The compressed spring and diaphragm are the two opposing forces and the plug acts as the balance between the two. The set screw is used to show the regulator how much pressure we want by turning it to compress the spring. A compressed spring generates a force causing it to push down. This opens the plug and results in more flow (of water, air, or other media).

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20 Mar 2024 — Adjust the Valve: Using a crescent wrench, loosen the lock nut and turn the adjustment screw counterclockwise to lower the water pressure.

However, the most important things you’ll need to know in selecting a regulator for a specific application are what the flowing media is and what the desired flow rate is, and what the inlet and outlet pressures will be.

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We have a variety of pressure reducing regulators available, including self-operated, high flow, differential, vacuum, air-loaded and pilot-operated. Many of our pressure reducing valves have the sliding gate technology which offers precise control in a variety of applications.

Please use for stable supply of test pressure.

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Direct Operated Tank Padding Regulator or Gas Pressure Reducing Regulator for Low Pressure 3/4" - 1-1/4" (DN20 - DN32); Internal Sensing - Good for Low Inlet Pressure

How you choose a pressure reducing regulator depends on why you need it. There are five things you need to have to choose the right pressure reducing regulator with the right flow coefficient (Cv):

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Pressure reducing regulators monitor the downstream pressure and do not need any external power or air source to operate. Instead, they work by force balance. There are 4 main parts to a pressure regulator:

For assistance choosing the right pressure reducing regulator for your application, use our sizing software program or contact your local representative.

Our sliding gate pressure reducing regulators are ideal for steam, liquid and gas media applications. However, we also see use cases for the following applications:

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Jordan Valve has a large line of pressure reducing regulators to meet many different specifications and applications, from self-operated to pilot-operated. The sliding gate pressure reducing regulators achieve levels of performance, reliability and accuracy that are not found in other valve designs. Request a quote today.

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After you have correctly sized your regulator, you’ll then need to know the line size, material, type of connection, whether it’s a shutoff or not, and if it’s either direct or pilot-operated.

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Pressure reducing regulators are used to maintain a set downstream pressure point by reducing the supply, also known as inlet pressure, of a fluid or gas to lower the outlet pressure.

Direct Operated Tank Padding Regulator or Gas Pressure Reducing Regulator for Low Pressures 3/4" - 1" (DN20 - DN25); Balanced Plug - Good for High Inlet Pressures

If you’re not sure what size of pressure reducing valve you need, don’t hesitate to reach out to our experts for help. We also have sizing software available to help with sizing a regulator.

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If there is a change in the controlled pressure, the diaphragm will be forced to move. For example, the pilot plug will allow upstream gas to flow under the diaphragm where the pressure is controlled by the position of the plunger. If any pressure exceeds your set point, the pressure below the diaphragm will be pushed up, closing off the pilot plug.