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Normally Closed Direct Acting Corrosive Liquid Solenoid Valves

DEMA’s direct acting valves for corrosive liquids are constructed from PVC, EPDM seal, have a 5/32” orifice size and a CV flow factor of .27. DEMA offers 3 different models. The 481P direct acting diaphragm valve designed for vacuum lines with corrosive liquids. It is designed for 1/8” pipe but can also be injector mounted by using Kit 24-50. The 481-2 is designed to be injector mounted and has dual inlets. It can be mounted on all DEMA B and C series injectors. The 482-2 is also a direct acting diaphragm used on vacuum lines with corrosive liquids but is adjustable and designed for 1/4” pipe.

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Model 481P

    • Vacuum line mounted (1/8”)
    • PVC construction
    • EPDM seal
    • Vacuum pressure
    • 5/32” orifice size
    • CV flow factor .27
    • Optional kit for injector mounting

 

Model 482.2

    • Vacuum line mounted (1/4”)
    • PVC construction
    • EPDM seal
    • Vacuum pressure
    • 5/32” orifice size
    • CV flow factor .27
Model No. Pressure Differential Body Material Pipe Size N.P.T CV Flow Factor # GPM @ 60 psi (cv # x √ psi)
min/psi max/psi
481P Vacuum PVC 1/8″ .27 2.09
482.2 Vacuum PVC 1/4″ .27 2.09

* Shown above are the most common configurations.  Many additional configurations are readily available, contact us at [email protected] or speak with your DEMA sales representative for more information.

Coil Options

Coil Options

  • DEMA solenoid valves are available in many AC and DC voltage ratings and wiring options include a junction box, spade, conduit and din with voltage options of 12VDC, 24VDC, and 24, 120, 208, and 240VAC 50/60 cycle on most models.
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Normally Closed Direct Acting Corrosive Liquid Solenoid Valves
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