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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Plumbing
Pressure and Temperature Control Valves
Water Pressure Reducing Valves

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...Read more

ZURN -

Water Pressure Reducing Valves

Style	Model	Body Material	Height	Max. Pressure	Pressure Adjustment Range	Pipe Size	Adjustable Pressure Range	Disc Material	Preset Pressure Settings	Price
A	3-500XLFCBP	-	-	-	-	-	-	-	-	€6,929.51
B	1-70XL	-	6.688"	300 psi	-	1"	25 psi to 75 psi	-	50 psi	€423.20
C	2-500XL3	-	11"	400 psi	-	2"	25 psi to 75 psi	-	50 psi	€3,086.64
C	1-500XL3HR	-	6 3/4"	400 psi	-	1"	75 psi to 125 psi	-	50 psi	€966.38
D	1-20XLEPEX	-	4.921"	300 psi	-	1"	25 psi to 75 psi	-	50 psi	€229.10
C	1-500XL3	Bronze	6 3/4"	400 psi	25 psi to 75 psi	1"	25 psi to 75 psi	-	50 psi	€910.77
C	114-500XL3	Bronze	7 5/8"	400 psi	25 psi to 75 psi	1 1/4"	25 psi to 75 psi	-	50 psi	€1,802.89
C	112-500XL3	Bronze	9 1/4"	400 psi	25 psi to 75 psi	1 1/2"	25 psi to 75 psi	-	50 psi	€2,854.63
E	34-70XLDUC	Bronze	6"	300 psi	25 psi to 75 psi	3/4"	25 psi to 75 psi	-	50 psi	€374.39
F	212-500XLFC	Bronze	15"	300 psi	25 psi to 75 psi	2 1/2"	25 psi to 75 psi	-	-	€6,579.60
G	212-500XL3	Bronze	12 7/8"	400 psi	25 psi to 75 psi	2 1/2"	25 psi to 75 psi	-	50 psi	€5,603.31
H	3-500XL3	Bronze	13.062"	400 psi	25 psi to 75 psi	3"	25 psi to 75 psi	-	50 psi	€7,076.32
I	1-70XLDUC	Bronze	6.688"	300 psi	25 psi to 75 psi	1"	25 psi to 75 psi	-	50 psi	€434.54
J	1-625XLC	Bronze	7 1/4"	300 psi	25 psi to 75 psi	1"	25 psi to 75 psi	-	50 psi	€353.92
K	12-P1500XL	Bronze	-	-	25 psi to 175 psi	-	-	-	-	€171.04
L	2-500XLHR	Bronze	10 3/4"	300 psi	75 psi to 125 psi	2"	75 psi to 125 psi	-	50 psi	€3,338.77
M	2-500XLHLR	Bronze	10 3/4"	300 psi	25 psi to 75 psi	2"	25 psi to 75 psi	-	50 psi	€3,432.82
N	34-70XL	Bronze	6"	300 psi	25 psi to 75 psi	3/4"	25 psi to 75 psi	-	50 psi	€383.24
O	34-70XLDU	Bronze	6"	300 psi	25 psi to 75 psi	3/4"	25 psi to 75 psi	-	50 psi	€387.55
P	1-70XLDU	Bronze	6.688"	300 psi	25 psi to 75 psi	1"	25 psi to 75 psi	-	50 psi	€497.87
Q	2-600XLHLR	Bronze	-	-	25 psi to 75 psi	-	-	-	-	€3,021.03
R	P1000AXL-150C	Cast Brass, Bronze	-	-	-	-	-	-	-	€83.43
D	34-20XLEPEX	Cast Bronze	4.921"	300 psi	25 psi to 75 psi	3/4"	25 psi to 75 psi	Elastomer	50 psi	€217.74
S	34-20XLPEX	Cast Bronze	4.921"	300 psi	25 psi to 75 psi	3/4"	25 psi to 75 psi	Elastomer	50 psi	€215.53
T	34-20XLDU	Cast Bronze	4 24/25"	300 psi	25 psi to 75 psi	3/4"	25 psi to 75 psi	Elastomer	50 psi	€237.74

BELL & GOSSETT -

Reducing Valves

Style	Model	Height	Pipe Size	Connection Type	Body Material	Max. Pressure	Max. Temp.	Adjustable Pressure Range	Preset Pressure Settings	Price
A	FB-38	4.812"	1/2"	NPT	Brass	125 psi	225°F	10 psi to 25 psi	12 psi	€206.78
B	B7-12	4.938"	3/4"	NPT	Brass	125 psi	225°F	10 psi to 25 psi	12 psi	€220.77

NIBCO -

76-LF Series Stop And Waste Valves, Lead-Free, Straight, FIP x FIP

Style	Model	Height	Connection Type	Body Material	Type	Price
A	N64X0L6	2.1"	FIP x FIP	Lead Free Silicon Bronze	Specialty/Low Pressure Valve	€40.27
A	N64X0L8	2.2"	FIP x FIP	Lead Free Silicon Bronze	Specialty/Low Pressure Valve	€57.23

CASH ACME -

Pressure Regulating Valves

Style	Model	Pipe Size	Connection Type	Body Material	Height	Disc Material	Max. Pressure	Max. Temp.	Adjustable Pressure Range	Price
A	EB-45U	1/2"	Single Union FNPT	Brass	5"	EPDM	400 psi	180°F	10 psi to 70 psi	€113.76
B	EB-45U	3/4"	Single Union FNPT	Brass	5"	EPDM	400 psi	180°F	10 psi to 70 psi	€126.49

ZURN -

500XL Water Pressure Reducing Valves

Style	Model	MPN	Price
A	1-500XLHLR	1-500XLHLR	€773.18
B	1-500XLHR	1-500XLHR	€753.38
C	3-500XLHLR	3-500XLHLR	€6,495.38
D	3-500XLHR	3-500XLHR	€6,316.19
E	112-500XLHLR	112-500XLHLR	€2,459.15
F	212-500XLHR	212-500XLHR	€4,924.25

ZURN -

600XL Water Pressure Reducing Valves

Style	Model	MPN	Price
A	1-600XLC	1-600XLC	€479.15
B	12-600XLC	12-600XLC	€325.70
C	12-600XLHR	12-600XLHR	€358.37
D	34-600XLC	34-600XLC	€331.64
E	34-600XLG	34-600XLG	€375.05
F	34-600XLHRLU	34-600XLHRLU	€367.40
G	34-600XLLPV	34-600XLLPV	€457.37
H	34-600XLLUCHSC	34-600XLLUCHSC	€507.86
I	34-600XLSC	34-600XLSC	€346.99
A	114-600XLC	114-600XLC	€853.37

ZURN -

NR3XL Water Pressure Reducing Valves

Style	Model	MPN	Price
A	1-NR3XLC	1-NR3XLC	€272.24
B	1-NR3XLDU	1-NR3XLDU	€377.60
C	1-NR3XLDUC	1-NR3XLDUC	€277.19
D	1-NR3XLDULUP	1-NR3XLDULUP	€313.82
E	1-NR3XLDUPEXF1960	1-NR3XLDUPEXF1960	€305.90
B	1-NR3XLDUR	1-NR3XLDUR	€343.16
A	1-NR3XLR	1-NR3XLR	€320.20
F	2-NR3XLDU	2-NR3XLDU	€1,374.11
G	2-NR3XLDUC	2-NR3XLDUC	€1,374.11
H	2-NR3XLDULU	2-NR3XLDULU	€1,270.16
A	12-NR3XLDUC	12-NR3XLDUC	€219.77
I	12-NR3XLDULU	12-NR3XLDULU	€200.96
J	34-NR3XL	34-NR3XL	€296.99
K	34-NR3XLDU	34-NR3XLDU	€331.61
L	34-NR3XLDUC	34-NR3XLDUC	€230.66
I	34-NR3XLDULU	34-NR3XLDULU	€201.95
D	34-NR3XLDULUP	34-NR3XLDULUP	€289.07
M	34-NR3XLDUPEX	34-NR3XLDUPEX	€230.66
K	34-NR3XLDUR	34-NR3XLDUR	€265.35
A	34-NR3XLHRSC	34-NR3XLHRSC	€315.80
J	34-NR3XLR	34-NR3XLR	€246.21
N	112-NR3XLDU	112-NR3XLDU	€1,086.02
O	114-NR3XL	114-NR3XL	€653.39
K	114-NR3XLDU	114-NR3XLDU	€660.32
P	114-NR3XLDUC	114-NR3XLDUC	€660.32

ZURN -

20XL Pressure Reducing Valves

Style	Model	MPN	Price
A	1-20XLDULU	1-20XLDULU	€156.41
B	34-20XLDULU	34-20XLDULU	€148.49

CASH VALVE -

FR Series Back Pressure Valves

Style	Model	Pressure Adjustment Range	Pressure Range	Pressure Rating	Connection Type	Body Material	Disc Material	Outlet Type	Inlet Type	Price
A	FR-ZHWSSZZZS14-E6	-	-	-	-	-	-	-	-	€4,852.68	RFQ
A	FR-ZDWSCZZZS05-D5	-	-	-	-	-	-	-	-	€1,711.77	RFQ
A	FR-GHWSCGBES01-D5	-	-	-	-	-	-	-	-	€6,195.35	RFQ
A	FR-GHWSSGGES02-D7	-	-	-	-	-	-	-	-	€6,259.54	RFQ
A	FR-ZCCSSZZZS14-E4	-	-	-	-	-	-	-	-	€1,636.58	RFQ
A	FR-ZCWSCZMES02-D5	-	-	-	-	-	-	-	-	€1,578.93	RFQ
A	FR-ZCWSCZMES02-D6	-	-	-	-	-	-	-	-	€1,590.51	RFQ
A	FR-ZCWSSZGES03-D4	-	-	-	-	-	-	-	-	€1,645.80	RFQ
A	FR-ZCWSSZMES03-D6	-	-	-	-	-	-	-	-	€1,627.07	RFQ
A	FR-ZDWSSZGES03-D1	-	-	-	-	-	-	-	-	€1,947.13	RFQ
A	FR-GEWSSGGGS13-E4	-	-	-	-	-	-	-	-	€4,162.63	RFQ
A	FR-ZECSCZGGS14-E5	-	-	-	-	-	-	-	-	€2,935.57	RFQ
A	FR-ZECSSZZGS14-E1	-	-	-	-	-	-	-	-	€2,609.39	RFQ
A	FR-ZEWSSZZGS12-E3	-	-	-	-	-	-	-	-	€2,405.39	RFQ
A	FR-ZEWSSZZGS12-E4	-	-	-	-	-	-	-	-	€2,418.77	RFQ
A	FR-ZEWSSZZZS02-E5	-	-	-	-	-	-	-	-	€2,093.36	RFQ
A	FR-ZFWSCZZZS02-D4	-	-	-	-	-	-	-	-	€2,823.53	RFQ
A	FR-ZGWSCZMES02-D3	-	-	-	-	-	-	-	-	€3,594.71	RFQ
A	FR-ZHWSCZMES02-D4	-	-	-	-	-	-	-	-	€4,019.09	RFQ
A	FR-GHWSCFGES04-D5	-	-	-	-	-	-	-	-	€5,654.19	RFQ
A	FR-GEWECGGGS02-E5	-	-	-	-	-	-	-	-	€4,418.50	RFQ
A	FR-FDWSSFMES02-D4	-	-	-	-	-	-	-	-	€1,247.27	RFQ
A	FR-GECSSGGGS14-E2	-	-	-	-	-	-	-	-	€5,022.89	RFQ
A	FR-GDWESGGES03-E3	-	-	-	-	-	-	-	-	€4,245.55	RFQ
A	FR-GCWSCGGES02-D6	-	-	-	-	-	-	-	-	€3,649.99	RFQ

CASH VALVE -

FR Series, FR-10 Type Back Pressure Valves

Style	Model	MPN	Price
A	FR1FEWESFVGS01-D1	FR1FEWESFVGS01-D1	€945.03	RFQ
A	FR1FEWESFVGS01-E1	FR1FEWESFVGS01-E1	€945.03	RFQ
A	FR1FEWSSFMES03-D4	FR1FEWSSFMES03-D4	€1,320.38	RFQ
A	FR1FEWSSFVES01-D4	FR1FEWSSFVES01-D4	€1,063.62	RFQ
A	FR1FEWSSFVZS01-D2	FR1FEWSSFVZS01-D2	€953.95	RFQ
A	FR1FGWESFBES01-D5	FR1FGWESFBES01-D5	€1,574.47	RFQ
A	FR1FGWSSFVZS01-D2	FR1FGWSSFVZS01-D2	€1,558.42	RFQ
A	FR1FHWSSFVES01-D4	FR1FHWSSFVES01-D4	€2,023.81	RFQ

CASH VALVE -

FR Series, FR-6 Type Back Pressure Valves

Style	Model	MPN	Price
A	FR6GCCSCGGGS14-E1	FR6GCCSCGGGS14-E1	€2,424.92	RFQ
A	FR6GECSSGGGS14-E1	FR6GECSSGGGS14-E1	€3,473.81	RFQ
A	FR6GGCSSGGGS14-E1	FR6GGCSSGGGS14-E1	€5,150.33	RFQ
A	FR6ZCCSSZZZS14-E1	FR6ZCCSSZZZS14-E1	€1,891.43	RFQ
A	FR6ZCWSSZBES01-D1	FR6ZCWSSZBES01-D1	€1,414.89	RFQ
A	FR6ZCWSSZBZS01-D1	FR6ZCWSSZBZS01-D1	€1,434.50	RFQ
A	FR6ZDWSSZBZS01-D1	FR6ZDWSSZBZS01-D1	€1,705.53	RFQ
A	FR6ZEWECZZZS02-D1	FR6ZEWECZZZS02-D1	€1,979.23	RFQ

WATTS -

LF25AUB-Z3 Series Water Pressure Reducing Valves

Style	Model	Height	Disc Material	Max. Pressure	Adjustable Reduced Pressure Range	Trim Material	Inlet Thread Type	High Pressure Reduced Pressure Range	Inlet Type	Price
A	LF25AUB-G-Z3 2	-	EPDM	300 psi	1.7 Bar to 5.2 Bar	Not Applicable	NPT	Not Applicable	Union Joint	€2,064.41	RFQ
B	LF25AUB-S-DU-LP-Z3 1 1/2	-	EPDM	300 psi	0.7 Bar to 2.4 Bar	Not Applicable	Not Applicable	Not Applicable	Union Solder	€1,700.72	RFQ
C	LF25AUB-DU-G-Z3 2	-	EPDM	300 psi	1.7 Bar to 5.2 Bar	Not Applicable	NPT	Not Applicable	Union Joint	€2,064.41	RFQ
D	LF25AUB-DU-G-HP-Z3 2	-	EPDM	300 psi	5.2 Bar to 8.6 Bar	Not Applicable	NPT	75 psi to 125 psi	Union Joint	€2,507.53	RFQ
E	LF25AUB-DU-GG-Z3 2	-	EPDM	300 psi	1.7 Bar to 5.2 Bar	Not Applicable	NPT	Not Applicable	Union Joint	€2,169.84	RFQ
F	LF25AUB-S-Z3 1 1/2	-	EPDM	300 psi	1.7 Bar to 5.2 Bar	Not Applicable	Not Applicable	Not Applicable	Socket	€878.49
F	LF25AUB-S-LP-Z3 1 1/2	-	EPDM	300 psi	0.7 Bar to 2.4 Bar	Not Applicable	Not Applicable	Not Applicable	Union Solder	€1,482.96
G	LF25AUB-S-HP-Z3 1 1/2	-	EPDM	300 psi	5.2 Bar to 8.6 Bar	Not Applicable	Not Applicable	75 psi to 125 psi	Union Solder	€1,682.39
H	LF25AUB-S-G-Z3 1 1/2	-	EPDM	300 psi	1.7 Bar to 5.2 Bar	Not Applicable	Not Applicable	Not Applicable	Union Solder	€1,319.49
B	LF25AUB-S-DU-Z3 1 1/2	-	EPDM	300 psi	1.7 Bar to 5.2 Bar	Not Applicable	Not Applicable	Not Applicable	Union Solder	€1,443.24	RFQ
I	LF25AUB-LP-Z3 1 1/2	-	EPDM	300 psi	0.7 Bar to 2.4 Bar	Not Applicable	NPT	Not Applicable	Female Threaded	€1,482.96
J	LF25AUB-S-DU-G-HPZ 1 1/2	-	EPDM	300 psi	5.2 Bar to 8.6 Bar	Not Applicable	Not Applicable	75 psi to 125 psi	Union Solder	€1,877.97	RFQ
J	LF25AUB-S-DU-G-Z3 1 1/2	-	EPDM	300 psi	1.7 Bar to 5.2 Bar	Not Applicable	Not Applicable	Not Applicable	Union Solder	€1,624.31	RFQ
B	LF25AUB-S-DU-HP-Z3 1 1/2	-	EPDM	300 psi	5.2 Bar to 8.6 Bar	Not Applicable	Not Applicable	75 psi to 125 psi	Union Solder	€1,932.99	RFQ
A	LF25AUB-G-HP-Z3 2	-	EPDM	300 psi	5.2 Bar to 8.6 Bar	Not Applicable	NPT	75 psi to 125 psi	Union Joint	€2,388.36	RFQ
A	LF25AUB-G-HP-Z3 1 1/2	-	EPDM	300 psi	5.2 Bar to 8.6 Bar	Not Applicable	NPT	75 psi to 100 psi	Union Joint	€1,633.50
K	LF25AUB-S-DU-GG-Z3 1 1/2	-	EPDM	300 psi	1.7 Bar to 5.2 Bar	Not Applicable	Not Applicable	Not Applicable	Union Solder	€1,516.58	RFQ
I	LF25AUB-HP-Z3 1 1/2	-	EPDM	300 psi	5.2 Bar to 8.6 Bar	Not Applicable	NPT	75 psi to 125 psi	Union Joint	€1,682.39
A	LF25AUB-G-Z3 1 1/2	-	EPDM	300 psi	1.7 Bar to 5.2 Bar	Not Applicable	NPT	Not Applicable	Union Joint	€1,413.44
L	LF25AUB-GG-LP-Z3 1 1/2	-	EPDM	300 psi	0.7 Bar to 2.4 Bar	Not Applicable	NPT	Not Applicable	Union Joint	€1,443.24
L	LF25AUB-GG-Z3 1 1/2	-	EPDM	300 psi	1.7 Bar to 5.2 Bar	Not Applicable	NPT	Not Applicable	Union Joint	€1,413.44
C	LF25AUB-DU-G-HP-Z3 1 1/2	-	EPDM	300 psi	5.2 Bar to 8.6 Bar	Not Applicable	NPT	75 psi to 125 psi	Union Joint	€1,877.97	RFQ
C	LF25AUB-DU-G-Z3 1 1/2	-	EPDM	300 psi	1.7 Bar to 5.2 Bar	Not Applicable	NPT	Not Applicable	Union Joint	€1,624.31	RFQ
M	LF25AUB-DU-HP-Z3 1 1/2	-	EPDM	300 psi	5.2 Bar to 8.6 Bar	Not Applicable	NPT	75 psi to 100 psi	Union Joint	€1,932.99	RFQ
A	LF25AUB-G-LP-Z3 1	-	EPDM	300 psi	0.7 Bar to 2.4 Bar	Not Applicable	NPT	Not Applicable	Union Joint	€610.47

ZURN -

500XL3 Water Pressure Reducing Valves

Style	Model	MPN	Price
A	4-500XL3F	4-500XL3F	€11,379.05
A	4-500XL3FHR	4-500XL3FHR	€12,005.72
B	4-500XL3FY	4-500XL3FY	€12,847.22

WATTS -

LF223 Series High Capacity Water Pressure Reducing Valves

Style	Model	Max. Operating Temp.	Connection Type	Height	Disc Material	Type	Max. Pressure	Adjustable Reduced Pressure Range	Inlet Thread Type	Price
A	1/2 LF223-S	-	FIP	8 1/4"	EPDM	Kit	300 psi	1.8 Bar to 5.2 Bar	NPT	€709.83
B	LF223-LP 3/4	-	-	-	EPDM	Kit	20.7 Bar	1.8 Bar to 5.2 Bar	NPT	€1,140.70
A	LF223-S-HP 3/4	-	-	-	EPDM	Kit	20.7 Bar	3.4 Bar to 10 Bar	NPT	€1,473.81
A	3/4 LF223-S	-	FIP	8 1/4"	EPDM	Kit	300 psi	1.8 Bar to 5.2 Bar	NPT	€757.61
A	2 LF223-S	-	FIP	14 1/8"	EPDM	Kit	300 psi	1.8 Bar to 5.2 Bar	NPT	€2,782.00
A	1 LF223-S	-	FIP	8 5/8"	EPDM	Kit	300 psi	1.8 Bar to 5.2 Bar	NPT	€1,050.69
A	LF223-S-B 3/4	-	-	-	EPDM	Kit	20.7 Bar	1.8 Bar to 5.2 Bar	NPT	€1,304.96
C	11/4 LF 223	-	FNPT Union x FNPT	8 3/4"	EPDM	Super Capacity	300 psi	-	-	€2,067.06
A	LF223-S-B-LP 1/2	-	-	-	EPDM	Kit	-	1.8 Bar to 5.2 Bar	NPT	€1,644.19	RFQ
A	LF223-S 1 1/2	-	FIP	12 5/8"	EPDM	Kit	300 psi	1.8 Bar to 5.2 Bar	NPT	€1,957.68
D	LF223-HP 1/2	160°F	-	-	EPDM	Kit	300 psi	3.4 Bar to 10 Bar	NPT	€1,139.17
B	LF223-HP 3/4	160°F	-	-	EPDM	Kit	20.7 Bar	3.4 Bar to 10 Bar	NPT	€1,140.70
A	LF223-S-HP 1/2	160°F	-	-	EPDM	Kit	300 psi	3.4 Bar to 10 Bar	NPT	€1,554.00
A	LF223-S-B-LP 3/4	160°F	-	-	EPDM	Kit	20.7 Bar	1.8 Bar to 5.2 Bar	FPT	€1,554.00
D	LF223-LP 1/2	160°F	-	-	EPDM	Kit	300 psi	1.8 Bar to 5.2 Bar	NPT	€1,139.17
A	LF223-S 1 1/4	160°F	FIP	9 1/2"	EPDM	Kit	300 psi	1.8 Bar to 5.2 Bar	NPT	€1,849.78
A	LF223-S-LP 3/4	160°F	-	-	Reinforced EPDM	Kit	20.7 Bar	1.8 Bar to 5.2 Bar	NPT	€1,554.00
A	LF223-S-LP 1/2	180°F	-	-	EPDM	Kit	300 psi	1.8 Bar to 5.2 Bar	NPT	€1,554.00
A	LF223-S-B 1/2	180°F	-	-	EPDM	Kit	300 psi	1.8 Bar to 5.2 Bar	NPT	€1,304.96

WATTS -

LFN55B-M1 Series Water Pressure Reducing Valves
Watts LFN55B-M1 Series water pressure-reducing valves are used in plumbing systems to regulate and control water pressure. These valves are employed in residential, commercial and industrial settings. They are offered in lead-free brass, brass and lead-free copper silicon alloy construction for safeguarding the water supply from harmful contaminants. These valves are equipped with a stainless steel strainer to prevent debris and sediment from entering the downstream plumbing system. They have thermoplastic seats for a tight & reliable seal to prevent water leakage. These valves are integrated with thermal expansion bypass to allow controlled release of excess pressure, resulting from thermal expansion in the water distribution system. They are available in female threaded and union joints inlet types.

Style	Model	Disc Material	Max. Pressure	Adjustable Reduced Pressure Range	Inlet Thread Type	Inlet Type	Pressure Setting Range	Outlet Type	Type	Price
A	LFN55BM1-DU-LP 1/2 IN	-	-	-	-	-	-	-	-	-	RFQ
B	LFN55BM1-DU-PEX-G 3/4	-	-	-	-	-	-	-	-	-	RFQ
C	LFN55BM1-DU-PR-PEX 3/4	-	-	-	-	-	-	-	-	-	RFQ
D	LFN55BM1 (W/PRESS) 3/4	-	-	-	-	-	-	-	-	-	RFQ
E	LFN55BM1-DU-PR-PEX 1	-	-	-	-	-	-	-	-	-	RFQ
F	LFN55BM1-DU-PR-CEF 1	-	-	-	-	-	-	-	-	-	RFQ
G	LFN55BM1-DU-PR 1/2	-	-	-	-	-	-	-	-	-	RFQ
F	LFN55BM1-DU-PR-CEF 3/4	-	-	-	-	-	-	-	-	-	RFQ
H	LFN55BM1-DU-PR 3/4	-	-	-	-	-	-	-	-	-	RFQ
G	LFN55BM1-DU-PR 1	-	-	-	-	-	-	-	-	-	RFQ
B	LFN55BM1-DU-PEX 1 IN	-	-	-	-	-	-	-	-	-	RFQ
A	LFN55BM1-DU-LP 1 IN	-	-	-	-	-	-	-	-	-	RFQ
I	LFN55BM1-DU-CEF 1/2	-	-	-	-	-	-	-	-	-	RFQ
J	LFN55BM1-DU-CEF 1	-	-	-	-	-	-	-	-	-	RFQ
J	LFN55BM1-DU-CEF 3/4	-	-	-	-	-	-	-	-	-	RFQ
K	LFN55BM1 1 IN	-	-	-	-	-	-	-	-	-	RFQ
L	LFN55BM1-U-070 1	Elastomer	400 psi	1.7 Bar to 5.2 Bar	NPT	Union Joint	3.4 Bar	Female Threaded	-	€307.41
L	LFN55BM1-U-070 3/4	Elastomer	27.6 Bar	1.7 Bar to 5.2 Bar	NPT	Union Joint	3.4 Bar	Female Threaded	-	€264.17
M	LFN55BM1-U 1/2 IN	EPDM	400 psi	-	-	-	-	-	Standard	€277.98
M	LFN55BM1-U 1 IN	EPDM	400 psi	1.8 Bar to 5.2 Bar	NPT	Union Joint	3.4 Bar	Female Threaded	Kit	€152.34
K	LFN55BM1 3/4 IN	Reinforced EPDM	27.6 Bar	1.8 Bar to 5.2 Bar	NPT	Female Threaded	3.4 Bar	Female Threaded	Kit	€707.03
N	LFN55BM1-DUS-G 1	Reinforced EPDM	27.6 Bar	1.8 Bar to 5.2 Bar	Not Applicable	Union Solder	3.4 Bar	Union Solder	-	€327.41
O	LFN55BM1-DU-G 1	Reinforced EPDM	27.6 Bar	1.8 Bar to 5.2 Bar	NPT	Union Joint	3.4 Bar	Union Joint	-	€327.41
A	LFN55BM1-DU 3/4 IN	Reinforced EPDM	27.6 Bar	1.8 Bar to 5.2 Bar	NPT	Female Threaded	3.4 Bar	Female Threaded	Kit	€363.00
K	LFN55BM1 1/2 IN	Reinforced EPDM	400 psi	1.8 Bar to 5.2 Bar	NPT	Female Threaded	3.4 Bar	Union Joint	Kit	€223.88

WATTS -

LFU5B Series Water Pressure Reducing Valves

Style	Model	Max. Operating Temp.	Height	Max. Pressure	Adjustable Pressure Range	Inlet Type	Adjustable Reduced Pressure Range	Inlet Thread Type	Max. Temp.	Price
A	1-1/4 LFU5B-Z3-LP	-	-	300 psi	10 psi to 35 psi	-	-	-	160°F	€4,530.96
B	LFU5B-LP-Z3 1 1/2	-	9 3/8"	300 psi	10 psi to 35 psi	-	-	-	160°F	€5,398.23
C	LFU5B-QC-Z3 3/4	-	-	20.7 Bar	25 psi to 75 psi	Quick Connect	1.8 Bar to 5.2 Bar	Not Applicable	160°F	€1,170.50
D	LFU5B-Z3 1 1/4	-	8 3/8"	300 psi	25 psi to 75 psi	-	-	-	160°F	€3,464.71
D	LFU5B-Z3	-	-	300 psi	25 psi to 75 psi	-	-	-	160°F	€2,829.17
B	3/4 LFU5B-LP-Z3	-	6 7/8"	300 psi	10 psi to 35 psi	-	-	-	180°F	€1,323.03
E	LFU5B-Z3 1	160°F	-	300 psi	25 psi to 75 psi	Female Threaded	25 psi to 75 psi	NPT	-	€3,914.80
D	LFU5B-Z3 1 1/2	160°F	-	300 psi	25 psi to 75 psi	Female Threaded	1.8 Bar to 5.2 Bar	NPT	-	€1,854.33	RFQ
D	LFU5B-Z3 3/4	160°F	-	20.7 Bar	25 psi to 75 psi	Female Threaded	1.8 Bar to 5.2 Bar	NPT	-	€2,375.24
F	LFU5B-S Z3 1 1/4	160°F	-	300 psi	25 psi to 75 psi	Union Solder	1.8 Bar to 5.2 Bar	Not Applicable	-	€3,516.04
G	LFU5B-QC-Z3 1	160°F	-	300 psi	25 psi to 75 psi	Quick Connect	1.8 Bar to 5.2 Bar	Not Applicable	-	€1,726.72
F	LFU5B-S Z3 1 1/2	160°F	-	300 psi	25 psi to 75 psi	Union Solder	1.8 Bar to 5.2 Bar	Not Applicable	160°F	€3,957.66	RFQ
B	LFU5B-LP-Z3 1/2	180°F	-	300 psi	10 psi to 35 psi	Female Threaded	0.7 Bar to 2.4 Bar	NPT	-	€729.89

WATTS -

LFN45B-M1 Series Water Pressure Reducing Valves

Style	Model	Max. Pressure	Pressure Setting Range	Valve Design	Max. Operating Temp.	Disc Material	Inlet Type	Outlet Type	Adjustable Reduced Pressure Range	Price
A	LFN45BU-LP-M1 3/4	27.6 Bar	3.4 Bar	Standard	-	Elastomer	Union Joint	Female Threaded	1.7 Bar to 5.2 Bar	€242.17
A	LFN45BU-070-M1 1	400 psi	4.83 Bar	Standard	180°F	Elastomer	Union Joint	Female Threaded	1.7 Bar to 5.2 Bar	€394.58

WATTS -

LFN45B-L Series Water Pressure Reducing Valves

Style	Model	Inlet Type	Outlet Type	Inlet Thread Type	Max. Operating Temp.	Valve Design	Disc Material	Max. Pressure	Pressure Setting Range	Price
A	LFN45B-DU 1 1/2	-	-	-	-	-	-	-	-	-	RFQ
B	LFN45B-DU-G	-	-	-	-	-	-	-	-	-	RFQ
C	LFN45B-DU-PR 1 1/2	-	-	-	-	-	-	-	-	-	RFQ
C	LFN45B-DU-PR 1 1/4	-	-	-	-	-	-	-	-	-	RFQ
C	LFN45B-DU-PR 2	-	-	-	-	-	-	-	-	-	RFQ
D	LFN45B-DU-S 1 1/2	-	-	-	-	-	-	-	-	-	RFQ
E	LFN45B-DU-S 2	-	-	-	-	-	-	-	-	-	RFQ
F	LFN45BM1-DU-CEF 1-1/2	-	-	-	-	-	-	-	-	-	RFQ
G	LFN45BU 1 1/4	-	-	-	-	-	-	-	-	-	RFQ
G	LFN45BU 2	-	-	-	-	-	-	-	-	-	RFQ
H	LFN45B (W/PRESS) 1 1/4	Press	Press	Not Applicable	180°F	Standard	EPDM	300 psi	3.4 Bar	€623.17	RFQ
A	LFN45B-DU 1 1/4	Union Joint	Union Joint	NPT	180°F	Standard	EPDM	300 psi	3.4 Bar	€698.33	RFQ
G	LFN45BU 1 1/2	Union Joint	Female Threaded	NPT	180°F	Standard	EPDM	300 psi	3.4 Bar	€958.85	RFQ
I	LFN45B-DU-S 1 1/4	Union Solder	Union Solder	Not Applicable	180°F	Standard	EPDM	300 psi	3.4 Bar	€650.19	RFQ

WATTS -

2300 Series Water Pressure Reducing Valves

Style	Model	MPN
A	2300 30-80 3	2300 30-80 3	RFQ
A	2300 30-80 4	2300 30-80 4	RFQ

PARKER -

PRH102 Reducing Valves, Pilot Operated Reducing Valve for Size 10, 3-Way Cavit

Style	Model	MPN	Price
A	PRH102S10	PRH102S10	€126.43
A	PRH102S30V	PRH102S30V	€136.62
A	PRH102S50	PRH102S50	€126.43

PARKER -

PR103 Reducing/Relieving Valves, Direct Acting

Style	Model	MPN	Price
A	PR103S12	PR103S12	€111.58
A	PR103S21	PR103S21	€111.58

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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.

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LFN45B-M1 Series Water Pressure Reducing Valves

LFN45B-L Series Water Pressure Reducing Valves

2300 Series Water Pressure Reducing Valves

PRH102 Reducing Valves, Pilot Operated Reducing Valve for Size 10, 3-Way Cavit

PR103 Reducing/Relieving Valves, Direct Acting

Water Pressure Reducing Valves

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

Can a water pressure reducing valve eliminate the water hammer?

Do water pressure reducing valves restrict water flow?

Are water pressure reducing valves maintenance-free?

Where should a water pressure reducing valve be installed?

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

Why are water pressure reducing valves necessary?

Can water pressure reducing valves help conserve water?

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