Description Specifications Literature Description Barksdale's D1X and D2X Explosion Proof Diaphragm Pressure Switches offer high accuracy and reliability, providing an ideal solution for your hazardous locations pressure control requirements. With vacuum and positive pressure ranges to 150 psi, NEMA 4,7,& 9 enclosures, a covered terminal strip and tamper-proof external adjustment, Barksdale D1X and D2X Explosion Proof Diaphragm Pressure Switches meet your needs in a wide variety of applications. These switches are available in single setting or dual control. An internal set screw allows for easy internal adjustment of setpoints. For applications requiring a highly accurate switch in a durable package, Barksdale's Explosion Proof Diaphragm Pressure Switches are the ideal choice.Features: Hermetically sealed Explosion proof housing for hazardous location Tamper proof setpoint adjustment Ideal for pressure or vacuum UL, CSA, ATEX approved NEMA 4, 7, 9 & IP66 Applications: Pump & compressor monitoring Hydraulic power units Oil & gas Food & beverage Utility & power generation Mining Factory preset setpoint options are available. Contact FLW for further information. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications General SpecificationsAccuracy:± 0.5% of the adjustable rangeElectrical Connection:3/4" NPT (D2X) conduit connectionAdjustable RangeDecreasing - psi (bar)Increasing - psi (bar)minmaxminmax.5 (.03)76.6 (5.2)3.9 (.3)80 (5.4)SwitchType:Single pole double throw (SPDT)Dual setpoint housed versionHermetically sealed limit switch option - Class I, Division IIRating:4 amps @ 125/250 VACWetted PartsProcess Fitting:303 stainless steelDiaphragm:17-7 PH stainless steelEnclosure:Die-cast aluminum, anodized and paintedPressure Connection:Std 1/4" NPT female pressure connectionOptionsUL & CSA Approval Literature & Docs Product Specifications Accessories