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PLAST-O-MATIC PRD/PRDM Differential Pressure Regulators

Series PRD/PRDM is a differential pressure regulator with a port for a downstream pressure sensing line. The sensing line feeds the pressure downstream of the equipment being protected to the top of the spring housing, which assists the spring in keeping the regulator open against the pressure directly at the regulator outlet. When pressure downstream begins to drop (as it would when a filter becomes more and more clogged), the regulator begins to close and becomes fully closed when the differential setting is reached. This assures against overpressure across the equipment. Molded and machined valves in 1/4″ through 3″ and metric pipe sizes in popular thermoplastic materials with a wide range of connection types. Differential set range 5-50 PSI.

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Made in USA. brand PLAST-O-MATIC, model PRD/PRDM

Fast delivery to Latvia, Estonia and Lithuania. International delivery to Europe, Asia, Africa and other continents available on request
Our warehouse is located in Riga, Latvia.

price by request

Available

Available

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Official distributor in Latvia

Time-tested American, European and Asian brands of control and measurent instruments

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Special price list for organisations

We offer a significant discount for trade organisations and manufacturing companies

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Worldwide shipping on request

We take care of all logistics and customs clearance. Fast delivery to Baltic countries

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After-sales service and support

Warranty service and repair, expert assistance in the operation of the instruments

Descriptions of PLAST-O-MATIC PRD/PRDM

Series PRD differential pressure regulators are used to control the pressure differential (∆P) across downstream system equipment. A typical application improves optimum filter efficiencies and safety by limiting the pressure differential across a filter or combination of filters as used in the manufacture of ultra-high purity water for the semiconductor industries.

OPERATION:

  • The differential pressure setting is P2 minus P3.
  • The differential pressure regulators operate practically the same as the standard regulator.
  • The difference is in the second sensing line which feeds the pressure downstream of the equipment (P3) to the top of the spring housing and aids the spring in keeping the regulator open against the pressure directly at the regulator’s outlet (P2).
  • When downstream pressure P3 begins to drop (as would be the case if the equipment is a filter collecting particles) the regulator begins to close and becomes fully closed when the differential pressure setting is reached.
  • When used with a filter the differential pressure regulator eliminates the possibility of overpressure across the filter membrane.

Technical specifications of PLAST-O-MATIC PRD/PRDM

  • Rugged plastic construction with inlet pressures to 150 PSI.
  • Reinforced rolling diaphragm assures sensitive control.
  • Wide range of adjustable differential settings from 5 – 50 PSI.
  • Long cycle life.
  • Wide range of body materials and seals.

Design:
The design follows that of the standard pressure regulator. It is modified by incorporating two threaded 1/4 NPT ports in the top of the spring housing, one for the differential sensing line and the other for exhausting air from the housing. A sealing screw is provided for the exhaust. The control spring is stainless steel and is coated with PVC or PTFE to eliminate contamination and corrosion.

User Guide and Instruction manual for PLAST-O-MATIC PRD/PRDM

You can request the necessary certificates, documentation, instructions and user guide for PLAST-O-MATIC PRD/PRDM using the special form.

You can buy PLAST-O-MATIC PRD/PRDM in Latvia at a favourable price in «OLIL SIA» by leaving a request on the website, by phone +371 672 70580 or by email . PLAST-O-MATIC PRD/PRDM price are subject to change depending on exchange rates. We deliver instruments by transport companies in Latvia, Estonia and Lithuania. Worldwide shipping to Europe, Asia, Africa, North and South America available on request.