Best Pressure Reducing Valves of 2022

Pressure Reducing Valves

Best Pressure Reducing Valves – A Pressure Reducing Valve (PRV) is an Automatic Control Valve that reduces a greater unregulated intake pressure to a consistent, lower downstream (outlet) pressure regardless of demand and/or upstream (inlet) water pressure changes. A Pressure Reducing Valve maintains a constant setpoint downstream.

You can utilize a High-Pressure Control Valve package set up for pressure-lowering applications to reduce pressure in high-pressure applications. An adjustable pilot valve in conjunction with an orifice controls the throttled position of the main valve (or needle valve). The pilot valve detects changes in downstream (outlet) pressure and reacts quickly when the outlet pressure rises or falls in response to changing demand.

The pilot detects the downstream (outlet) pressure and reacts quickly by adding or removing water from the top of the main valve diaphragm assembly, allowing the valve to reposition and throttle as the outlet pressure varies with flow demand. As the pilot diaphragm continuously regulates the main valve to throttle, open, or close and maintain the desired, preset lower output pressure, it will automatically sense variations in the system’s flow. The primary valve’s throttling action produces the requisite lowered downstream pressure.

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Are you on the lookout for the best Pressure Reducing Valves on the market? We ranked them based on professional opinions. We’ve compiled a list of top options, which includes the best-selling Pressure Reducing Valve. Do you need an excellent Pressure Reducing Valve but can’t seem to find one? We understand this issue because we went through the entire Pressure Reducing Valve research process ourselves, which is why we’ve compiled a comprehensive list of the top and best Pressure Reducing Valves on the market right now. We have selected the best Pressure Reducing Valve for 2021 after hours of searching and using all of the types on the market. Take a look at our ranking below!

Best Pressure Reducing Valves Reviews

Model 70XL Water Pressure Reducing Valve

Best Pressure Reducing Valves
Model 70XL Water Pressure Reducing Valve (Reference: zurn.com)

Pros & Cons

Pros
  • Standard with single union FNPT connection
  • and 20-mesh strainer screen
  • with double union FNPT connection
  • double male meter tailpiece connection (3/4)
Cons
  • For press-fit tailpiece connection,
  • 250 psi is the max pressure

Specifications

Sizes 3/4″, 1″
Maximum working water pressure 300 psi
Maximum working water temperature 140°F
Reduced pressure range 25 psi to 75 psi
Factory preset 50 psi

 

General Descriptions

It is designed for installation on potable water lines to reduce high inlet pressure to lower outlet pressure and is appropriate for usage where Lead-Free valves are required. Cleaning and maintenance time is cut in half thanks to the unitized replaceable cartridge. The direct-acting integral bypass design avoids thermal expansion from causing excessive system pressure. The balanced piston design allows the regulator to react to variations in system flow demand smoothly and responsively while also protecting against inlet pressure changes.

Typical Installation

Installation requirements will be governed by local codes. The assembly must be installed in accordance with the manufacturer’s instructions and the most recent edition of the Uniform Plumbing Code unless otherwise stated. For testing and maintenance, the assembly must be mounted with enough side clearance.

The Model 70XL can be mounted in any orientation. Specify the “SC” sealed cage option if installed in a pit, vault, or indoors. For large demand changes or where the required pressure reduction is greater than 4 to 1, multiple installations are advised (i.e.: 200 psi inlet reduced to 50 psi outlet). A pressure gauge must be used downstream whenever a reduction valve is modified to ensure proper pressure setting. On the bell housing, do not use the bottom adjustment bolt.

Model 500XL Water Pressure Reducing Valve with Integral By-pass Check Valve

Best Pressure Reducing Valves
Model 500XL Water Pressure Reducing Valve with Integral By-pass Check Valve (Reference: johnharvards.com)

Pros & Cons

Pros
  • standard with single union FNPT inlet x FNPT outlet (1/2” thru 2”) and less union (21/2” & 3”)
  • copper sweat connection (1/2″ thru 2″)
Cons
  • less integral by-pass check valve (3/4”-2”)

Specifications

Sizes 1/2″, 3/4″, 1″, 1 1/4″, 1 1/2″, 2″, 2 1/2″, 3″
Maximum working water pressure Gas
Maximum working water temperature 140° F
Reduced pressure range 25 psi to 75 psi
Factory preset (field set 2 1/2” & 3”) 50 psi

 

General Descriptions

The type 500XL is meant to reduce high inlet pressure to a lower outlet pressure on potable water lines. This device is best suited for industrial water lines and commercial water systems because of its large flow capacity. The direct-acting integrated by-pass design eliminates thermal expansion from causing excessive system pressure. The balanced piston design allows the regulator to react to variations in system flow demand in a smooth and responsive manner while also protecting against inlet pressure changes.

Typical Installation

For testing and maintenance, the assembly must be mounted with enough side clearance. The Model 500XL can be fitted anywhere. Specify the “SC” sealed cage option if installed in a pit, vault, or inside the application. For large demand changes or where the required pressure reduction is greater than 4 to 1, multiple installations are advised (i.e.: 200 psi inlet reduced to 50 psi outlet). A pressure gauge must be used downstream whenever a reduction valve is modified to ensure proper pressure setting. On the bell housing, do not use the bottom adjustment bolt.

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Model ZW209BPEX Pressure Reducing Valves

Best Pressure Reducing Valves
Model ZW209BPEX Pressure Reducing Valves (Reference: amazon.com)

Pros & Cons

Pros
  • Meets the requirements of NSF/ANSI 61
  • (0.25% Max. Weighted Average Lead Content)
  • Threaded ends 1 1/4″ – 3″, DN32-DN80: 400 psi, 2760 kPa, 27.6 bar max
Cons
  • Needs just copper tubing and brass fittings

Specifications

Threaded Pressure Rating 400 psi max.
Flanged Pressure Rating ANSI Class 150, 250 psi max.
Grooved Pressure Rating 300 psi max.
Pilot Spring Range 15-150 psi
Temperature Rating Water 33°F to 140°F

 

General Descriptions

The Pilot Operated Pressure Reducing Valve with Low Flow Model ZW209BPEX By-pass is used in a variety of applications where high entrance pressures must be reduced to a safe and stable exit pressure. The pilot assembly responds to variations in downstream pressure, allowing the main valve to vary between open and closed positions, ensuring that the downstream set pressure remains constant.

The main valve will seal shut whenever the downstream pressure reaches the pilot setting. The low flow bypass is set to a slightly greater pressure when the main valve closes, allowing it to manage very low flows up to 10 GPM during off-peak demand. (Flows between the bypass and the main valve minimum flow may require an extra bypass.) Additionally, the Model ZW209BPEX includes an epoxy coating for corrosion protection both internally and externally.

Typical Installation

In all circumstances, the ZW209BPEX is not a suitable replacement for a low-flow by-pass. The Typical Installation of valve is widely used in buildings with low flows of 1-15 GPM during off-peak periods. When sizing a pressure-reducing valve, many elements must be addressed, including inlet pressure, exit pressure, and flow rates.

Additional low-flow by-pass valves are sized using a minimum pressure differential of 50 psi between the inlet and set exit pressure. It may be essential to add an additional low flow by-pass valve to the ZW209BPEX installation to compensate for a range of predicted flows below the minimum continuous flow rate in order to generate a smooth seamless flow response. Set the valve you want to open first, 5 psi higher in static downstream set pressure to manage the opening point of the subsequent by-pass valves.

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Model 500XLHTSTSCYSBR Water Pressure Reducing Valve with Integral By-pass Check Valve

Best Pressure Reducing Valves
Model 500XLHTSTSCYSBR Water Pressure Reducing Valve with Integral By-pass Check Valve (Reference: orgonomia.org)

Pros & Cons

Pros
  • standard with single union FNPT inlet x FNPT outlet (1/2″ thru 2″) and less union (2 1/2” & 3”)
  • Meets the requirements of NSF/ANSI 61 (0.25% Max. Weighted Average Lead Content)
Cons
  • 180°F maximum temp with 10 psi to 35 psi
  • spring range, factory set at 20 psi
  • copper sweat connection valve only 1/2″ thru 2″

Specifications

Sizes 1/2″, 3/4″, 1″, 1 1/4″, 1 1/2″, 2″, 2 1/2″, 3″
Maximum working water pressure 300 psi
Maximum working water temperature 180° F
Reduced pressure range 25 psi to 75 psi
Factory preset 50 psi
Threaded connections (FNPT) ANSI B1.20.1
Copper connections (FC) ANSI B16.22

 

General Descriptions

It’s made to be installed on potable water lines to reduce high inflow pressure to lower exit pressure. For continuous hot water recirculation systems, the 500XLHTSTSCYSBR valves are appropriate. The Pressure Reducing Valve must be NSF/ANSI 61 certified and must have a low lead bronze body and bell housing, as well as a separate plunger access cover and a bolt to regulate the downstream pressure.

No ferrous screws are required for the bronze bell housing and access cap to be threaded into the body. The assembly must have a balanced piston design and be capable of reducing pressure in both flow and no-flow situations. The assembly must be serviceable without the need to remove the body from the line.

Typical Installation

The Model 500XLHTSTSCYSBR can be mounted in any orientation. For large demand changes or where the required pressure reduction is greater than 4 to 1, multiple installations are advised (i.e.: 200 psi inlet reduced to 50 psi outlet). CAUTION: A pressure gauge must be used downstream whenever a reduction valve is modified to ensure proper pressure setting. On the bell housing, do not use the bottom adjustment bolt.

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Model 500XLYSBR Water Pressure Reducing Valve

Best Pressure Reducing Valves
Model 500XLYSBR Water Pressure Reducing Valve (Reference: lowes.com)

Pros & Cons

Pros
  • Includes in-line lead-free bronze “Y” type strainer with 20 mesh stainless steel screen
  • sealed cage bell housing and stainless steel adjustment screw
Cons
  • All other strainers are FNPT

Specifications

Sizes 1/2″, 3/4″, 1″, 1 1/4″, 1 1/2″, 2″, 2 1/2″, 3″
Maximum working water pressure 300 psi
Boiler Warranty Maximum working water temperature
Factory preset 50 psi
Reduced pressure range 25 psi to 75 psi

 

General Descriptions

The type 500XLYSBR is designed to reduce high inlet pressure to a lower outlet pressure on potable water lines. This device is best suited for industrial water lines and commercial water systems because of its large flow capacity. The direct-acting integrated by-pass design eliminates thermal expansion from causing excessive system pressure. The balanced piston design allows the regulator to react to variations in system flow demand in a smooth and responsive manner while also protecting against inlet pressure changes.

Typical Installation

The Model 500XLYSBR can be mounted in any direction. Specify the “SC” sealed cage option if installed in a pit, vault, or inside the application. For large demand changes or where the required pressure reduction is greater than 4 to 1, multiple installations are advised (i.e.: 200 psi inlet reduced to 50 psi outlet). A pressure gauge must be used downstream whenever a reduction valve is modified to ensure proper pressure setting. On the bell housing, do not use the bottom adjustment bolt.

FAQs about Pressure Reducing Valves

Why Should We Have a PRV?

High water pressure in the home plumbing system can lead to leaking water heaters, dripping faucets, banging water pipes, dishwasher and washing machine noise and failure, and leaking water pipes. Water running at a faster rate than is required to meet regular fixture or appliance needs, can be harmful, wasteful, and shorten the life of equipment in homes. Maintaining a predetermined pressure in the house, often 50 pounds per square inch (psi), can help to ensure that the plumbing and appliances in the home run at a safe, moderate, but sufficient pressure.

Where Should the Pressure Regulator Be Installed?

On new installations, the pressure regulator is normally positioned downstream (on the home side) of the water meter, near the house. These may be bought from a home improvement or plumbing supply store and are quite easy to install, making them a do-it-yourself project. You can, however, contact a certified plumbing contractor in your area for an estimate.

How Long Will a Water Pressure Reducing Valve Last?

A water pressure regulator’s life expectancy is typically 10 to 15 years. However, if a regulator is properly maintained, it can fail after three years and still function correctly after 20 years.

Because previously, a malfunctioning water pressure reducing valve was not replaced but cleaned or repaired with an affordable service kit, PRVs have been dubbed “life-of-mortgage” items. Because dirt or foreign matter on the seating area can cause problems, it is designed similarly to the kitchen faucet. Repairing a water pressure-reducing valve is no more difficult than repairing a kitchen faucet.

How Do We Know If Our Pressure Reducing Valve Is Bad?

  • Water pressure that is diminishing or fluctuating.
  • There is no water pressure.
  • Walls that are thumping, slamming, hammering, or shaking.
  • High water pressure, leaking faucets, and a toilet that never stops running.

How Do We Check Our Pressure Coming into The House?

The most precise technique is to purchase a pressure gauge and connect it to a hose faucet/bib at your local hardware store. Check the pressure when all other faucets and water-using appliances are turned off to get a baseline reading. In general, the pressure in your home plumbing should be between 30 and 80 psi.

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Conclusion

If you require the best pressure reducing valves and have a limited amount of time for your application, you can contact one of our Pressure Reducing Valve Service Providers.

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