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  • Plast-O-Matic PS Series Polypropylene Pilot Solenoid Valve, For Acids and Highly Corrosive Liquids, 2 Ways, Normally Closed, EPDM Diaphragm, NPT Female
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Plast-O-Matic PS Series Polypropylene Pilot Solenoid Valve, For Acids and Highly Corrosive Liquids, 2 Ways, Normally Closed, EPDM Diaphragm, NPT Female

Available in multiple versions


Price: $532.51 - $879.74
Product Specifications
Brand Name Plast-O-Matic
Material Type Polypropylene (PP)
Maximum Pressure 140  PSI
Upper Temperature Range 140  Degrees Fahrenheit
Connector Type NPT Female
Construction Type Rugged thermoplastic construction
Manufacturer Series Number PS
Operation Mode Pilot Operated
Seal Material Type EPDM
Shape Inline
Style Name Threaded
UNSPSC Code 40141605

PS Series Solenoid Valves are pilot-operated, 2- way, normally-closed valves. They require a mini... Read full product description



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1" B007R8HMXG
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$571.95
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1-1/2" B007R8HNEY
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$810.00
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1/2" B007R8HLEG
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$532.51
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2" B007R8HO20
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$879.74
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3/4" B007R8HMHC
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$560.00
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Product Features

  • Normally closed, in-line design with bubble-tight shut-off
  • Minimum 5 PSI differential required
  • Patented Fail-Dry vented design
  • Resistant to atmospheric corrosion
  • PTFE Bellows barrier-type dynamic seal prevents leaking of fugitive emissions to the atmosphere

Product Details


Product Description

PS Series Solenoid Valves are pilot-operated, 2- way, normally-closed valves. They require a minimum line pressure and minimum differential pressure to open and close. When the solenoid coil is de-energized, upstream pressure atop the diaphragm holds the valve closed. When the coil is energized, flow through the pilot valve creates a pressure difference across the diaphragm which opens the main valve orifice. These valves have 11-watt coils and can be energized continuously. Although these valves are normally-closed, positive, leak tight sealing requires a small inlet pressure. A minimum inlet pressure of 5 PSI is recommended. These valves should open fully at 5 PSI differential and higher. "PS" valves have very high Cv-factors. If process flow rates do not maintain 5 psid, the valve will not stay fully open, which means the pressure drop may be higher and the Cv-factor lower than anticipated. This should not adversely affect valve performance. Series PS automatically shuts off flow of highly corrosive and ultra-pure liquids. They can handle acids, caustics, solvents, chlorine solutions, sodium solutions, deionized water, reverse osmosis water, brewery processes, etc. as long as a 5 psi differential is maintained. Series PS is not suitable for solutions containing particulate matter or solutions that tend to precipitate solids. High pressure: Particularly for applications where high back-pressures (up to 70 PSI) are required e.g. controlling flow spray nozzles, high pressure chemical injections, etc. Inlet pressure to 140 PSI. Patented Fail-Dry safety design feature provides advance visual warning if seal malfunctions, while permitting valves to continue operating until maintenance can be scheduled. Cycle life in excess of 1,000,000 cycles. Energy-efficient 11 watt coil. Molded coil and standard DIN connector; designed to meet NEMA 4X. Body material: Polypropylene.

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