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DK Series 2 SPDT Hydraulic Pressure Switch

Brand: Orion Instruments

DK series pressure switches are housed in pressure die cast Aluminum powder coated enclosure (IP65) and are recommended for panel mounting or outdoor service. 

Stage differential can be set in these 2SPDT versions (DK series). 

Both microswitches are synchronized for operation such that the stage difference (or gap) can be adjusted from minimum 15% of FSR to a maximum of 50% of FSR (on falling setpoints).

The repeat accuracy is better than 2% Full Scale. 

Two separate connectors to DIN 43650 are provided for electrical wiring for two independent circuits. 

Pressure port is 1/4" BSPF standard.
Features
  • Compact Separate chamber for working parts 
  • Choice of wetted parts to suit working media 
  • Electrical rating: 5 A, 250 
  • Vac; 0.2 A, 250 Vdc (res.) 
  • Pressure port: 1/4" BSPF
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Specifications

Accuracy

  • ± 2 % of Full Scale Range

Applications

  • Alarm & Trip Function

BSP Connection

  • 1/4" BSP Female

Differential Pressure

  • psi: 87.02 to 1,087.87 (kPa: 600 to 7,500, bar: 6 to 75) - Max.

Electrical Connectors

  • DIN 43650 Connector for Wiring

Electrical Rating

  • 0.2 A at 250 Vdc - Resistive
  • 5 A at 250 Vac

Enclosure Finish

  • Die Cast Aluminum Powder-Coated

Enclosure, Body Material

  • Aluminum
  • Brass

Mounting

  • Panel Mount

Mounting Position

  • M30 x 1.5 Male for Horizontal Mounting
  • Vertical

O-Ring Material

  • Viton

Operating Pressure

  • psi: 1160.3 to 2,900.76 (kPa: 8,000 to 20,000, bar: 80 to 200) - Max.

Piston Material

  • Carbon Steel (EN 8)
  • Stainless Steel

Ring Material

  • Back-Up Ring: Teflon

Set Point - Decreasing

  • bar: 5 to 100
  • kPa: 500 to 10,000
  • psi: 72.52 to 1,450.38

Set Point - Increasing

  • bar: 5 to 100
  • kPa: 500 to 10,000
  • psi: 72.52 to 1,450.38

Switch Quantity

  • 2 Switches

Switch Type

  • SPDT

System Pressure

  • bar: 0 to 200
  • kPa: 0 to 20,684
  • psi: 0 to 2,900

Wetted Materials

  • Surge Suppressor / Surge Reducer: Brass
  • Surge Suppressor: Carbon Steel (EN 8)
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