HAND PUMP The Ashcroft® B7 NEMA 7/9 pressure switch is designed for use in virtually all industrial and OEM applications. This model provides accuracy, reliability and long-cycle life, while the rugged, explosion-proof housing provides superior protection. Ideal for satisfying requirements for pressure control, safety shutdown or alarm operations in hazardous applications.  Key Features: Explosion-proof enclosure provides uncompromising protection Adjustable from 15%-100% of range Fixed or limited adjustable deadband Wide selection of switch elements and wetted materials External locking screw (ATEX / IECEx approval only) Specifications: Accuracy: ±1.00% full scale NEMA 7/9 (IP66) enclosure Epoxy-coated aluminum (standard)  316 Stainless steel (option XYW) Single setpoint SPDT or DPDT switching option Pressure ranges: vacuum to 3,000 psi The B-Series NEMA 7/9 pressure switch is designed for use in a host of applications is ideal where accurate and reliable pressure measurements 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 Boilers and Burners Degreasers and Evaporators Recovery Systems Reverse Osmosis Systems and Filters Food Processing Ground Support Equipment Hydraulic and Lubrication Systems Heating and Air Conditioning Marine Equipment Specialized OEM Equipment