Barksdale D1S, D2S, D1H, D2H Series Diaphragm Pressure Switch

Barksdale

Product Code: D1S, D2S, D1H, D2H Series
Brand: Barksdale



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Description for Barksdale D1S, D2S, D1H, D2H Series Diaphragm Pressure Switch

Barksdale's Diaphragm Pressure Switches offer superior accuracy in a robust package, making them the ideal solution to your industrial pressure control needs. Diaphragm switches are ideal for applications demanding instrument class accuracy and where pressure pulsations are less than 25 cycles per minute. Available in various pressure ranges up to 150 psi, diaphragm switches are suitable for use in either positive pressure or vacuum applications. Single, and dual, and triple circuit models are available. Housed models (D1H & D2H) feature a durable, anodized aluminum enclosure with an integrated 1/2" NPT conduit connector, a tamper-resistant cover for the setpoint adjustment screws, and are rated to NEMA 4 as a standard. For applications requiring a highly accurate switch in a durable package, Barksdale's Diaphragm Pressure Switches are the ideal choice.General Specifications*Accuracy:± 0.5% of the adjustable rangeSwitch:Type:Rating:Single pole double throw (SPDT) Snap Action; single or dual circuit10 amps @ 125/250 VAC; 3 amps @ 480 VAC (Class A or H limit switch). Consult sales drawing for ratings of optional limit switches.Wetted Parts:Process Fitting:Diaphragm:Enclosure:304 stainless steel17-7 PH stainless steelAnodized aluminum (housed models)Electrical Connection:Free leads approximately 18" long, #16 AWG and 1/2" NPT conduit connection for housed modelsEnclosure Ratings:Housed Models: NEMA 4Stripped Models: NEMA 1Pressure Connection:1/4" NPT FemaleApprovals:UL (optional):CSA (optional):PED (European):Stripped (D1S and D2S) models may be ordered as UL Recognized components (UR) on request. Housed (D1H and D2H) models may be ordered as UL Listed on request (UL File No. E42816).All models may be ordered as CSA listed under Class 3231 02, File LR22355 on request.Compliant to PED 97/23/ECTemperature Range:Operating:Storage:-40° to +165°F (-40° to +74°C)-65° to +200°F (-54° to 93°C)Adjustment Instructions:Pressure:Vacuum:Turn adjustment screw counterclockwise to raise actuation point.Turn adjustment screw clockwise to increase setpoint (higher vacuum).  Options:- NEMA 4X enclosure (housed models only)- Cleaned for oxygen service- Factory pre-setShipping Weight:Stripped Versions : 1.5 lbs. approximateHoused Versions: 1.75 lbs. approximate* See product confi gurator for additional options.Wiring CodeLeadCircuit #1Circuit #2PressureVacuumPressureVacuumNormally ClosedBlueRedOrangeYellowCommonPurplePurpleBrownBrownNormally OpenRedBlueYellowOrange

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