Diaphragm pressure switch D series

differentialNPT 1/2NPT 1/4

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. Key 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 Ranges from 30 in. H2O to 600 PSID FM, CE and CRN approved RoHS Compliant Applications: Process Market: Offshore Oil Rigs Pulp and Paper Mills Power Plants Steel Mills Water and Sewage Treatment Facilities Industrial Market: Washers and Filters Degreasers and Evaporators Recovery Systems Reverse Osmosis Systems / Filters Ground Support Equipment Hydraulic and Lubrication Systems Heating and Air Conditioning Marine Equipment Specialized OEM Equipment Setpoint Repeatability (Accuracy) ±1% of span (Additional setpoint shift of ±1% of range per 50°F from initial setpoint set at 70°F typical) Setpoint Single setpoint - Factory set or field adjustable Deadband Fixed or limited adjustable Enclosure Material Epoxy coated aluminum or 316 stainless steel Electrical Termination ½ NPT Female, M20 X 1.5 (OPT.) Diaphragm/Actuator Material Buna-N®, Teflon®, Viton®, 316L stainless steel, or Monel®