Delta Controls Differential Pressure Switch, GR3/GR6
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GR3/GR6 Differential Pressure Switch

Brand: Delta Mobrey
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Specifications
  • Compact and rugged design
  • Hermetically sealed snap switch UL and CSA listed
  • ATEX - Flameproof CENELEC EEx d IIC option
  • ATEX - Intrinsically Safe ATEX Ex ia IIC option
  • Weatherproof IP66 / NEMA 4
  • Stainless steel body option NEMA 4X rating
  • Maximum Working (Static or line) Pressure up to psi: 3,500 (kPa: 25,000, bar: 250)
  • Ranges available up to psi: 160 (kPa: 1,000, bar: 10)
  • Variety of wetted parts including NACE MR-01-75 compatibility option
  • Optional weatherproof, ATEX EEx e, ATEX Ex ia or ATEX - Flameproof EEx d IIC terminal enclosures
  • Field adjustable
  • Accuracy 1%

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Specifications

Brand

Adjustment Type

  • Field Adjustable

Ambient Temperature Range

  • -40° to 80° C (-40° to 176° F)

Applications

  • Chemical Industry
  • OEM Applications
  • Oil & Gas Applications
  • Petrochemical

Approvals & Certifications

  • ATEX Ex ia IIC
  • CENELEC EEx d IIC
  • CSA Class I, Grade A, B, C, D, Class II, Groups E, F, G, Div. 1 & 2
  • Ex II 1 GD, II 2 G
  • IEC Ex
  • NEC 500: Class I, Grade A, B, C, D, Class II Groups E, F, G Div. 1 & 2
  • UL Class I, Grade A, B, C, D, Class II, Groups E, F, G Div. 1 & 2

BSP Connection

  • 1/4” BSPT Female

Cable Entry

  • M20 x 1.5

Conduit Connection

  • 1/2”-14 NPT External
  • M20 x 1.5

Diaphragm Material

  • 316 Stainless Steel
  • Nitrile

Electrical - Free Leads

  • 18 AWG, 1.19 mm², High Duty PVC Insulated Factory Sealed Flying Leads

Electrical Contacts

  • Gold Alloy
  • Silver
  • Silver Contact with Gold Flash

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: 0.3 A at 120 Vac
  • IEC 947-5-1 / EN 60947-5-1: 0.6 / 0.3 A at 120/240 Vac
  • UL/CSA: 1 A at 125 Vac
  • UL/CSA: 1 A at 30 Vdc
  • UL/CSA: 11 A at 110/250 Vac
  • UL/CSA: 2 A at 30 Vdc
  • UL/CSA: 5 A at 250 Vac
  • UL/CSA: 5/0.5 A at 30/125 Vdc

Enclosure Finish

  • Epoxy Paint for Aluminum Enclosure

Enclosure, Body Material

  • Aluminum
  • Stainless Steel

Environmental Protection

  • Flameproof
  • Intrinsically Safe
  • IP65
  • IP66
  • NEMA 4
  • NEMA 4X
  • NEMA 7
  • NEMA 9
  • Weatherproof

Flange Material

  • Aluminum
  • Cast Iron

Mounting

  • 2” Pipe Mounting Bracket

NACE & NIST

  • NACE MR-0175

Name Plate, Tag Material

  • Stainless Steel

NPT Connection

  • 1/2”-14 Female NPT
  • 1/2”-14 Male NPT
  • 1/4”-18 Female NPT

Operating Pressure

  • psi: 0 to 1,600 (kPa: 0 to 11,000, bar: 0 to 110) - Model GR3
  • psi: 0 to 3,500 (kPa: 0 to 25,000, bar: 0 to 250) - Model GR6

Process Temperature

  • 0° to 120° C (32° to 248° F) - Max.

Repeatability

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

Seat / Seal Material

  • O-Ring Seal: Nitrile
  • O-Ring Seal: PTFE
  • O-Ring Seal: Viton

Service

  • Oxygen Service

Set Point - Decreasing

  • bar: 0.4 to 10
  • Inches WC: -5 to 64
  • kPa: 40 to 1,000
  • mbar: -12.5 to 600
  • psi: 1.5 to 160

Set Point - Increasing

  • bar: 0.4 to 10
  • Inches WC: -5 to 64
  • kPa: 40 to 1,000
  • mbar: -12.5 to 600
  • psi: 1.5 to 160

Switch Type

  • DPDT Hermetically Sealed & Snap-Action Microswitch
  • SPDT Hermetically Sealed & Snap-Action Microswitch

System Pressure

  • bar: 250
  • kPa: 25,000
  • psi: 3,500

Voltage

  • Impulse Withstand Voltage Across Contacts & between Open Contacts: 500 V
  • Impulse Withstand Voltage Across Contacts: 800 V
  • Insulation Voltage: 125 V
  • Insulation Voltage: 250 V
  • Withstand Voltage: 1.5 kV between Live Parts & Earth/Ground

Wetted Materials

  • 316 Stainless Steel
  • Austenitic 300 Stainless Steel

  • Oil & Gas
  • Chemical
  • Petrochemical
  • OEM

Documentation

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