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MD Series Large Bore High Range Pressure Switch

Brand: Orion Instruments

MD switches have been designed for applications that require robust, long lasting switches, coupled with high accuracy and repeatability, in adverse conditions. 

By using appropriate capsules and wetted parts, MD series pressure switches can be used for thousands of applications. 

A wide choice of electrical elements including SPDT, DPDT, gold contacts make these switches ideal for a variety of critical applications. 

A wide scale, when opted for offers ease of setting, given the smaller least counts.
Features
  • Robust
  • Wide scale for easier setpoint (optional)
  • Enclosure protection: IP66 standard
  • Reliable accurate microswitches for long life switching
  • Customized arrangements for switching values on request
  • Easy safe wiring options
  • Field adjustable
  • Accuracy: ±1% Full Scale

Specifications

Accuracy

  • ± 1 % of Full Scale Range

Ambient Temperature Range

  • Operating Ambient Temperature: -20° to 60° C (-4° to 140° F)

Applications

  • Boilers & Compressors
  • Burners & Furnaces
  • Chemical Industry
  • Fire Protection Systems
  • Glass & Metal Industries
  • Hydraulic, Steam & Gas Turbines
  • Machine Tools
  • Natural Gas, LPG Storage & Transportation
  • Power Generation Equipment
  • Railway Braking Systems
  • Steel Industry
  • Sugar & Paper Mills
  • Surgical Gas, Breweries, Milk Industries
  • Tyre Industry
  • Water Treatment

Approvals & Certifications

  • CE

BSP Connection

  • 1” BSP Male

Cable Entry

  • 1/2” NPT Female
  • 3/4” NPT Female
  • M20 x 1.5 Female

Diaphragm Material

  • 316L Stainless Steel
  • Monel
  • Neoprene
  • Teflon

Differential Pressure

  • psi: 1.45 to 11.60 (kPa: 10 to 80, bar: 0.10 to 0.80)

Electrical Rating

  • 15 A at 250 Vac
  • 5 A at 250 Vac

Enclosure, Body Material

  • Die Cast Aluminum
  • Pressure Housing: 316 Stainless Steel
  • Pressure Housing: Monel

Environmental Protection

  • IP66

O-Ring Material

  • Teflon

Operating Pressure

  • psi: 174.05 to 507.63 (kPa: 1,200 to 3,500, bar: 12 to 35)

Process Temperature

  • Media Temperature: for Rubber Diaphragm, Max.

Repeatability

  • Set Point Repeatability: ± 1 % of Full Scale Range

Ring Material

  • Steel Ring: 316 Stainless Steel

Set Point - Decreasing

  • bar: 0.1 to 25
  • kPa: 10 to 2,500
  • psi: 1.45 to 362.3

Set Point - Increasing

  • bar: 0.1 to 25
  • kPa: 10 to 2,500
  • psi: 1.45 to 362.6

Switch Quantity

  • SPDT: 2 Switches

Switch Type

  • DPDT
  • Micro Switch
  • SPDT

System Pressure

  • bar: 0 to 35
  • kPa: 0 to 3,500
  • psi: 0 to 507.63
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