Delta Controls Differential Pressure Switch, 310/316
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310/316 Differential Pressure Switch

Brand: Delta Mobrey
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Delta Controls Differential Pressure Switch, 310/316
The model 310 Differential Presure Switch is suitable for setpoints between psi: -0.04 (kPa: -0.25, mbar: -2.5) and psi: 1.08 (kPa: 7.5, mbar: 75) with maximum working pressures from psi: -7.25 to 7.25 (kPa: -50 to 50, mbar: -500 to 500). 

The model 316 Differential Presure Switch is suitable for setpoints between psi: 0 (kPa: 0, bar: 0) and psi: 23.21 (kPa: 160, bar: 1.6) with maximum working pressures from full vacuum to psi: 217.6 (kPa: 1,500, bar: 15).
Features
  • Die-cast weatherproof enclosure to IP66 (NEMA 4)
  • Stainless steel mechanism
  • Internal tamperproof set point adjustment
  • Calibrated scale
  • Set point adjustment from -2.5 mbar (-1 in H₂O) up to 20 psi (1.6 bar)

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Specifications

Brand

Adjustment Type

  • Internal Tamperproof Set Point Adjustment

Ambient Temperature Range

  • -25° to 60° C (-13° to 140° F)

Applications

  • Chemical Industry
  • Food Industry
  • Oil & Gas Applications
  • Petrochemical
  • Power
  • Refining

Approvals & Certifications

  • CSA
  • UL

BSP Connection

  • 1/4” BSPT Female

Cable Entry

  • M20 x 1.5 Elbow Adaptor

Conduit Connection

  • 3/4” Conduit

Diaphragm Material

  • Nitrile

Electrical Contacts

  • Gold Alloy Contacts for Low Energy Circuits

Electrical Rating

  • IEC 947-5-1 / EN 60947-5-1: 0.22 / 0.1 A at 125/250 Vdc
  • IEC 947-5-1 / EN 60947-5-1: 0.6 / 0.3 A at 120/240 Vac
  • UL & CSA: 100 mA at 30 Vdc
  • UL & CSA: 2 A at 30 Vdc
  • UL & CSA: 5 A at 110/250 Vac
  • UL, CSA & IEC: 1 A at 125 Vac

Enclosure Finish

  • Light Gray Epoxy Resin Paint

Enclosure, Body Material

  • Die Cast Zinc Alloy

Environmental Protection

  • IP66
  • NEMA 4

Mounting Position

  • Vertical

Operating Pressure

  • psi: -14.5 to 217 (kPa: -100 to 1,500, bar: -1 to 15) Max. - Model 316

Repeatability

  • Set Point Repeatability: ± 1 % of Span at 20° C (68° F) Ambient

Seat / Seal Material

  • Seal: Nitrile

Set Point - Decreasing

  • bar: 0 to 1.6 - Model 316
  • Inches WC: 0 to 160 - Model 316
  • Inches WC: -1 to 30 - Model 310
  • mbar: 0 to 400 - Model 316
  • mbar: -2.5 to 75 - Model 310
  • psi: 0 to 20 - Model 316

Set Point - Increasing

  • bar: 0 to 1.6 - Model 316
  • Inches WC: 0 to 160 - Model 316
  • Inches WC: -1 to 30 - Model 310
  • mbar: 0 to 400 - Model 316
  • mbar: -2.5 to 75 - Model 310
  • psi: 0 to 20 - Model 316

Static Pressure

  • psi: -14.5 to 217 (kPa: -100 to 1,500, bar: -1 to 15) - Model 316
  • psi: -7.25 to 7.25 (kPa: -50 to 50, Mbar: -500 to 500) - Model 310

Switch Type

  • SPDT

System Pressure

  • bar: 15
  • kPa: 1,500
  • psi: 217.5

Voltage

  • Impulse to Withstand Voltage Across Contacts: 0.8 kV
  • Insulation Voltage: 250 V
  • Withstand Voltage: 2 kV between Live Parts & Earth/Ground
  • Withstand Voltage: 500 V between Open Contacts

Wetted Materials

  • Die Cast Aluminum - Model 316
  • Die Cast Zinc Alloy - Model 310

  • Oil & Gas
  • Chemical
  • Petrochemical
  • Refining
  • Power
  • Food Industry

Documentation

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