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

Filter

StyleModelMin. Temp.Max. Operating Temp.Inlet SizeOutlet SizeAdjustable Pressure RangeMax. Working PressureAdjustable Reduced Pressure RangeTypePrice
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
A252AT 30-140 3/40.5°C204°C3/4"-30 psi to 140 psi14 Bar2.06 Bar to 9.65 Bar-€2,619.08
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 10-30 3/433°F204°C--10 psi to 30 psi14 Bar--€2,619.08
A252AT 10-50 1/233°F400°F1/2"1/2"10 psi to 50 psi300 psi10 psi to 50 psiStandard€2,198.87
A252AT 3-15 3/433°F204°C3/4"-3 psi to 15 psi14 Bar--€2,619.08
A252A 10-50 3/433°F149°C--10 psi to 50 psi20.7 Bar--€3,593.02
A252A 10-50 1/233°F-1/2"1/2"10 psi to 50 psi300 psi10 psi to 50 psiStandard€1,998.67
A252A 10-30 1/233°F-1/2"1/2"10 psi to 30 psi300 psi10 psi to 30 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 1/233°F300°F1/2"1/2"30 psi to 140 psi300 psi30 psi to 140 psiStandard€1,998.67
A252A 30-140 3/433°F149°C--30 psi to 140 psi20.7 Bar30 to 140-€2,380.69
A252A 3-15 1/233°F300°F1/2"1/2"3 psi to 15 psi300 psi3 psi to 15 psiStandard€1,998.67
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
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
BLF263A 50-175--------€300.93
CLF263AP--------€149.71
RFQ
DLF263A-G 10-125 1/2---------
RFQ
ELF263A-G 1-25 1/21/2"1/2"1 psi to 25 psiFPT20.7 Bar0.7 Bar--€575.33
FLF263A 10-125 1/21/2"1/2"0.7 Bar to 8.6 BarNPT300 psi1.7 BarBuna N-€1,159.03
DLF263A-G 3-50 1/21/2"1/2"0.2 Bar to 3.4 BarFPT300 psi1 Bar--€575.33
F1/2 LF263A 50-1751/2"1/2"3.4 Bar to 11.9 BarNPT300 psi3.4 BarBuna N50 psi to 175 psi€314.23
GLF263AP 20-175 1/21/2"1/2"1.4 Bar to 12.1 BarNPT--Buna-N20 psi to 175 psi€718.65
FLF263A 3-50 1/21/2"1/2"0.2 Bar to 3.4 BarNPT300 psi1 BarBuna N-€397.29
FLF263A 1-25 1/21/2"1/2"1 psi to 25 psiNPT300 psi0.7 BarBuna N-€397.29
FLF263A 10-125 1/41/4"1/4"0.7 Bar to 8.6 BarNPT20.7 Bar1.7 BarBuna N-€310.19
F1/4 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
FLF263A 50-175 1/41/4"1/4"50 psi to 175 psiFPT300 psi3.4 Bar--€310.19
FLF263A-V 1/41/4"1/4"0.2 Bar to 3.4 BarFPT300 psi1 Bar--€369.03
FLF263A 3-50 1/41/4"1/4"0.2 Bar to 3.4 BarNPT20.7 Bar1 BarBuna N-€310.19
FLF263A 3-50 3/83/8"3/8"0.2 Bar to 3.4 BarNPT300 psi1 BarBuna N-€310.19
F3/8 LF263A 10-1253/8"3/8"0.7 Bar to 8.6 BarNPT--Buna-N10 psi to 125 psi€321.49
FLF263A 1-25 3/83/8"3/8"1 psi to 25 psiNPT300 psi0.7 BarBuna N-€310.19
F3/8 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
WATTS -

Pressure Regulators

StyleModelInlet SizeOutlet SizeMax. Temp.Adjustable Pressure RangePressure Adjustment RangeGauge Port SizeOverall HeightOverall WidthPrice
AP601/4"1/4"150°F0 psi to 125 psi0 psi to 125 psi1/4"2 7/8"1 9/16"€130.62
BLFH560G 3/43/4"3/4"140°F10 psi to 60 psi10 psi to 60 psi1/8"2"3"€236.08
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-210 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-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-108 1 1/41 1/4"1 1/4"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€6,595.06
RFQ
A127SS-208 11"1"33°F250 psi50 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-206 11"1"0.5°C17.2 Bar50 psi to 100 psiStandardFemale ThreadedFemale Threaded€5,577.40
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-210 22"2"0.5°C17.2 Bar50 psi to 100 psiStandardFemale ThreadedFemale Threaded€8,631.97
RFQ
A127SS-208 3/43/4"3/4"33°F17.2 Bar-StandardFemale ThreadedFemale Threaded€4,993.68
RFQ
A127SS-108 3/43/4"3/4"33°F17.2 Bar50 to 100StandardFemale ThreadedFemale Threaded€5,343.58
RFQ
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
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
B152SS 3-151/2"1/2"3 psi to 15 psiFNPT x FNPT-420°F8 3/4"6"€16,857.96
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
A152SS-10-50 3/43/4"3/4"10 psi to 50 psiFNPT10 psi to 50 psi420°F--€15,881.27
StyleModelAdjustable Reduced Pressure RangeStrainerInlet SizeOutlet SizeMin. Temp.Max. Operating Temp.Valve DesignInlet TypePrice
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
AP60M1-4-V-0-250 psi to 25 psiYes1/4"1/4"33°F150°FStandardFemale Threaded€183.37
AP60M1-4-V-0-600 psi to 60 psiYes1/4"1/4"33°F150°FStandardFemale Threaded€197.13
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-QD-0-1250 psi to 125 psiNo1/4"1/4"33°F150°FStandardFemale Threaded€169.63
AP60M1-4-0-1250 psi to 125 psiYes1/4"1/4"33°F150°FStandardFemale Threaded€163.51
StyleModelOutlet SizeInlet SizeAdjustable Reduced Pressure RangeInlet Thread TypeMax. Working PressureTrim MaterialPressure Setting RangeDisc MaterialPrice
ALF26A 50-175 1/4---------
RFQ
ALF26A 3-50 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 1-25 1/21/2"1/2"0 Bar to 1.72 BarNPT300 psiLead Free Brass0.7 BarBuna N€369.78
ALF26A 3-50 1/21/2"1/2"0.7 Bar to 1.7 BarNPT20.7 BarBronze1 BarBuna N€369.78
ALF26A 1-25 1/41/4"-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
ALF26A 10-125 3/83/8"3/8"0.7 Bar to 2.4 BarNPT300 psiBronze1.7 BarBuna N€284.98
ALF26A-V 3/83/8"3/8"0.2 Bar to 3.4 BarNPT20.7 Bar-3.4 Bar-€344.58
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
A3/8 LF26A 50-1753/8"3/8"50 to 175NPT300 psiNot Applicable-Buna-N€155.72
WATTS -

1156F Series Pressure Regulators

StyleModelInlet SizeOutlet SizeMin. Temp.Max. Operating Temp.Max. Temp.Adjustable Pressure RangePressure Adjustment RangeSeal MaterialPrice
A1156F-A1/2"1/2"--212°F10 psi to 25 psi10 psi to 25 psiBuna-N€133.19
BB1156F (W/PRESS) 1/21/2"1/2"33°F212°F212°F---€165.17
CB1156F1/2"1/2"--212°F10 psi to 25 psi10 psi to 25 psiBuna-N€114.15
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
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 -

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 0-601/8"1/8"-0 psi to 60 psi0 Bar to 4.13 BarFPTBuna-N0 psi to 60 psi€184.89
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
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 0-20 1/41/4"-YesNPT0.68 Bar-0°F120°F€763.25
A1/4 LF215M1 0-501/4"1/4"NoNPT-Reinforced EPDM--€865.69
ALF215M1 0-8 1/41/4"-NoNPT0.27 Bar-0°F120°F€763.25
ALF215M1 0-20 3/83/8"3/8"YesNPT0.68 Bar-0°F120°F€819.03
ALF215M0-8 3/83/8"3/8"YesFPT0.27 Bar-0°F120°F€819.03
A3/8 LF215M1 0-503/8"3/8"YesNPT1.03 BarBuna N0°F120°F€908.38
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-208 33"3"0.5°C8.6 BarStandardFlanged JointFlanged Joint50 psi to 100 psi€13,507.96
RFQ
AF127SS-206 33"3"33°F125 psiStandardFlanged JointFlanged Joint50 psi to 100 psi€13,507.96
RFQ
AF127SS-208 44"4"33°F125 psiStandardFlanged JointFlanged Joint50 psi to 100 psi€17,019.43
RFQ
AF127SS-210 44"4"0.5°C8.6 BarStandardFlanged JointFlanged Joint50 psi to 100 psi€18,209.92
RFQ
WATTS -

BD1156F Series Boiler Feed Water Pressure Regulators

StyleModelInlet SizeOutlet SizeMax. Operating Temp.Inlet TypeOutlet TypeInlet Thread TypeMax. Working PressureDisc MaterialPrice
ABD1156F (W/PRESS) 1/21/2"1/2"100°CPressPressNot Applicable6.9 BarEpdm-70 Duro Peroxide Cured€150.46
B1/2 SBD1156F1/2"1/2"100°CUnion SolderFemale ThreadedNot Applicable6.9 BarNot Applicable€173.71
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
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 -

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 26AB1/4"1/4"3 psi to 50 psi3 psi to 50 psi4 3/8"2 1/8"140°F-€126.35
A1/4 LF 26AA1/4"-1 psi to 25 psi1 psi to 25 psi4 3/8"2 1/8"140°F-€127.92
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
ASS263A A 1 251/2"1/2"1 psi to 25 psi1 psi to 25 psi140°F1/4"4 3/8"2 1/8"€1,319.83
ASS 263 A D 20 1751/2"1/2"20 psi to 175 psi20 psi to 175 psi140°F1/4"4 3/8"2 1/8"€1,316.18
A1/2 SS 263A E 100 3001/2"1/2"100 psi to 300 psi100 psi to 300 psi140°F1/4"4 3/8"2 1/8"€1,299.96
A1/4 SS 263 A 1 251/4"1/4"1 psi to 25 psi1 psi to 25 psi140°F1/4"4 3/8"2 1/8"€1,321.16
A1/4 SS 263 A 3 501/4"1/4"3 psi to 50 psi3 psi to 50 psi140°F1/4"4 3/8"2 1/8"€1,345.94
A1/4 SS 263 A 10 1251/4"1/4"10 psi to 125 psi10 psi to 125 psi140°F1/4"4 3/8"2 1/8"€1,418.63
A1/4 SS 263 A 100 3001/4"1/4"100 psi to 300 psi100 psi to 300 psi140°F1/4"4 3/8"2 1/8"€1,326.47
A3/8 SS263A 1 253/8"3/8"1 psi to 25 psi1 psi to 25 psi140°F1/4"4 3/8"2 1/8"€1,274.89
A3/8 SS 263A 3 503/8"3/8"3 psi to 50 psi3 psi to 50 psi140°F1/4"4 3/8"2 1/8"€1,283.15
A3/8 SS 263A 10 1253/8"3/8"10 psi to 125 psi10 psi to 125 psi140°F1/4"4 3/8"2 1/8"€1,314.52
A3/8 SS 263A 20 1753/8"3/8"20 psi to 175 psi20 psi to 175 psi140°F1/4"4 3/8"2 1/8"€1,523.67
A3/8 SS 263A 100 3003/8"3/8"100 psi to 300 psi100 psi to 300 psi140°F1/4"4 3/8"2 1/8"€1,198.63
WATTS -

Regulators

StyleModelDisc MaterialOverall HeightOverall WidthPrice
AR119-02CG---€282.21
BLFU5B-LP-Z3 1EPDM7 3/8"4"€4,550.38
WATTS -

Small Pressure Regulator, 1/2 Inch Size

ModelItemPrice (ex. VAT)
SS263RS-20-175BP2MPV€1,072.68
WATTS -

Pressure Regulator, FNPT x FNPT, 1/8 in Pipe, Brass, 0 to 125 PSI, 140 Deg F Max. Op Temp

ModelItemPrice (ex. VAT)
1/8 LF560 0-125AB8QYG€177.99
WATTS -

Boiler Feed Water Pressure Regulator

ModelItemPrice (ex. VAT)
1/2 B911 (PRESS XTHD)DZ9MKK-
RFQ
12