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How to Install a Digital Pressure Regulator?

Before starting, the installer must follow all of the industry’s safety and personal protection equipment to corporate guidelines and these instructions are used to install and repair a regulator used for different purposes. The end-user of the digital pressure regulator must yield to all regulations regarding the installation, operation, application, and general regulator use. This regulator suggests that a competent professional install the unit and be prepared to circumvent leaking fluids or gas dangers from improper installation or startup.

Safety Notes:

  • The electronic pressure regulator takes maximum inlet pressure which depends on the orifice size and model designation. Since there is Non-relief models that are limited to 60 PSIG maximum inlet pressure unless additional safety devices are used (as outlined in the DOT code: OPS, Part 192, Section 192.197).

  • They are also used for liquid petroleum gases that should be determined to second-stage pressure reduction in the gaseous phase.

  • If the B57 which is the type of electronic air pressure regulator diaphragm case is reduced from the valve body using the union nut, the torque specification for tightening the union nut is 35-50 ft·lb. Tighten the union nut to the correct torque specification anytime the nut is loosened.

How to install a Gas Regulator?

Once you start the process of installing the digital pressure regulator, it is important to remove all shipping plugs from the regulator’s inlet, outlet, and vent. Then, keep the piping interior, regulator inlet, and outlet which is free of dirt, chemical bond(pipe dope), tape, or other debris as materials in the piping or regulator inlet or outlet design pressure control loss.

Apply pipe joint adhesive on the exterior pipelines. Do not apply pipe-joint material to the regulator’s interior pipelines. Joint materials could accommodate the regulator to create a loss of pressure control. Gas or liquid must flow via the digital pressure regulator body in the same direction as the arrow on the regulator body. Fluid flowing in the wrong direction may cause an over-pressure condition and damage the regulator.

 

Note: The diaphragm contains may be ascended in any position (through a full 360° angle) close to the regulator body.

Outdoor Installation: 

When installing regulators outdoors, always position the regulator vent so moisture (rain, snow) or foreign particles cannot enter the vent opening. The electronic pressure controllers recommend placing the vent downward. Locate the vent away from building eaves, window openings, or building air intakes. When appropriate, mount the regulator vent above the site’s expected snow level.

Indoor Installation:

When installing a pneumatic pressure regulator electronic indoors, pipe the vent to the outside atmosphere using a vent pipe smaller than the vent connection will limit the electronic pressure control valve internal reserve valve capability. Cover the pipe’s outlet end from moisture and the entry of foreign materials through the system. Set the correct vent size and pipe threads to make the digital pressure regulator vent pipe connection.

Mount a pressure meter downstream of the electronic air pressure regulator to monitor the downstream pressure. With the downstream pressure valve closed, slowly open the inlet valve. The outlet pressure should rise slightly more than the set point.

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