Pressure Regulators

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  • Plast-O-Matic PR Pressure Regulator

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    Plast-o-matic® type PR high performance pressure regulators automatically regulate and prevent the downstream pressure from exceeding its set point. They offer a wide range of adjustable settings, rugged construction, and a rolling diaphragm design that assures sensitive operation.

  • Plast-O-Matic PRA/PRAM Pressure Regulator

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    Plast-o-matic® type PRA & PRAM spring-free air-loaded pressure regulators eliminate spring corrosion problems and outperform spring-loaded regulators through improved response to pressure changes; pressure is maintained without sacrificing flow. They are ideal for applications requiring frequent adjustment or remote control.

  • Plast-O-Matic PRD Pressure Regulator

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    Plast-o-matic® type PRD pressure differential regulators have a pressure differential to 50psi and are used for corrosive and high purity liquids. Their reinforced rolling diaphragm assures sensitive control. A typical application improves optimum filter efficiencies and safety by limiting the pressure differential across a filter or a combination of filters as used in the manufacture of ultra high purity water for the semiconductor industries.

    Data Sheet
  • Plast-O-Matic PRH Pressure Regulator

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    Plast-o-matic® type PRH high performance pressure regulators provide higher set pressures and flow capacities with each model. These are achieved with less pressure losses than similar size competitive regulators. The 4″ size is custom built to order.

    Data Sheet
  • Plast-O-Matic PRH-U Pressure Regulator

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    Plast-o-matic® type PRH-U ultra pure pressure regulators are designed to handle corrosive and ultra pure liquids with inlet pressures up to 150psi at 75°F. Standard downstream set pressure range is 10 to 125psi. The normally open regulators incorporate a poppet seat at the valve orifice to prevent sticking and affecting the sensing of the downstream line pressure.

  • Plast-O-Matic PRHM Pressure Regulator

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    Plast-o-matic® type PRHM high performance pressure regulators permit downstream pressure settings from 5 to 125psi and are designed for higher flow capacities with less system pressure loss.

    Data Sheet
  • Plast-O-Matic UPR Pressure Regulator

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    Plast-o-matic® type UPR ultra pure pressure regulators feature non-shut off design that will pressure balance under no-flow condition and have no metal components other than a non-wetted, PVDF coated spring. They provide maximum flow with minimal pressure loss downstream. A variable area diaphragm provides excellent sensitivity.

  • Plast-O-Matic ZPS Spigot End Connectors

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    High-Purity Spigot-End Connectors of PVDF (Kynar®), Polypropylene and PVC are available for Plast-O-Matic Pressure Regulators, Series RV Relief, By-Pass and Back Pressure Valves, FC Flow Controls, and for Series BSD Miniature Air-Operated Diaphragm Shut-Off Valves.

    Data Sheet