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 -

LF560 Series Water Pressure Reducing Valves

StyleModelOutlet SizeMin. Temp.Inlet SizeAdjustable Reduced Pressure RangeInlet Thread TypeDisc MaterialMax. Working PressurePressure Adjustment RangePrice
A1/4 LF560G 0-1251/4"0°F1/4"0 Bar to 8.61 BarNPTBuna N300 psi0 psi to 125 psi€195.85
B1/4 LF560 0-1251/4"33°F1/4"0 Bar to 8.61 BarFPTBuna-N300 psi0 psi to 125 psi€169.60
BLF560 0-60 1/41/4"0.6°C-0 Bar to 4.13 BarFPTBuna N21 Bar-€250.61
B1/8 LF560 0-251/8"33°F1/8"0 Bar to 1.72 BarFPTBuna-N-0 psi to 25 psi€186.72
B1/8 LF560 0-601/8"33°F1/8"0 Bar to 4.13 BarFPTBuna-N21 Bar0 psi to 60 psi€184.89
ALF560G-0-125 1/81/8"0.5°C1/8"0 Bar to 8.61 BarNPTBuna N20.7 Bar-€401.11
StyleModelInlet SizeOutlet SizeMin. Temp.Max. Working PressureValve DesignInlet ConnectionOutlet ConnectionAdjustable Reduced Pressure RangePrice
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-110 33"3"33°F125 psiStandardFlanged JointFlanged Joint50 psi to 100 psi€13,767.73
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 -

1156F Series Boiler Feed Water Pressure Regulators

StyleModelMax. Operating Temp.Connection TypeMax. Working PressureInlet TypeOverall WidthInlet SizeOutlet SizeMin. Temp.Price
ASB1156F212°FFemale Solder100 psiUnion Joint4 3/8"1/2"1/2"33°F€229.82
BTB1156F212°FFNPT6.8 BarFemale Threaded4 1/8"1/2"1/2"33°F€201.55
StyleModelMin. Temp.Max. Operating Temp.Inlet SizeOutlet SizeMax. Working PressureAdjustable Reduced Pressure RangeTypeMax. Temp.Price
A252A 3-15 3/40.5°C149°C--20.7 Bar0.2 Bar to 1.03 Bar--€2,380.69
A252AT 30-140 3/40.5°C204°C3/4"-14 Bar2.06 Bar to 9.65 Bar--€2,619.08
A252AT 30-140 1/20.5°C204°C1/2"1/2"20.7 Bar30 psi to 140 psiStandard-€2,354.73
A252A 10-50 1/233°F-1/2"1/2"300 psi10 psi to 50 psiStandard300°F€1,998.67
A252AT 3-15 1/233°F400°F1/2"1/2"300 psi3 psi to 15 psiStandard-€2,354.73
A252A 30-140 3/433°F300°F--20.7 Bar30 to 140--€2,380.69
A252AT 10-30 3/433°F204°C--14 Bar--400°F€2,619.08
A252A 10-50 133°F-1"1"300 psi10 psi to 50 psiKit-€2,889.55
RFQ
A252A 30-140 133°F300°F1"1"300 psi30 psi to 140 psiKit-€2,889.55
RFQ
A252AT 3-15 3/433°F204°C3/4"-14 Bar--400°F€2,619.08
A252A 30-140 1/233°F300°F1/2"1/2"300 psi30 psi to 140 psiStandard-€1,998.67
A252A 3-15 1/233°F300°F1/2"1/2"300 psi3 psi to 15 psiStandard300°F€1,998.67
A252AT 10-50 1/233°F400°F1/2"1/2"300 psi10 psi to 50 psiStandard-€2,198.87
A252A 10-50 3/433°F300°F--20.7 Bar--300°F€3,593.02
A252A 10-30 1/233°F149°C1/2"1/2"300 psi10 psi to 30 psiStandard-€1,998.67
StyleModelInlet SizeOutlet SizeMin. Temp.Max. Working PressureAdjustable Reduced Pressure RangeValve DesignInlet TypeOutlet TypePrice
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 1/21 1/2"1 1/2"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€7,048.92
RFQ
A127SS-206 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-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-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-208 11"1"33°F250 psi50 psi to 100 psiStandardFemale ThreadedFemale Threaded€5,577.40
RFQ
A127SS-208 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 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 -

1156F Series Pressure Regulators

StyleModelMax. Working PressureInlet SizeOutlet SizeMax. Operating Temp.Min. Temp.Max. Temp.Pressure Adjustment RangeSeal MaterialPrice
AB1156F-1/2"1/2"212°F-212°F10 psi to 25 psiBuna N€114.15
B1156F-A-1/2"1/2"212°F-212°F10 psi to 25 psiBuna N€133.19
CB1156F (W/PRESS) 1/2100 psi1/2"1/2"212°F33°F212°F--€165.17
WATTS -

Regulators

StyleModelMax. Operating Temp.Disc MaterialOverall HeightOverall WidthPrice
AR119-02CG----€282.21
BLFU5B-LP-Z3 1180°FEPDM7 3/8"4"€4,247.02
WATTS -

Pressure Regulators

StyleModelInlet SizeOutlet SizeMax. Operating Temp.Max. Temp.Pressure Adjustment RangeGauge Port SizeOverall HeightOverall WidthPrice
AP601/4"1/4"150°F150°F0 psi to 125 psi1/4"2 7/8"1 9/16"€130.62
BLFH560G 3/43/4"3/4"140°F140°F10 psi to 60 psi1/8"2"3"€236.08
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"212°FPressPressNot 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
StyleModelPressure Adjustment RangeInlet SizeOutlet SizeMax. Operating Temp.Max. Temp.Gauge Port SizeOverall HeightOverall WidthPrice
A1/2 SS263AP-M1-AB 3-50 PSI3 psi to 50 psi1/2"1/2"140°F140°F1/4"4 3/4"2 1/8"€1,688.89
A1/2 SS263AP-M1-A-C 10-125PSI10 psi to 125 psi1/2"1/2"140°F140°F1/4"4 3/4"2 1/8"€1,140.60
StyleModelOutlet SizeInlet SizeAdjustable Reduced Pressure RangeInlet Thread TypeMax. Working PressureTrim MaterialDisc MaterialPressure Adjustment RangePrice
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 BrassBuna-N10 psi to 125 psi€334.18
ALF26A 3-50 1/21/2"1/2"0.7 Bar to 1.7 BarNPT20.7 BarBronzeBuna N-€369.78
ALF26A 1-25 1/21/2"1/2"0 Bar to 1.72 BarNPT300 psiLead Free BrassBuna N-€369.78
ALF26A 1-25 1/41/4"-1 psi to 25 psiNPT300 psiNot ApplicableBuna N-€284.98
ALF26A 10-125 1/41/4"-0.7 Bar to 8.6 BarNPT300 psiNot ApplicableBuna N-€284.98
ALF26A 1-25 1/81/8"1/8"1 psi to 25 psiFPT300 psiNot Applicable--€305.61
ALF26A 3-50 1/81/8"1/8"0.2 Bar to 3.4 BarFPT300 psiNot ApplicableBuna-N-€284.98
ALF26A 3-50 3/83/8"3/8"0.2 Bar to 3.4 BarNPT300 psiLead Free BrassBuna N-€284.98
A3/8 LF26A 50-1753/8"3/8"50 to 175NPT300 psiNot ApplicableBuna-N50 psi to 175 psi€155.72
ALF26A 10-125 3/83/8"3/8"0.7 Bar to 2.4 BarNPT300 psiBronzeBuna N-€284.98
ALF26A 1-25 3/83/8"3/8"1 psi to 25 psiNPT300 psiNot ApplicableBuna N-€284.98
ALF26A-V 3/83/8"3/8"0.2 Bar to 3.4 BarNPT20.7 Bar---€344.58
WATTS -

LF263A Series Water Pressure Reducing Valves

StyleModelInlet SizeOutlet SizeAdjustable Reduced Pressure RangeInlet Thread TypeMax. Working PressureDisc MaterialPressure Adjustment RangeGauge Port SizePrice
ALF263A-G 10-125 1/2---------
RFQ
BLF263AP--------€149.71
RFQ
CLF263AP 1/2 20-175--1.4 Bar to 12.1 BarNPT27.6 BarBuna-N--€795.72
DLF263A 50-175------50 psi to 175 psi1/4"€300.93
ELF263A 1-25 1/21/2"1/2"1 psi to 25 psiNPT300 psiBuna N--€397.29
FLF263A-G 1-25 1/21/2"1/2"1 psi to 25 psiFPT20.7 Bar---€575.33
ELF263A 3-50 1/21/2"1/2"0.2 Bar to 3.4 BarNPT300 psiBuna N--€397.29
GLF263AP 20-175 1/21/2"1/2"1.4 Bar to 12.1 BarNPT27.6 BarBuna-N20 psi to 175 psi1/2"€670.74
ELF263A 10-125 1/21/2"1/2"0.7 Bar to 8.6 BarNPT300 psiBuna N--€1,081.76
E1/2 LF263A 50-1751/2"1/2"3.4 Bar to 11.9 BarNPT300 psiBuna N50 psi to 175 psi1/4"€314.23
ALF263A-G 3-50 1/21/2"1/2"0.2 Bar to 3.4 BarFPT300 psi---€575.33
ELF263A 10-125 1/41/4"1/4"0.7 Bar to 8.6 BarNPT20.7 BarBuna N--€310.19
ELF263A-V 1/41/4"1/4"0.2 Bar to 3.4 BarFPT300 psi---€369.03
ALF263A-G 10-125 1/41/4"1/4"0.7 Bar to 8.6 BarFPT300 psi---€482.11
ELF263A 3-50 1/41/4"1/4"0.2 Bar to 3.4 BarNPT20.7 BarBuna N--€310.19
E1/4 LF263A-1-251/4"1/4"1 psi to 25 psiNPT-Buna-N1 psi to 25 psi1/4"€478.67
ELF263A 50-175 1/41/4"1/4"50 psi to 175 psiFPT300 psi---€310.19
E3/8 LF263A 50-1753/8"3/8"50 to 175FPT--50 psi to 175 psi3/8"€448.97
ALF263A-G 10-125 3/83/8"3/8"0.7 Bar to 8.6 BarNPT300 psiBuna N--€482.11
E3/8 LF263A 10-1253/8"3/8"0.7 Bar to 8.6 BarNPT20.7 BarBuna-N10 psi to 125 psi1/4"€321.49
ELF263A 1-25 3/83/8"3/8"1 psi to 25 psiNPT300 psiBuna N--€310.19
ELF263A 3-50 3/83/8"3/8"0.2 Bar to 3.4 BarNPT300 psiBuna N--€310.19
StyleModelInlet SizeOutlet SizePressure Adjustment RangeMax. Operating Temp.Max. Temp.Gauge Port SizeOverall HeightOverall WidthPrice
ASS263A A 1 251/2"1/2"1 psi to 25 psi140°F140°F1/4"4 3/8"2 1/8"€1,231.84
ASS 263 A D 20 1751/2"1/2"20 psi to 175 psi140°F140°F1/4"4 3/8"2 1/8"€1,228.43
A1/2 SS 263A E 100 3001/2"1/2"100 psi to 300 psi140°F140°F1/4"4 3/8"2 1/8"€1,213.29
A1/4 SS 263 A 3 501/4"1/4"3 psi to 50 psi140°F140°F1/4"4 3/8"2 1/8"€1,256.22
A1/4 SS 263 A 1 251/4"1/4"1 psi to 25 psi140°F140°F1/4"4 3/8"2 1/8"€1,233.09
A1/4 SS 263 A 10 1251/4"1/4"10 psi to 125 psi140°F140°F1/4"4 3/8"2 1/8"€1,324.06
A1/4 SS 263 A 100 3001/4"1/4"100 psi to 300 psi140°F140°F1/4"4 3/8"2 1/8"€1,238.04
A3/8 SS 263A 100 3003/8"3/8"100 psi to 300 psi140°F140°F1/4"4 3/8"2 1/8"€1,118.73
A3/8 SS263A 1 253/8"3/8"1 psi to 25 psi140°F140°F1/4"4 3/8"2 1/8"€1,189.90
A3/8 SS 263A 3 503/8"3/8"3 psi to 50 psi140°F140°F1/4"4 3/8"2 1/8"€1,197.61
A3/8 SS 263A 10 1253/8"3/8"10 psi to 125 psi140°F140°F1/4"4 3/8"2 1/8"€1,226.89
A3/8 SS 263A 20 1753/8"3/8"20 psi to 175 psi140°F140°F1/4"4 3/8"2 1/8"€1,422.09
StyleModelOutlet SizeInlet SizeMax. Working PressureStrainerInlet Thread TypeDisc MaterialMin. Temp.Max. Operating Temp.Price
ALF215M1 0-20 1/41/4"-300 psiYesNPT-0°F120°F€763.25
ALF215M1 0-8 1/41/4"-300 psiNoNPT-0°F120°F€763.25
A1/4 LF215M1 0-501/4"1/4"20.7 BarNoNPTReinforced EPDM0°F120°F€807.97
A3/8 LF215M1 0-503/8"3/8"300 psiYesNPTBuna N0°F120°F€847.83
ALF215M1 0-20 3/83/8"3/8"300 psiYesNPT-0°F120°F€819.03
ALF215M0-8 3/83/8"3/8"300 psiYesFPT-0°F120°F€819.03
WATTS -

LF26A Series Water Pressure Regulators, Lead Free

StyleModelInlet SizeOutlet SizePressure Adjustment RangeMax. Operating Temp.Overall HeightOverall WidthMax. Temp.Gauge Port SizePrice
A1/2 LF 26AA1/2"1/2"1 psi to 25 psi140°F4 3/8"2 1/8"140°F-€278.78
A1/2 LF 26AB1/2"1/2"3 psi to 50 psi140°F4 3/8"2 1/8"140°F-€262.65
B1/2 LF 263AB1/2"1/2"3 psi to 50 psi140°F4 3/8"2 1/8"-1/4"€224.84
A1/4 LF 26AA1/4"-1 psi to 25 psi140°F4 3/8"2 1/8"140°F-€127.92
A1/4 LF 26AB1/4"1/4"3 psi to 50 psi140°F4 3/8"2 1/8"140°F-€126.35
A3/8 LF 26AB3/8"3/8"3 psi to 50 psi140°F4 3/8"2 1/8"140°F-€138.26
B3/8 LF 263 A-B3/8"3/8"3 psi to 50 psi140°F4 3/8"2 1/8"-1/4"€309.71
StyleModelInlet SizeOutlet SizePressure Adjustment RangeMax. Operating Temp.Max. Temp.Gauge Port SizeOverall HeightOverall WidthPrice
A1/2 LF 263A-A 1-25 PSI1/2"1/2"1 psi to 25 psi140°F140°F1/4"4 3/8"2 1/8"€318.09
A1/4 LF 263A-B3-50PSI1/4"-3 psi to 50 psi140°F140°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 psi140°F140°F1/4"4 3/8"2 1/8"€340.65
WATTS -

152SS Series Steam Pressure Regulators

StyleModelInlet SizeOutlet SizeMax. Operating Temp.Pressure Adjustment RangeConnection TypeMax. Working PressureAdjustable Reduced Pressure RangeMin. Temp.Price
A152SS-10-50 11"1"420°F10 psi to 50 psiFNPT x FNPT300 psi10 psi to 50 psi33°F€17,076.87
B152SS 3-151/2"1/2"420°F3 psi to 15 psiFNPT x FNPT---€15,734.10
A152SS-30-140 1/21/2"1/2"420°F30 psi to 140 psiFNPT x FNPT300 psi30 psi to 140 psi33°F€14,750.71
A152SS-10-50 3/43/4"3/4"216°C10 psi to 50 psiFNPT20.7 Bar-33°F€15,881.27
A152SS-30-140 3/43/4"3/4"420°F30 psi to 140 psiFNPT x FNPT20.7 Bar-33°F€16,301.44
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
AP60M1-4-0-600 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 -

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 -

Small Pressure Regulator, 1/2 Inch Size

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

Boiler Feed Water Pressure Regulator

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