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.
Made in USA. brand PLAST-O-MATIC, model PRD/PRDM
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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:
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.
You can request the necessary certificates, documentation, instructions and user manuals for PLAST-O-MATIC PRD/PRDM using the special form.
You can buy PLAST-O-MATIC PRD/PRDM in UK or Europe at a favourable price in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email dolce@dolcetrade.com. PLAST-O-MATIC PRD/PRDM price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.
See also: Pressure Regulators, Valves & Fitting
