Dwyer Series 1000W Pressure Switches

With extremely rugged construction the Dwyer Series 1000W Weatherproof Diaphragm Operated Pressure Switch provides excellent reliability in chemical, petroleum, and industrial plants. Bellville spring movement permits mounting of control in any position and helps prevent contact chatter. The new design also provides high over-pressure protection. The weatherproof housing is standard.

Product Applications

  • Chemical, petroleum, food, and drug processing industries
  • Process and Industrial applications

Wetted Materials: See pressure chamber and diaphragm material in Model chart.
Temperature Limits: -30 to 170°F (-35 to 77°C).
Pressure Limit : 3000 psig (206.8 bar).
Enclosure Rating: Weatherproof, meets NEMA 4X (IP66).
Switch Type: SPDT snap switch.
Electrical Rating : 15 A @ 125/250 VAC resistive.
Electrical Connections: Screw type.
Conduit Connection: 3/4″ female NPT.
Process Connection : 1/4″ female NPT.
Mounting Orientation : Any position.
SetPoint Adjustment: Internal thumbwheel.
Weight : 3 lb (1.4 kg).
Deadband: See Model chart.
Agency Approvals: CE, UL.

  • Weatherproof housing is ideal for a wide variety of applications where dust or water is present
  • Spring movement design provides for control in any mounting position and prevents contact chatter reducing false or inconsistent switching

Manuals: Instruction Manual – English
Catalog Pages: Series 1000W Catalog Page

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