P1X Series

  • Explosion proof housing
  • High reliability
  • Extremely long life
  • UL & CSA listed

Barksdale's P1X Series Explosion Proof Pressure Switches offer extremely long life and the accuracy you need for your pressure control applications in hazardous locations. Designed with Dia-Seal Piston technology, the P1X assures millions of maintenance free, leakage free cycles. A rugged NEMA 7, & 9 enclosure makes this switch an ideal choice for indoor installations. Setpoints are easily adjus ted via a tamper-proof external adjustment screw, and the switch can be safely adjusted within the hazardous location. Designed to control pressures up to 1600 psi, the P1X Series Explosion Proof Pressure Switches are an outstanding choice for your demanding hazardous area applications.


General Specifications*

Electrical Characteristics: All models incorporate Underwriters Laboratories, Inc. and CSA Listed single pole double throw snap-action switching elements
Accuracy: ± 2% of the adjustable range
Switch: Single pole double throw (SPDT) snap action; single circuit
Wetted Parts:
Process Fitting:
Anodized aluminum
Anodized aluminum
Electrical Connection: Internal screw terminals via 1/2″ NPT conduit connector
Enclosure Ratings: NEMA 7, 9
Pressure Connection: 1/4″-18 NPT female (standard)

PED (European):

File No. E37043; approved for hazardous locations, Class I, DIV 1, Groups C&D, Class II Groups E, F, & G; not available on 1600 psi range
Class 3238-01, File No. 022354-0-000
Compliant to PED 97/23/EC
Temperature Range:
-4° to +140°F (-20° to +60 °C)
-40° to +200 °F (-40° to +93°C)
Adjustment Instructions: Loosen setscrew with a #10 allen wrench. With screwdriver, turn adjustment screw clockwise to increase and counterclockwise to decrease the actuation point. Tighten setscrew after desired setting is reached.
Options: – Viton® diaphragm
– Teflon diaphragm
– Hermetically sealed limit switch
– Factory preset
Shipping Weight: 3.75 lbs. approximate
* See product confi gurator for additional options.


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