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Dual Hi-Lo Pressure Switch
Brand: SOR Inc
Dual Hi-Lo pressure switches are rugged, field-mounted instruments.
The pressure sensing assemblies are conventional Static "O" Ring type. The main difference is that two sensing assemblies share a common process pressure port, housing and electrical conduit connection.
Two discrete sensing assemblies provide independently adjustable, fine resolution Set Points that can be calibrated to the same actuation point, or split to the full span of the adjustable range without interaction.
Specifications
Brand
Adjustment Type
- Field Adjustable Set Points
Ambient Temperature Range
- -34° to 80° C (-30° to 180° F)
Approvals & Certifications
- ATEX II 2 G EEx M II, Db IIC T5/T6 Gb
- CRN
- CSA Hazardous Locations Class I Groups A, B, C, D, Class II Groups E, F, G, Divisions 1 & 2
- FM
- IEC 61508
- RTN
- SAA
- TestSafe Hazardous Locations Ex S IIC T6 IP65 Class I, Zone 1 DIP T6 IP65
- UL Hazardous Locations Class I Groups A, B, C, D, Class II Groups E, F, G, Divisions 1 & 2
Approvals & Certifications
- Calibration
- Compliance/Conformance
- Dielectric Test
- Hydrostatic Pressure Test
- Inspection Report
- Insulation Resistance
- SIL 1 & 2 Certification
- Typical Material of Wetted Parts
Conduit Connection
- Electrical: 3/4” NPT Female
Deadband
- Typical psi: 0.2 to 98 (kPa: 1.4 to 700, bar: 0 to 7) - K Switch
- Typical psi: 0.6 to 294 (kPa: 4.13 to 2,027, bar: 0.04 to 20.27) - EF Switch
Diaphragm Material
- 316L Stainless Steel
- Buna-N
- Carpenter 20 Stainless Steel / Alloy 20 or Incoloy
- Ethylene Propylene (EPR)
- Hastelloy B
- Hastelloy C
- Kalrez
- Monel
- Neoprene
- Tantalum
- Teflon-Coated Polyimide (TCP)
- Viton
Electrical - Free Leads
- 18”, 18 AWG Wire Leads
Electrical Connectors
- 1/2” NPT Female
- 3/4” NPT Female
- M20 x 1.5 Female
- Terminal Block, 6-Place Compression & Screw Typical
Electrical Contacts
- Lower Power Gold Contacts
- Normally Closed
- Normally Open
Electrical Rating
- 0.3 A at 125 Vdc, Resistive - High Ambient Temperature Rating 204.4° C (400° F)
- 0.4 A at 125 Vdc, Resistive - Normal Service AC, Wide Adjustable Dead Band
- 0.5 A at 125 Vdc, Resistive - Wide Dead Band AC & DC, AC or DC, Narrow Dead Band DC, Very Wide Dead Band DC, High Ambient Temperature Rating 204.4° C (400° F), Hermetically Sealed Switching Element
- 1 A at 125 Vac - Low Power Gold Contacts, Hermetically Sealed Switching Element
- 1 A at 28 Vdc, Resistive - Low Power Gold Contacts
- 1 A at 30 Vdc, Resistive - Low Power Gold Contacts, Hermetically Sealed Switching Element
- 1.5 A Min. at 125 Vdc, Resistive - Very High Capacity DC Magnetic Blow-Out
- 10 A at 125 Vac - Very High Capacity DC Magnetic Blow-Out
- 10 A, Max.
- 11 A at 250 Vac - AC or DC, Hermetically Sealed Switching Element
- 15 A at 250 Vac - Normal Service AC, Wide Dead Band AC & DC, Very Wide Dead Band DC, Wide Adjustable Dead Band
- 5 A at 250 Vac - Narrow Dead Band DC, High Ambient Temperature Rating 204.4° C (400° F), Hermetically Sealed Switching Element
- 5 A at 30 Vdc, Resistive - Normal Service AC, AC or DC, Narrow Dead Band DC, Hermetically Sealed Switching Element
Enclosure Finish
- Epoxy Coated (Exterior Only)
- Epoxy Powder-Coated
- Fungicidal Varnish (Covers Exterior & Interior Except Working Parts)
Enclosure, Body Material
- Copper-Free Aluminum Alloy 356
Environmental Protection
- IP65
- IP66
- NEMA 4
- NEMA 4X
Mounting
- Pipe Mounting Kit for 1-1/2 to 2” Pipe
Name Plate, Tag Material
- Stainless Steel
- Fiber
NPT Connection
- 1/2” NPT Female
- 1/2” NPT Male
- 1/4” NPT Female
- 1/4” NPT Male
O-Ring Material
- AFLAS
- Buna-N
- Ethylene Propylene (EPR)
- FFKM
- Kalrez
- Neoprene
- Viton
- Viton GLT
Overpressure & Static Pressure Limits
- Overpressure psi: 750 to 4,600 (kPa: 5,000 to 32,000, bar: 50 to 320)
Piston Material
- Stainless Steel for Corrosion Resistance
Process Connection Material
- Pressure Port Material: 316 Stainless Steel, CF-8M Casting
- Pressure Port Material: Aluminum Alloy 356 Copper-Free Casting
Proof Pressure
- psi: 1,000 to 4,600 (kPa: 7,000 to 32,000, bar: 70 to 320)
Set Point - Decreasing
- bar: 0.14 to 275
- Inches Hg: -30 to 15
- kPa: 14 to 27,500
- psi: 2 to 4,000
Set Point - Increasing
- bar: 0.14 to 275
- Inches Hg: -30 to 15
- kPa: 14 to 27,500
- psi: 2 to 4,000
Special Cleaning & Packaging
- Wetted Parts are Cleaned for Oxygen Service
Switch Type
- DPDT
- SPDT
System Pressure
- bar: 0.138 to 317.2
- kPa: 13.79 to 31,716
- psi: 2 to 4,600
- Alarms
- Control Applications
- Safety Shutdown Applications