1/2"1 1/2"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€7,542.45
RFQ
A127SS-210 1 1/41 1/4"1 1/4"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€6,162.63
RFQ
A127SS-108 1 1/41 1/4"1 1/4"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€6,595.06
RFQ
A127SS-208 1 1/41 1/4"1 1/4"0.5°C17.2 Bar50 psi to 100 psiStandardFemale ThreadedFemale Threaded€6,162.63
RFQ
A127SS-110 1 1/41 1/4"1 1/4"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€6,595.06
RFQ
A127SS-206 1 1/41 1/4"1 1/4"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€6,162.63
RFQ
A127SS-206 11"1"0.5°C17.2 Bar50 psi to 100 psiStandardFemale ThreadedFemale Threaded€5,577.40
RFQ
A127SS-208 11"1"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€5,577.40
RFQ
A127SS-110 11"1"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€5,577.40
RFQ
A127SS-210 11"1"0.5°C17.2 Bar50 psi to 100 psiStandardFemale ThreadedFemale Threaded€5,577.40
RFQ
A127SS-108 11"1"0.5°C17.2 Bar50 psi to 100 psiStandardFemale ThreadedFemale Threaded€5,577.40
RFQ
A127SS-110 1/21/2"1/2"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€5,343.58
RFQ
A127SS-206 1/21/2"1/2"0.5°C17.2 Bar50 psi to 100 psiStandardFemale ThreadedFemale Threaded€4,993.68
RFQ
A127SS-208 1/21/2"1/2"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€5,343.58
RFQ
A127SS-208 22"2"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€8,631.97
RFQ
A127SS-206 22"2"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€8,631.97
RFQ
A127SS-110 22"2"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€8,631.97
RFQ
A127SS-106 22"2"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€9,678.83
RFQ
A127SS-210 22"2"0.5°C17.2 Bar50 psi to 100 psiStandardFemale ThreadedFemale Threaded€8,631.97
RFQ
A127SS-208 33"3"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€12,331.36
RFQ
A127SS-206 3/43/4"3/4"33°F17.2 Bar50 to 100StandardFemale ThreadedFemale Threaded€4,993.68
RFQ
StyleModelAdjustable Reduced Pressure RangeStrainerInlet SizeOutlet SizeMin. Temp.Max. Operating Temp.Valve DesignInlet TypePrice
AP60M1-4-V-0-250 psi to 25 psiYes1/4"1/4"33°F150°FStandardFemale Threaded€183.37
AP60M1-0-250 psi to 25 psiNo1/4"1/4"33°F150°FStandardFemale Threaded€194.06
AP60M1-4-0-250 psi to 25 psiYes1/4"1/4"33°F150°FStandardFemale Threaded€147.45
AP60M1-0-25-Z60 psi to 25 psiNo1/4"1/4"33°F150°FStandardFemale Threaded€236.06
AP60M1-4-0-600 psi to 60 psiYes1/4"1/4"33°F150°FStandardFemale Threaded€163.51
AP60M1-0-600 psi to 60 psiNo1/4"1/4"33°F150°FStandardFemale Threaded€194.06
AP60M1-4-V-0-600 psi to 60 psiYes1/4"1/4"33°F150°FStandardFemale Threaded€197.13
AP60M1-4-0-1250 psi to 125 psiYes1/4"1/4"33°F150°FStandardFemale Threaded€163.51
AP60M1-4-QD-0-1250 psi to 125 psiNo1/4"1/4"33°F150°FStandardFemale Threaded€169.63
WATTS -

1156F Series Pressure Regulators

StyleModelInlet SizeOutlet SizeMin. Temp.Max. Operating Temp.Max. Temp.Adjustable Pressure RangePressure Adjustment RangeSeal MaterialPrice
AB1156F1/2"1/2"--212°F10 psi to 25 psi10 psi to 25 psiBuna-N€114.15
B1156F-A1/2"1/2"--212°F10 psi to 25 psi10 psi to 25 psiBuna-N€133.19
CB1156F (W/PRESS) 1/21/2"1/2"33°F212°F212°F---€165.17
WATTS -

RV61 Series Gas Pressure Regulators

StyleModelMPNPrice
ARV61LLP-52RV61LLP-52€243.88
RFQ
BRV61LNG-52RV61LNG-52€155.73
RFQ
BRV61LNG-62RV61LNG-62€155.73
RFQ
WATTS -

R625 Series Pressure Regulators

StyleModelGas TypePipe SizeMaterialInlet PressureRangePrice
AR625N42-0711-08-----€155.73
RFQ
BR625P42-0711-11-----€155.73
RFQ
CR625P42-0711-11BXLP Gas3/4"Aluminum2 psig7" to 11"€243.88
RFQ
DR625N42-0711-08BXNatural Gas3/4"Aluminum2 psig7" to 11"€243.88
RFQ
WATTS -

R48 Series Gas Pressure Regulators

StyleModelMPNPrice
AR48N32-0306-3.5R48N32-0306-3.5€42.51
RFQ
BR48N32-0306-3.5RR48N32-0306-3.5R€66.53
RFQ
AR48N42-0306-3.5R48N42-0306-3.5€42.51
RFQ
BR48N42-0306-3.5RR48N42-0306-3.5R€66.53
RFQ
CR48P32-0512-10R48P32-0512-10€42.51
RFQ
CR48P42-0512-10R48P42-0512-10€42.51
RFQ
WATTS -

R325 Series Gas Pressure Regulators

StyleModelGas TypeInlet ConnectionOutlet ConnectionInlet Thread TypePipe SizeMaterialInlet PressureRangePrice
AR325P32-0711-11--------€75.54
RFQ
BR325N32-0509-06--------€75.54
RFQ
CR325N32-0711-08--------€75.54
RFQ
DR325P32-0711-11BXLP GasFemale ThreadedFemale ThreadedNPT1/2"Aluminum2 psig7" to 11"€118.27
RFQ
ER325N32-0711-08BXNatural GasFemale ThreadedFemale ThreadedNPT1/2"Aluminum2 psig7" to 11"€118.27
RFQ
WATTS -

RV48 Series Pressure Regulators

StyleModelMPNPrice
ARV48CL-32RV48CL-32€58.38
RFQ
BRV48CL-42RV48CL-42€47.20
RFQ
StyleModelAdjustable Pressure RangePressure Adjustment RangeInlet SizeOutlet SizeMax. Temp.Gauge Port SizeOverall HeightOverall WidthPrice
A1/2 SS263AP-M1-AB 3-50 PSI3 psi to 50 psi3 psi to 50 psi1/2"1/2"140°F1/4"4 3/4"2 1/8"€1,809.52
A1/2 SS263AP-M1-A-C 10-125PSI10 psi to 125 psi10 psi to 125 psi1/2"1/2"140°F1/4"4 3/4"2 1/8"€1,222.07
WATTS -

LF26A Series Water Pressure Regulators, Lead Free

StyleModelInlet SizeOutlet SizePressure Adjustment RangeAdjustable Pressure RangeOverall HeightOverall WidthMax. Temp.Gauge Port SizePrice
A1/2 LF 26AA1/2"1/2"1 psi to 25 psi1 psi to 25 psi4 3/8"2 1/8"140°F-€278.78
A1/2 LF 26AB1/2"1/2"3 psi to 50 psi3 psi to 50 psi4 3/8"2 1/8"140°F-€262.65
B1/2 LF 263AB1/2"1/2"3 psi to 50 psi-4 3/8"2 1/8"-1/4"€224.84
A1/4 LF 26AA1/4"-1 psi to 25 psi1 psi to 25 psi4 3/8"2 1/8"140°F-€127.92
A1/4 LF 26AB1/4"1/4"3 psi to 50 psi3 psi to 50 psi4 3/8"2 1/8"140°F-€126.35
A3/8 LF 26AB3/8"3/8"3 psi to 50 psi3 psi to 50 psi4 3/8"2 1/8"140°F-€138.26
B3/8 LF 263 A-B3/8"3/8"3 psi to 50 psi-4 3/8"2 1/8"-1/4"€309.71
StyleModelInlet SizeOutlet SizeAdjustable Pressure RangePressure Adjustment RangeMax. Temp.Gauge Port SizeOverall HeightOverall WidthPrice
A1/2 LF 263A-A 1-25 PSI1/2"1/2"1 psi to 25 psi1 psi to 25 psi140°F1/4"4 3/8"2 1/8"€318.09
A1/4 LF 263A-B3-50PSI1/4"-3 psi to 50 psi3 psi to 50 psi140°F1/4"4 3/8"2 1/8"€299.63
A3/8 LF 263A-A 1-25 PSI3/8"3/8"1 psi to 25 psi1 psi to 25 psi140°F1/4"4 3/8"2 1/8"€340.65
WATTS -

152SS Series Steam Pressure Regulators

StyleModelInlet SizeOutlet SizePressure Adjustment RangeConnection TypeAdjustable Pressure RangeMax. Temp.Overall HeightOverall WidthPrice
A152SS-10-50 11"1"10 psi to 50 psiFNPT x FNPT10 psi to 50 psi420°F8 3/4"6"€17,076.87
B152SS 3-151/2"1/2"3 psi to 15 psiFNPT x FNPT-420°F8 3/4"6"€16,857.96
A152SS-30-140 1/21/2"1/2"30 psi to 140 psiFNPT x FNPT30 psi to 140 psi420°F8 3/4"6"€14,750.71
A152SS-10-50 3/43/4"3/4"10 psi to 50 psiFNPT10 psi to 50 psi420°F--€15,881.27
A152SS-30-140 3/43/4"3/4"30 psi to 140 psiFNPT x FNPT30 psi to 140 psi420°F8 3/4"6"€16,301.44
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