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A typical spring-adjusted pressure sustaining valve is shown in the sketch at right. When fluid pressure on the diaphragm exceeds the spring force, the valve stem lifts and increases flow to achieve setpoint. Pressure is controlled on the inlet port.

Glycol chiller cooling loops are used frequently in brewing or fermentation chambers and chemical manufacturing plants to control process temperature inside a reactor or tank. Oftentimes the process temperature during production is a delicate parameter that needs to be kept within a strict operating window. In order to keep that temperature in control, the flow and pressure of the cooling liquid through the chiller loop needs to be accurate.

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An Equilibar BPR can be used to control pressure of the chiller fluid loop, keeping process temperatures at the required setpoint. Using the same principle as the pressure sustaining valve above, the Equilibar BPR can be positioned in the recirculating cooling loop to provide stable chiller supply pressure during changes in demand from the manufacturing process.

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A common application for a pressure sustaining valve is in a recirculation loop with a pump. A pump cannot build its discharge pressure unless there is resistance on its outlet piping. A properly sized pressure sustaining valve can create just the necessary amount of resistance to accurately control pump discharge pressure.

If your application requires high precision or has very demanding conditions, the Equilibar BPR may be ideal. Contact us to find out.

The MTB thermostatic mixing valve for DHW to be installed at the outlet of the water heater. Mixed water setting range: 30/65°C. Maximum static pressure: 10 ...

The schematic at right shows how an Equilibar® back pressure regulator (BPR) can perform this pressure sustaining function. Typical applications include spraying or dispensing of liquids.

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WATTS-REG 100XL-4 M7,0066100,Watts,,3/4IN T&P VALVE 4INTEMP. STEM,Meier Supply Co., Inc.

A new pressure limiting valve starts at a supply and install price of $110 GST inclusive. A new cold water expansion valve is supplied and installed at $120.

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With a reverse osmosis system, water is pushed into semi-permeable membranes that will filter 90-99% of potentially harmful substances. Because these RO ...

An Equilibar BPR in a recirculating fluid loop controlling pump pressure. Frequently used to control fluid spraying, fluid dispensing and chiller loop applications.

Inlet Port: 2 inch. Outlet Port: 2 inch. Product Description. Reduced Pressure Zone Backflow Preventer Assembly. This backflow prevention assembly consists of a ...

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The G 1/2" 3/4" 1" 2" Brass Water Pressure Reducing Maintaining Valve is a robust and reliable solution for managing water pressure in various applications.

Equilibar precision pressure sustaining valves are referred to as back pressure valves or regulators. They work in a different way from traditional valves. They use a fluid pressure on the top of the diaphragm instead of a spring and also use direct diaphragm sealing instead of a traditional valve seat. Their lightning fast response and zero hysteresis give them a real performance advantage  over traditional pressure sustaining valves.

WATTS LF009M2QT - 2" - Reduced Pressure Zone Assembly RP - (0391007) · Captured springs for safe maintenance · Quarter turn full port resilient seated ball valve ...

By code, water pressure inside your house should be between 40-80 pounds per square inch (psi). If the water pressure delivered by your water supplier is higher ...

These valves provide a mechanical constriction in the pipe, much as an orifice plate reduces the cross-sectional flow area, thereby effecting a local pressure ...

We’re happy to report that the Equilibar team is fully back at work this week following Hurricane Helene. While Helene wreaked havoc across the Western North Carolina mountains, we feel extremely lucky that all of our team members and their families are safe and our facilities had only minor issues. Once we could return to Read More

17 Dec 2018 — ... pressure calculation needed for the expansion tank fill pressure. Another piece of information needed is the maximum pressure at the tank.