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Dwyer Instruments

PressureDifferential Pressure Switch

product price: $827.99
/ea
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Key Features

  • Features Clear easy-to-read scale and external set point adjustment simplifies operation and trouble shooting; Large diaphragm provides accuracy for precise control; Multiple switching options meet the design of applications
  • Electrical Connections Screw type.
  • Wetted Materials Fairprene, brass, steel, and aluminum.
  • Process Connection 1/2" male NPT and 1/8" female NPT used for single positive pressure or high differential pressure, 1/8" female NPT used for single vacuum or low differential pressure.
  • Conduit Connection 7/8" (22.23 mm) hole for 1/2" (12.7 mm) conduit hub.
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Product Information

Details

Features Clear easy-to-read scale and external set point adjustment simplifies operation and trouble shooting; Large diaphragm provides accuracy for precise control; Multiple switching options meet the design of applications
Electrical Connections Screw type.
Wetted Materials Fairprene, brass, steel, and aluminum.
Process Connection 1/2" male NPT and 1/8" female NPT used for single positive pressure or high differential pressure, 1/8" female NPT used for single vacuum or low differential pressure.
Conduit Connection 7/8" (22.23 mm) hole for 1/2" (12.7 mm) conduit hub.
Repeatability ±1% of full range.
Set Point Adjustment External screw.
Agency Approvals UL, FM for mercury switch models. UL only on snap switch models.
Mounting Orientation Vertical.
Enclosure Rating General purpose. Weatherproof and explosion-proof optional.
Pressure Limit Single Pressure Use on High Side: sustained pressure: 15 psig (1.0 bar); surge limit: 20 psig (1.4 bar). Differential Pressure Use: sustained pressure, range P1: 2 psig (.14 bar); sustained pressure, range P2: 10 psig (0.7 bar).
Temperature Limits -10 to 180°F (-23 to 82°C).

Description

Gas pressure/differential pressure switch, range 1-30" water (.25-7.47 kPa), max. deadband 1.9" w.c. (0.47 kPa), SPDT mercury switch.

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