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GR3/GR6 Differential Pressure Switch
Brand: Delta Mobrey
Features
- 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%
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