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Instantly add the Series DPD1T & DPD2T Diaphragm Differential Switch and 50,000+ more product series to your store or catalog  
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Barksdale Diaphragm Differential Switch, Series DPD1T and DPD2T

Series DPD1T & DPD2T Diaphragm Differential Switch

Brand: Barksdale
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Barksdale's Housed Diaphragm Differential Pressure Switches offer superior accuracy in a robust package, making them an ideal solution to your industrial pressure control needs.

These switches are ideal for applications requiring water-tight, NEMA 4 housings, a covered terminal strip and tamper-proof external adjustment.

With pressure ranges up to 150 psi, these housed diaphragm differential pressure switches are suitable for use in either positive pressure or vacuum applications.

Available in single-circuit and dual-circuit models.

These switches feature a durable, die-cast aluminum enclosure.
Features
  • High reliability
  • Dual switching capability
  • High accuracy
  • Tamper-proof external adjustment
  • NEMA 4

1 - 12 of 336 Part Numbers
DPD1T-A150SS
DPD1T-A150SS
  • Switch Option - Standard SPDT Snap Action Switch
  • Base Model - Single Set Point Housed
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Adjustable Ranges - Pressure Adjustable Range
  • Model - 150SS
  • Environmental Protection - NEMA 4
  • Terminal Block - Screw Terminals on Covered Terminal Strip Through 1/2" NPT Conduit Fitting
  • Approvals - No Additional Approvals
DPD1T-A150SS-CS
DPD1T-A150SS-CS
  • Switch Option - Standard SPDT Snap Action Switch
  • Base Model - Single Set Point Housed
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Adjustable Ranges - Pressure Adjustable Range
  • Model - 150SS
  • Environmental Protection - NEMA 4
  • Terminal Block - Screw Terminals on Covered Terminal Strip Through 1/2" NPT Conduit Fitting
  • Approvals - CSA Approved
DPD1T-A150SS-FX
DPD1T-A150SS-FX
  • Switch Option - Standard SPDT Snap Action Switch
  • Base Model - Single Set Point Housed
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Adjustable Ranges - Pressure Adjustable Range
  • Model - 150SS
  • Environmental Protection - NEMA 4X
  • Terminal Block - Screw Terminals on Covered Terminal Strip Through 1/2" NPT Conduit Fitting
  • Approvals - No Additional Approvals
DPD1T-A150SS-FX-CS
DPD1T-A150SS-FX-CS
  • Switch Option - Standard SPDT Snap Action Switch
  • Base Model - Single Set Point Housed
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Adjustable Ranges - Pressure Adjustable Range
  • Model - 150SS
  • Environmental Protection - NEMA 4X
  • Approvals - CSA Approved
DPD1T-A18SS
DPD1T-A18SS
  • Switch Option - Standard SPDT Snap Action Switch
  • Base Model - Single Set Point Housed
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Adjustable Ranges - Pressure Adjustable Range
  • Model - 18SS
  • Environmental Protection - NEMA 4
  • Terminal Block - Screw Terminals on Covered Terminal Strip Through 1/2" NPT Conduit Fitting
  • Approvals - No Additional Approvals
DPD1T-A18SS-CS
DPD1T-A18SS-CS
  • Switch Option - Standard SPDT Snap Action Switch
  • Base Model - Single Set Point Housed
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Adjustable Ranges - Pressure Adjustable Range
  • Model - 18SS
  • Environmental Protection - NEMA 4
  • Terminal Block - Screw Terminals on Covered Terminal Strip Through 1/2" NPT Conduit Fitting
  • Approvals - CSA Approved
DPD1T-A18SS-FX
DPD1T-A18SS-FX
  • Switch Option - Standard SPDT Snap Action Switch
  • Base Model - Single Set Point Housed
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Adjustable Ranges - Vacuum Adjustable Range
  • Model - 18SS
  • Environmental Protection - NEMA 4X
  • Terminal Block - Screw Terminals on Covered Terminal Strip Through 1/2" NPT Conduit Fitting
  • Approvals - No Additional Approvals
DPD1T-A18SS-FX-CS
DPD1T-A18SS-FX-CS
  • Switch Option - Standard SPDT Snap Action Switch
  • Base Model - Single Set Point Housed
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Adjustable Ranges - Pressure Adjustable Range
  • Model - 18SS
  • Environmental Protection - NEMA 4X
  • Approvals - CSA Approved
DPD1T-A3SS
DPD1T-A3SS
  • Switch Option - Standard SPDT Snap Action Switch
  • Base Model - Single Set Point Housed
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Adjustable Ranges - Pressure Adjustable Range
  • Model - 3SS
  • Environmental Protection - NEMA 4
  • Terminal Block - Screw Terminals on Covered Terminal Strip Through 1/2" NPT Conduit Fitting
  • Approvals - No Additional Approvals
DPD1T-A3SS-CS
DPD1T-A3SS-CS
  • Switch Option - Standard SPDT Snap Action Switch
  • Base Model - Single Set Point Housed
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Adjustable Ranges - Pressure Adjustable Range
  • Model - 3SS
  • Environmental Protection - NEMA 4
  • Terminal Block - Screw Terminals on Covered Terminal Strip Through 1/2" NPT Conduit Fitting
  • Approvals - CSA Approved
DPD1T-A3SS-FX
DPD1T-A3SS-FX
  • Switch Option - Standard SPDT Snap Action Switch
  • Base Model - Single Set Point Housed
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Adjustable Ranges - Vacuum Adjustable Range
  • Model - 3SS
  • Environmental Protection - NEMA 4X
  • Terminal Block - Screw Terminals on Covered Terminal Strip Through 1/2" NPT Conduit Fitting
  • Approvals - No Additional Approvals
DPD1T-A3SS-FX-CS
DPD1T-A3SS-FX-CS
  • Switch Option - Standard SPDT Snap Action Switch
  • Base Model - Single Set Point Housed
  • Limit Switch - 10 A, 125/250 Vac, 3 A, 480 Vac
  • Adjustable Ranges - Pressure Adjustable Range
  • Model - 3SS
  • Environmental Protection - NEMA 4X
  • Approvals - CSA Approved
1 - 12 of 336 Part Numbers

View_Details

Specifications

Brand

Accuracy

  • ± 0.5 % of Adjustable Range

Adjustment Type

  • Screw

Applications

  • Engine Monitoring
  • Filtration Systems
  • HVac Systems
  • Hydraulic Power Units
  • Machine Tools
  • Metal Working
  • Pump & Compressor Monitoring
  • Utility & Power Generation

Approvals & Certifications

  • CSA
  • PED 97/23/EC

Conduit Connection

  • 1/2” NPT Female

Deadband, Approximate

  • psi: 0.09 to 8.7 (kPa: 0.62 to 60, bar: 0 to 0.6)

Deadband, Approximate - Vacuum

  • Inches Hg: 0.17 to 1

Diaphragm Material

  • 17-7 pH Stainless Steel

Electrical Connectors

  • Screw Terminal
  • Terminal Strip

Electrical Contacts

  • Normally Closed
  • Normally Open

Electrical Rating

  • 0.25 A at 250 Vdc
  • 0.5 A at 125 Vdc
  • 1 A at 125 Vac
  • 10 A at 125/250 Vac
  • 3 A at 480 Vac
  • 5 A at 125/250 Vac

Enclosure, Body Material

  • Die Cast Aluminum Anodized

Environmental Protection

  • IP66
  • NEMA 4
  • NEMA 4X

Materials of Construction

  • 300 Series Stainless Steel
  • Nickel-Plated Aluminum

NPT Connection

  • 1/8” NPT Female

Operating Pressure

  • psi: 0.03 to 300 (kPa: 0.20 to 2,068, bar: 0 to 20.6)

Operating Temperature

  • -54° to 74° C (-65° to 165° F)

Proof Pressure

  • Differential Pressure - psi: 10 to 300 (kPa: 69 to 2,068, bar: 0.7 to 20.4) - Max.

Proof Pressure - Vacuum

  • Inches Hg: 20 to 30

Seat / Seal Material

  • Seal: Viton

Set Point - Decreasing

  • bar: 0 to 9.7
  • Inches Hg: 0.06 to 29 - Vacuum Adjustable Range
  • kPa: 0.20 to 974.2
  • psi: 0.03 to 141.3

Set Point - Increasing

  • bar: 0.02 to 10.2
  • Inches Hg: 0.57 to 30 - Vacuum Adjustable Range
  • kPa: 1.86 to 1,034
  • psi: 0.27 to 150

Switch Type

  • SPDT Snap-Action

System Pressure

  • bar: 0 to 20.68
  • kPa: 0 to 2,068
  • psi: 0 to 300

Documentation

Data Sheets

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