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D-Series NEMA 7/9 Explosion Proof Differential Pressure Switch
Brand: Ashcroft IncDoes not ship to OH, United States
The Ashcroft® D7 NEMA 7/9 differential pressure switch is designed for applications requiring safety, reliability and long-cycle life.
It is ideal for satisfying requirements for differential pressure control, shutdown or alarm operations in hazardous locations.
Features- Adjustable setpoint from 15-100% of range
- Explosion-proof enclosure provides uncompromised protection
- Fixed or limited adjustable deadband
- Wide selection of switch element and wetted materials
- External locking screw (ATEX / IECEx approval only)
- Ranges from 30 in. H2O to 600 PSID
- UL, CSA, ATEX, IECEx hazardous approvals
- FM, CE and CRN approved
- SIL 3 capable
- RoHS Compliant
Specifications
Brand
Set Point
- Single setpoint - Factory set or field adjustable
Setpoint Repeatability (Accuracy)
- ±1% of span (Additional setpoint shift of ±1% of range per 50° F from initial setpoint set at 70° F typical)
Enclosure Ratings
- NEMA 7, 9 / IP66
Electrical Termination
- 1/2 NPT Female
- M20 X 1.5 (OPT.)
Ambient Temperature
- -29° to 65° C (-20° to 150° F)
Enclosure Material
- Epoxy Coated Aluminum
- 316 Stainless Steel
Diaphragm/Actuator Material
- Buna-N
- Monel
- 316 L Stainless Steel
- Teflon
- Viton
Process Temperature
- 0° to 150° F (Buna N or Teflon diaphragm)
- 0° to 300° F (Stainless steel or Monel diaphragm)
- 20° to 300° F (Viton diaphragm)
Pressure Range
- 30 in. H2O differential thru 600 psid
Process Connection
- 1/4 NPT Female (STD.)
- 1/2 NPT Female
- 1/4 NPT Female & 1/2 NPT Male combo (OPT.)
Approvals & Certifications
- ATEX
- CE
- CRN
- CSA
- FM
- IEC Ex
- UL
- RoHS
- SIL 3 Capable (B-D-T Switch Models)
- Process Market:
- Offshore Oil Rigs
- Chemical and Petrochemical Plants
- Pulp and Paper Mills
- Power Plants
- Steel Mills
- Water and Sewage Treatment Facilities
- Industrial Market:
- Pumps, Compressors and Turbines
- Washers and Filters
- Degreasers and Evaporators
- Recovery Systems
- Reverse Osmosis Systems / Filters
- Food Processing
- Ground Support Equipment
- Hydraulic and Lubrication Systems
- Heating and Air Conditioning
- Marine Equipment
- Specialized OEM Equipment
