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D-Series NEMA 7/9 Differential Pressure Switch
- Overview
- Applications
- Certificates & Approvals
Overview
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 pressure control, shutdown or alarm operations.
Key Features:
- Adjustable setpoint from 15-100% of range
- Explosion-proof enclosure provides uncompromising protection
- Fixed or limited adjustable deadband
- Wide selection of switch element and wetted materials
- External locking screw (ATEX / IECEx approval only)
Specifications:
- Accuracy: ±1% full scale
- NEMA 7/9 (IP66) aluminum enclosure
Epoxy-coated aluminum (standard)
316 Stainless steel (option XYW) - Single setpoint
- SPDT or DPDT switching option
- Differential pressure ranges: 75 mbar thru 42 bar
Applications
The D7 Differential Pressure Switch is ideal where accurate and reliable pressure measurement are essential:
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
Certificates & Approvals
- ATEX
- CE
- CSA
- EAC
- FM
- IECEx
- RoHS
- SIL
- UL
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