Water Pressure Reducing Valves

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Water pressure reducing valves are devices used in plumbing systems to control and reduce the pressure of water flowing through pipes. They are installed where the incoming water pressure from the municipal supply is too high and needs to be regulated to prevent damage to the plumbing system an...d appliances.Read more

WATTS -

152A Series, Process Steam Pressure Regulator, Iron, 10 to 30 psi

The 152A Series process steam pressure regulators manufactured by Watts are designed to control steam pressure in oil lines, autoclaves, vulcanisers, steam irons and single radiators. These regulators offer highly sensitive responses to reduced pressure changes and maintain fullest possible fluid volume with minimal pressure drop. These pressure reducing valves are capable of bearing supply pressures up to 200 psi. Watts pressure regulators are made of iron and feature a stainless-steel screener, a disc, a stem guide and a sensitivity adjuster to eliminate vibrations caused by critical flow conditions. For different applications, these Watts pressure regulator valves have NPT threaded female inlet and outlet connection ports that can fit into pipes of up to 1-inch diameter.

StyleModelHeightLengthPipe SizePressure Adjustment RangePrice (ex. VAT)
A152A 10-508 15/16"6"1/2"10 to 50 psi€1,623.33
A152A 10-508 15/16"6"3/4"10 to 50 psi€1,956.47
A152A 10-309 11/16"7.5"1"10 to 30 psi€2,553.99
A152A 10-309 11/16"7.5"1.25"10 to 30 psi€3,262.42
StyleModelHeightLengthPipe SizePrice (ex. VAT)
A152A 3-158 15/16"6"1/2"€1,530.60
A152A 3-158 15/16"6"3/4"€1,862.57
A152A 3-159 11/16"7.5"1"€2,461.21
A152A 3-159 11/16"7.5"1.25"€3,144.04
WATTS -

Water Pressure Reducing Valve, Lead Free Copper Silicon Alloy, 25 to 75 psi

StyleModelConnection TypeHeightLengthPipe SizePrice (ex. VAT)
ALFU5B-Z3FNPT12.25"10.875"2"€3,523.76
BLFN45BM1-DU-CPVCUnion x Joint6.25"5.187"1"€161.32
CLFN45BM1-DUUnion x Joint6.25"4.875"1"€427.41
BELL & GOSSETT -

Water Pressure Reducing Valve, Brass, 10 to 25 psi

StyleModelHeightLengthPipe SizePrice (ex. VAT)
AFB-384 13/16"3 1/16"1/2"€160.94
BB7-124 15/16"3"3/4"€213.29
CF-36"6.437"1/2"€347.61
WATTS -

Water Pressure Reducing Valves

StyleModelItemOutlet SizeLengthBody MaterialDisc MaterialHeightInlet SizeInlet TypePrice (ex. VAT)
A1/2 1156F-PRESSPressure Regulator-------€251.89
BLF127W-206Water Pressure Reducing Valve-8"--19.875"--€15,865.62
C11/2 LF 223Water Pressure Reducing Valve-------€2,279.40
D1/2 LFN45BM1-PRESSWater Pressure Reducing Valve-------€353.47
D1 LFN45BM1-PRESSWater Pressure Reducing Valve-------€430.94
E1/2" LFN55BM1-DU-PEXWater Pressure Reducing Valve-------€309.18
F1" LFN55BM1-UWater Pressure Reducing Valve-------€327.09
G1" LFN55BM1-DU-PEXWater Pressure Reducing Valve-------€324.26
H1/2 LF U5BZ3Water Pressure Reducing Valve-------€587.15
ILFU5B-LP-Z3Water Pressure Reducing Valve-10.875"--12.25"--€6,555.72
J3/4 LF 223Water Pressure Reducing Valve-------€604.11
C1 LF 223Water Pressure Reducing Valve-------€931.99
KLF5BM3-HP-Z6 3/4Water Pressure Reducing Valve3/4"-BrassReinforced EPDM-3/4"Female Threaded€1,015.05
LLFN223FM2 3Water Pressure Reducing Valve3"-Lead Free Copper Silicon AlloyEPDM-3"Flanged Joint€6,909.31
RFQ
MLF5M3-Z6 3/4Water Pressure Reducing Valve3/4"-BronzeBuna-N-3/4"Male Threaded€453.21
NLFX65BU-PEX-RIK 1/2Water Pressure Reducing Valve--Lead Free Copper Silicon AlloyReinforced EPDM-1/2"-€197.08
RFQ
OLFX65BU 1/2Water Pressure Reducing Valve1/2"-Lead Free Copper Silicon AlloyEPDM-1/2"Female Threaded€174.11
D3/4 LFN45BM1-PRESSWater Pressure Reducing Valve-------€364.63
WATTS -

LF223 Series High Capacity Water Pressure Reducing Valves

StyleModelTrim MaterialLengthAdjustable Reduced Pressure RangeDisc MaterialHeightHigh Pressure Reduced Pressure RangeInlet SizeInlet Thread TypePrice (ex. VAT)
ALF223-LP 3/4---Reinforced EPDM--3/4"-€1,463.90
BLF223-S-HP 3/4---Reinforced EPDM--3/4"-€1,891.39
CLF223-S-B 1/2--25 to 75 psiEPDM--1/2"NPT€1,674.70
DLF223-HP 1/2--50 to 145 psiEPDM-50 to 145 psi1/2"NPT€1,461.94
CLF223-S-LP 1/2--10 to 35 psiEPDM--1/2"NPT€1,994.30
CLF223-S-HP 1/2--50 to 145 psiEPDM-50 to 145 psi1/2"NPT€1,994.30
DLF223-LP 1/2---EPDM--1/2"NPT€1,461.94
CLF223-S 1/2--25 to 75 psiEPDM--1/2"NPT€640.31
DLF223-B-HP 1/2--50 to 145 psiEPDM-50 to 145 psi1/2"NPT€1,533.52
CLF223-S-B-HP 1/2--50 to 145 psiEPDM-50 to 145 psi1/2"NPT€1,957.10
DLF223-B 1/2--25 to 75 psiEPDM--1/2"NPT€1,229.56
ELF223-LP 2 1/2--10 to 35 psiEPDM--2 1/2"FPT€9,693.20
RFQ
BLF223-S-B-LP 3/4---Reinforced EPDM--3/4"-€1,994.30
ALF223-B 3/4---Reinforced EPDM--3/4"-€1,229.56
F2 LF 223-8"--9.5"---€3,068.24
F11/4 LF 223-5"--8.75"---€1,574.85
G1/2 LF 223-4.25"--8.25"---€494.15
ALF223-B-LP 3/4---Reinforced EPDM--3/4"-€1,606.85
DLF223-B-LP 1/2--10 to 35 psiEPDM--1/2"NPT€1,533.52
BLF223-S-LP 3/4---Reinforced EPDM--3/4"-€1,994.30
BLF223-S-B-HP 3/4---Reinforced EPDM--3/4"-€2,492.42
BLF223-S-Z3 3/4---Reinforced EPDM--3/4"-€1,755.09
ALF223-B-Z3 3/4---Reinforced EPDM--3/4"-€1,344.27
HLF223 1 1/2Bronze-25 to 75 psiEPDM--1 1/2"NPT€1,919.73
RFQ
DLF223 1/2Bronze-25 to 75 psiEPDM--1/2"NPT€483.73
StyleModelPrice (ex. VAT)
A36C20301PR€296.38
A36C10401X€134.32
A36C105G2€424.12
A36C10530€403.94
A36C10503€403.94
A36C105G1€403.94
A36C104P3€357.01
A36C10502€403.94
A36C104P2€355.51
A36C104P1€340.14
A36C104G3€337.88
A36C104G2€365.07
A36C104G1€321.79
A36C10403€321.79
A36C10401€122.48
A36C103P3€342.48
A36C10402€128.57
A36C20401PR€289.32
A36C10301€144.07
A36C20501PR€377.11
A36C90501€314.96
A36C90402€358.66
A36C904G1€358.64
A36C10501€162.14
A36C40401€229.15
ZURN -

NR3XL Water Pressure Reducing Valves

StyleModelPrice (ex. VAT)
A112-NR3XLDU€969.92
B1-NR3XLR€261.49
B34-NR3XLHRSC€202.11
C34-NR3XLDUR€216.70
D34-NR3XLDUPEX€190.66
E34-NR3XLDULUP€185.45
F34-NR3XLDULU€160.96
G34-NR3XLDUC€189.60
C34-NR3XLDU€189.60
H34-NR3XL€174.51
I2-NR3XLDULU€883.98
J2-NR3XLDUC€1,379.88
K2-NR3XLDU€1,201.73
L1-NR3XLDUR€280.25
M114-NR3XL€557.37
N1-NR3XLDUPEXF1960€268.79
E1-NR3XLDULUP€256.28
O1-NR3XLDUC€243.79
L1-NR3XLDU€244.83
B1-NR3XLC€226.60
F12-NR3XLDULU€159.92
B12-NR3XLDUC€189.60
B114-NR3XLHRSC€627.17
P114-NR3XLDULU€497.47
Q114-NR3XLDUC€627.17
StyleModelPrice (ex. VAT)
A3650402€491.68
A3650301€468.26
A36408P3€2,249.01
A36408G1€2,146.87
A36408P2€2,249.01
A36408P1€2,146.81
A364S4G1€504.69
A364S5G1€614.85
A364S5G3€699.41
A364S701€1,293.27
A364S7G1€1,336.57
A364S8P3€2,351.29
A3650302€491.68
A36203G1€344.18
A3640803€2,146.81
A36305G2€521.95
A36305P3€521.97
A36305G3€521.95
A36305P2€521.97
A3630601€611.72
A3630603€763.06
A36305P1€498.26
A3630602€763.06
A36306G3€799.42
A36306G2€799.42
CASH ACME -

Pressure Regulating Valves

StyleModelLengthPipe SizePrice (ex. VAT)
AEB-45U4"1/2"€124.76
BEB-45U4.156"3/4"€126.30
ZURN -

500XL3 Water Pressure Reducing Valves

StyleModelPrice (ex. VAT)
A4-500XL3F€7,333.30
RFQ
A4-500XL3FHR€7,737.52
RFQ
B4-500XL3FY€8,279.26
RFQ
ZURN -

500XLFC Water Pressure Reducing Valves

StyleModelPrice (ex. VAT)
A3-500XLFC€5,487.74
B3-500XLFCHR€5,838.83
ZURN -

70XL Water Pressure Reducing Valves

StyleModelPrice (ex. VAT)
A1-70XLC€283.90
B1-70XLCP€307.85
RFQ
C34-70XLC€206.80
D34-70XLCP€227.12
RFQ
E34-70XLDM€232.85
RFQ
ZURN -

20XL Pressure Reducing Valves

StyleModelPrice (ex. VAT)
A34-20XLDULU€140.12
B1-20XLDULU€182.32
ZURN -

600XL Water Pressure Reducing Valves

StyleModelPrice (ex. VAT)
A34-600XLLUCHSC€326.09
B114-600XLC€701.14
C12-600XLC€266.18
D12-600XLHR€289.63
B1-600XLC€358.90
E34-600XLC€266.70
F34-600XLG€306.29
G34-600XLHRLU€300.05
H34-600XLLPV€293.27
I34-600XLSC€283.37
WATTS -

LFN45B-L Series Water Pressure Reducing Valves

StyleModelOutlet SizeMaterialBody MaterialDisc MaterialInlet ConnectionInlet SizeInlet TypeLengthPrice (ex. VAT)
ALFN45BM1-DU-Lead Free Copper Silicon Alloy-----4 1/16"€204.31
BLFN45BM1-DU-CPVC-Lead Free Copper Silicon Alloy-----4.25"€157.22
CLFN45BM1-DU 11"-Lead Free Copper Silicon AlloyElastomer-1"Union Joint-€375.53
DLFN45BM1-DU-EZ-GG 11"Stainless SteelLead Free Copper Silicon AlloyElastomerFemale Threaded1"Female Threaded-€553.99
DLFN45BM1-DU-EZ-G 11"Stainless SteelLead Free Copper Silicon AlloyElastomerUnion Female Threaded1"Union Joint-€390.22
ELFN45BU 1 1/21-1/2"Stainless SteelBrassReinforced EPDMUnion Joint1 1/2"Union Joint-€1,230.53
RFQ
FLFN45B (W/PRESS) 1 1/21-1/2"Stainless SteelLead Free Cast Copper Silicon AlloyEPDMPress1 1/2"Press-€1,236.93
RFQ
GLFN45B-DU 1 1/41-1/4"Stainless SteelBrassReinforced EPDMUnion Joint1 1/4"Union Joint-€896.19
RFQ
HLFN45B-DU-S 1 1/41-1/4"Stainless SteelLead Free Copper Silicon AlloyEPDMFemale Threaded1 1/4"Female Threaded-€834.41
RFQ
ILFN45B (W/PRESS) 1 1/41-1/4"Stainless SteelLead Free Cast Copper Silicon AlloyEPDMPress1 1/4"Press-€799.73
RFQ
ILFN45B (W/PRESS) 22"Stainless SteelLead Free Cast Copper Silicon AlloyEPDMPress2"Press-€1,679.83
RFQ
JLFN45BM1-DU-PEX X PEX3/4"Lead Free Copper Silicon AlloyLead Free Copper Silicon AlloyElastomer-3/4"Crimped4.375"€199.91
CLFN45BM1-DU 3/43/4"-Lead Free Copper Silicon AlloyElastomer-3/4"Union Joint-€287.31
KLFN45BM1-DU-EZ-G 3/43/4"-Lead Free Cast Copper Silicon AlloyElastomer-3/4"Union Joint-€361.81
LLFN45BM1-DU-EZ-GG 3/43/4"-Lead Free Cast Copper Silicon AlloyElastomer-3/4"Union Joint-€471.64
ZURN -

500XL Water Pressure Reducing Valves

StyleModelPrice (ex. VAT)
A112-500XLHLR€1,583.55
B1-500XLHLR€497.47
C1-500XLHR€483.92
D212-500XLHR€3,173.35
E3-500XLHLR€4,186.00
F3-500XLHR€4,069.83
ZURN -

Water Pressure Reducing Valves

StyleModelHeightItemLengthPipe SizePrice (ex. VAT)
A3-500XLFCBP-Pressure Reducing Valve--€5,659.11
B1-20XL-Water Pressure Reducing Valve--€229.66
C34-20XL-Water Pressure Reducing Valve--€211.81
C34-20XLC-Water Pressure Reducing Valve--€211.81
D34-20XLDU-Water Pressure Reducing Valve--€224.35
E34-20XLPEX-Water Pressure Reducing Valve--€205.42
F1-70XLDUC-Water Pressure Reducing Valve--€360.22
G112-NR3XLDULU-Water Pressure Reducing Valve--€1,326.16
H1-600XLHR-Water Pressure Reducing Valve--€738.70
I1-NR3XLDULU-Water Pressure Reducing Valve--€307.94
I12-NR3XL-Water Pressure Reducing Valve--€271.43
J34-NR3XLHRSCDU-Water Pressure Reducing Valve--€449.42
K34-NR3XLDUPEXF1960-Water Pressure Reducing Valve--€305.73
L12-P1500XL-Valve--€125.78
M2-600XLHLR-Water Pressure Reducing Valve--€1,524.69
N34-600XLDM-Water Pressure Reducing Valve--€595.47
O3-500XL3-Pressure Reducing Valve--€6,425.78
P34-20XLEPEX-Water Pressure Reducing Valve--€205.42
Q212-500XLFC-Water Pressure Reducing Valve--€6,711.96
I1-20XLDUC-Water Pressure Reducing Valve--€240.39
R34-20XLDUC-Water Pressure Reducing Valve--€224.35
S1-70XL-Water Pressure Reducing Valve--€334.55
T34-70XLDUC-Water Pressure Reducing Valve--€291.29
U112-NR3XL-Water Pressure Reducing Valve--€1,355.61
J1-NR3XL-Water Pressure Reducing Valve--€374.97
StyleModelPrice (ex. VAT)
A36ELF11601T€686.53
A36ELF11503S€473.69
A36ELF11701TB€854.03
A36ELF11701T€748.55
A36ELF11701S€748.55
A36ELF11601TB€792.03
A36ELF11601S€686.53
A36ELF11501TB€498.39
A36ELF11503T€469.91
A36ELF11601SB€792.03
A36ELF11501SB€493.89
A36ELF11501P€435.12
A36ELF117P3T€823.39
A36ELF11703S€785.98
A36ELF11701SB€854.03
A36ELF11603S€720.86
A36ELF11501X€417.84
A36ELF11703T€785.98
StyleModelPrice (ex. VAT)
A36CLF10303€372.05
A36CLF10302€372.05
A36CLF404G3€480.40
A36CLF103P1€375.99
A36CLF10402€394.03
A36CLF20501€422.70
A36CLF30301€353.99
A36CLF30401€145.45
A36CLF30403€371.82
A36CLF30503€484.42
A36CLF40301€418.27
A36CLF404P1€439.16
A36CLF104G1€416.50
A36CLF10401€130.71
A36CLF10502€494.66
A36CLF105G1€512.32
A36CLF105G2€537.93
A36CLF30302€371.82
A36CLF40402€434.66
A36CLF40401€418.27
A36CLF40303€434.66
A36CLF20402€336.94
A36CLF10501€178.30
A36CLF20301€323.65
A36CLF50501€521.11
WATTS -

LFRC105 Series Water Pressure Reducing Valves

StyleModelInlet SizeOutlet ConnectionBody MaterialInlet TypeMax. Working PressureMin. Temp.Disc MaterialOutlet SizePrice (ex. VAT)
ARC105-CEFXCEF 11"Pex ExpansionLead Free Cast Copper Silicon AlloyPex Expansion300 PSI180° FEPDM1"€167.50
BLFRC105-PEXXPEX 11"CrimpedLead Free Cast Copper Silicon AlloyCrimped300 PSI33° FElastomer1"€167.50
CLFRC105-THDXUT 11"Female ThreadedLead Free Cast Copper Silicon AlloyFemale Threaded300 PSI33° FElastomer1"€168.44
DLFRC105-THDXUT 3/43/4"-Lead Free Copper Silicon AlloyFemale Threaded20.7 Bar33 Degree FElastomer3/4"€118.31
ERC105-CEFXCEF 3/43/4"-Lead Free Cast Copper Silicon AlloyPex Expansion20.1 Bar33 Degree FEPDM - 70 Duro Peroxide Cured3/4"€117.83
FLFRC105-PEXXPEX 3/43/4"-Lead Free Copper Silicon AlloyCrimped20.7 Bar33 Degree FElastomer3/4"€117.83

Water Pressure Reducing Valves

Raptor Supplies offers a wide range of water pressure reducing valves or regulators designed to control the influx of water supply pressure and reduce it, from brands like Apollo, Watts, Bell & Gossett, Taco, Wilkins and Cash Acme. These water pressure reducing valves are ideal for house plumbing lines, pipe fittings and low pressure pipelines. Apollo 36ELF, 36H, 36 HLF and 36LF Series valves feature low lead or lead free bronze construction with a stainless-steel adjusting screw and dielectric cage for superior corrosion resistance. The pressure ranges between 15 and 75 PSI. These Apollo valves have FNPT connections and are designed according to ASSE and CSA standards for ensuring reliable operation. They are available in 1/2 inch to 3 inch pipe sizes. Watts offers pressure reducing valves in iron, bronze, lead free brass, lead free copper and lead free copper silicon variants for valves with pressure ranging between 3 and 140 PSI. 152A Series steam pressure regulators by Watts are used in oil lines, autoclaves, steam irons and single radiators. These steam regulators provide highly sensitive pressure response with minimal pressure drop. These 152A Series valves feature FNPT threaded inlet and outlet ports for pipe sizes up to 1 inch in diameter.

Working Mechanism

  • Locate the water pressure reducing valve. It is installed near the main water line where it enters the building.
  • Identify the adjustment mechanism on the valve. It is usually a screw or a knob located on top or at the side of the valve.
  • Using a screwdriver or wrench, turn the adjustment screw or knob clockwise to increase the outlet pressure or counterclockwise to decrease it.
  • Make small adjustments and periodically check the outlet pressure using a pressure gauge.
  • Once you have set the desired outlet pressure, ensure that the adjustment mechanism is securely tightened to prevent unintentional changes.

Features

Wilkins Water Pressure Reducing Valves:

  • They control high inlet pressures and then bring them down to a lower value (25 - 75 PSI).
  • These valves feature a direct-acting integral by-pass facility to prevent excessive pressure build-up caused by thermal expansion.
  • They are made of low-lead bronze and are useful in potable water applications.

Apollo 36ELF Series Valves:

  • They feature a balanced piston design enabling the regulator to respond to changes quickly in the system flow demands.
  • These valves have a built-in thermal expansion bypass to prevent any reverse flow of water back into the system mains.
  • Their dezincification-resistant bronze body, stainless steel adjusting screw and dielectric polymer cage provide optimum corrosion resistance.

Watts LFN45B-EZ Series Valves:

  • Their standard bypass feature allows the water to flow back through the valve into the main when pressures exceed the pressure in the main supply.
  • These water pressure reducing valves feature lead-free cast copper silicon alloy construction that can handle temperatures within the range of 33 to 180 degrees F.

Frequently Asked Questions

What are the benefits of using a water pressure reducing valve in irrigation systems?

Installing water pressure reducing valves in an irrigation system offers several benefits. They maintain optimal water pressure, preventing damage to sprinklers, emitters and other irrigation components. Additionally, they ensure uniform water distribution and reduce the risk of excessive water consumption. PRVs in irrigation systems also extend the lifespan of the system by minimising the strain on pipes and reducing the potential for leaks.

Can a water pressure reducing valve eliminate the water hammer?

Water hammer is a hydraulic shock that occurs when water flow is suddenly halted or changed in direction, resulting in loud banging noises in pipes. While water pressure reducing valves can mitigate water hammer to some extent by regulating the pressure. Additional measures, such as installing check and foot valves may be required to effectively control the water hammer.

Do water pressure reducing valves restrict water flow?

Yes, water pressure reducing valves restrict the flow of water to some extent as they regulate the pressure. However, they are designed to maintain a steady and consistent flow while reducing the pressure.

Are water pressure reducing valves maintenance-free?

While water pressure reducing valves generally require low-maintenance, it is recommended to have them inspected periodically. Sediment or debris in the water supply can affect the valve's operation, so it is important to clean or flush the valve if necessary. Additionally, the diaphragm or piston inside the valve may wear out over time and require replacement.

Where should a water pressure reducing valve be installed?

They are installed near the point of entry of the water supply, such as the main water line entering a building. This ensures that all water flowing into the plumbing system is regulated and the pressure is reduced uniformly throughout.

How do I know if I need a water pressure reducing valve?

Signs that you may need a pressure reducing valve include excessively high water pressure, frequent leaks or bursts in your plumbing system, banging noises in pipes and inconsistent water flow.

Why are water pressure reducing valves necessary?

Water pressure reducing valves are necessary when the incoming water pressure from the municipal supply is too high. High water pressure can damage pipes, fixtures and appliances, leading to leaks, bursts and other plumbing issues. These valves regulate and reduce the pressure to a safe and manageable level, protecting your plumbing system.

Can water pressure reducing valves help conserve water?

Water pressure reducing valves can indirectly contribute to water conservation efforts. By reducing the water pressure to a more appropriate level, they can prevent wasteful water usage due to excessive pressure. Additionally, regulated pressure can improve the efficiency of fixtures and appliances, reducing water consumption.

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