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Series B1X & B2X Explosion-Proof Bourdon Tube

Brand: Barksdale

Barksdale's B1X and B2X Explosion Proof Bourdon Tube Pressure Switches offer instrument class accuracy, making them an ideal solution to your hazardous location pressure control needs when accuracy is critical.

Built-in over-travel stops allow for higher proof pressures than most other pressure switch technologies. Setpoints are easily adjusted via an internal adjustment screw.

Available in single and dual circuit configurations, Bourdon Tube Pressure Switches are adaptable for use in a wide range of industrial applications.

A variety of limit switches is available to allow for a multitude of electrical switching conditions.
Features
  • High accuracy, high proof
  • Explosion-proof housing for hazardous location
  • Hermetically sealed
  • Tamper-proof setpoint adjustment
  • Dual set point capability
  • UL, CSA, ATEX approved
  • NEMA 4, 7, 9 & IP66

1 - 12 of 840 Part Numbers
B1X-A12SS
B1X-A12SS
  • Switch Option - Standard SPDT Snap Action Switch
  • Series - Single Set Point
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Pressure Range - 12
  • Bourdon Tube Material - Stainless Steel Bourdon Tube
  • Process Connection - 1/4" NPT
  • Approvals - No Additional Approvals
B1X-A12SS-EX
B1X-A12SS-EX
  • Switch Option - Standard SPDT Snap Action Switch
  • Series - Single Set Point
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Pressure Range - 12
  • Bourdon Tube Material - Stainless Steel Bourdon Tube
  • Process Connection - 1/4" NPT
  • Approvals - ATEX Certified, EX in Place of UL for ATEX Only
B1X-A12SS-P2
B1X-A12SS-P2
  • Switch Option - Standard SPDT Snap Action Switch
  • Series - Single Set Point
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Pressure Range - 12
  • Bourdon Tube Material - Stainless Steel Bourdon Tube
  • Process Connection - 1/2" Female NPT
  • Approvals - No Additional Approvals
B1X-A12SS-P2-EX
B1X-A12SS-P2-EX
  • Switch Option - Standard SPDT Snap Action Switch
  • Series - Single Set Point
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Pressure Range - 12
  • Bourdon Tube Material - Stainless Steel Bourdon Tube
  • Process Connection - 1/2" Female NPT
  • Approvals - ATEX Certified, EX in Place of UL for ATEX Only
B1X-A12SS-P2-UL
B1X-A12SS-P2-UL
  • Switch Option - Standard SPDT Snap Action Switch
  • Series - Single Set Point
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Pressure Range - 12
  • Bourdon Tube Material - Stainless Steel Bourdon Tube
  • Process Connection - 1/2" Female NPT
  • Approvals - UL & CSA Approval
B1X-A12SS-UL
B1X-A12SS-UL
  • Switch Option - Standard SPDT Snap Action Switch
  • Series - Single Set Point
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Pressure Range - 12
  • Bourdon Tube Material - Stainless Steel Bourdon Tube
  • Process Connection - 1/4" NPT
  • Approvals - UL & CSA Approval
B1X-A20SS
B1X-A20SS
  • Switch Option - Standard SPDT Snap Action Switch
  • Series - Single Set Point
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Pressure Range - 20
  • Bourdon Tube Material - Stainless Steel Bourdon Tube
  • Process Connection - 1/4" NPT
  • Approvals - No Additional Approvals
B1X-A20SS-EX
B1X-A20SS-EX
  • Switch Option - Standard SPDT Snap Action Switch
  • Series - Single Set Point
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Pressure Range - 20
  • Bourdon Tube Material - Stainless Steel Bourdon Tube
  • Process Connection - 1/4" NPT
  • Approvals - ATEX Certified, EX in Place of UL for ATEX Only
B1X-A20SS-P2
B1X-A20SS-P2
  • Switch Option - Standard SPDT Snap Action Switch
  • Series - Single Set Point
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Pressure Range - 20
  • Bourdon Tube Material - Stainless Steel Bourdon Tube
  • Process Connection - 1/2" Female NPT
  • Approvals - No Additional Approvals
B1X-A20SS-P2-EX
B1X-A20SS-P2-EX
  • Switch Option - Standard SPDT Snap Action Switch
  • Series - Single Set Point
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Pressure Range - 20
  • Bourdon Tube Material - Stainless Steel Bourdon Tube
  • Process Connection - 1/2" Female NPT
  • Approvals - ATEX Certified, EX in Place of UL for ATEX Only
B1X-A20SS-P2-UL
B1X-A20SS-P2-UL
  • Switch Option - Standard SPDT Snap Action Switch
  • Series - Single Set Point
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Pressure Range - 20
  • Bourdon Tube Material - Stainless Steel Bourdon Tube
  • Process Connection - 1/2" Female NPT
  • Approvals - UL & CSA Approval
B1X-A20SS-UL
B1X-A20SS-UL
  • Switch Option - Standard SPDT Snap Action Switch
  • Series - Single Set Point
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Pressure Range - 20
  • Bourdon Tube Material - Stainless Steel Bourdon Tube
  • Process Connection - 1/4" NPT
  • Approvals - UL & CSA Approval
1 - 12 of 840 Part Numbers

Specifications

Brand

Accuracy

  • ± 1 % for 32-110° F, ± 2 % for > 110° F, -2/+3° F for 110° F, -2/+3° F for < 32° F

Adjustment Type

  • Microswitch Adjustment Wheel
  • Screw

Applications

  • Blow Out Preventer
  • General Industrial Applications
  • Oil & Gas Applications
  • Pneumatic Devices
  • Power Plants
  • Water Pumps

Approvals & Certifications

  • ATEX - ExII 2 G D, Ex d IIC T6 Gb, Ex Tb IIIC T80° C Db IP66 -40° C (-40° F)≤ Tamb≤ +75° C (167° F)
  • CE 0081
  • CSA File No. #LR22354, Hazardous Locations, Class I Division I, Groups B, C, D & Class II Groups E, F, G
  • UL File No. #E37043, Hazardous Locations, Class I Division I, Groups B, C, D & Class II Groups E, F, G

Conduit Connection

  • 1/2” NPT Female - B1X Model
  • 3/4” NPT Female - B2X Model

Deadband, Approximate

  • psi: 11 to 550 (kPa: 75.84 to 3,792, bar: 0.7 to 37)

Electrical Connectors

  • Internal Terminal Strip Via Conduit Connection

Electrical Contacts

  • Gold
  • Normally Closed
  • Normally Open

Electrical Rating

  • 0.03 A at 250 Vdc
  • 0.05 A at 125 Vdc
  • 0.05 A at 250 Vdc
  • 0.1 A at 125 Vdc
  • 0.25 A at 250 Vdc
  • 0.5 A at 125 Vdc
  • 1 A at 125 Vac
  • 10 A at 125/250 Vac
  • 10 A at 125/250/480 Vac
  • 15 A at 125/250/480 Vac
  • 3 A at 480 Vac
  • 4 A at 125/250 Vac
  • 5 A at 125/250 Vac

Enclosure, Body Material

  • Die Cast Aluminum

Environmental Protection

  • IP66
  • NEMA 4
  • NEMA 7
  • NEMA 9

NPT Connection

  • 1/2” NPT Female
  • 1/4” NPT Female

Operating Temperature

  • -40° to 74° C (-40° to 165° F)

Process Connection Material

  • 316 Stainless Steel

Proof Pressure

  • psi: 1,800 to 18,000 (kPa: 12,410 to 124,100, bar: 120 to 1,200)

Sensor, Probe Material

  • Bourdon Tube: 316 Series Stainless Steel

Set Point - Decreasing

  • bar: 3.3 to 443
  • kPa: 344.7 to 45,850
  • psi: 50 to 6,650

Set Point - Increasing

  • bar: 5.1 to 480
  • kPa: 530.9 to 49,640
  • psi: 77 to 7,200

Switch Type

  • SPDT, Snap-Action

System Pressure

  • bar: 0 to 1241
  • kPa: 0 to 124,105
  • psi: 0 to 18,000

Tube Connection

  • 1/4” O.D. Tube

  • Blow Out Preventer
  • General Industrial Applications
  • Oil & Gas Applications
  • Pneumatic Devices
  • Power Plants
  • Water Pumps
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