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B-Series Pressure/Differential Pressure Switch

Brand: Ashcroft Inc

The Ashcroft® B-Series is designed for use in virtually all industrial and OEM applications.

Providing reliability and long-cycle life, it is ideal for satisfying requirements for pressure control, shutdown or alarm operations.

Special designs are available to meet NACE and Fire-safe applications.
Features
  • Adjustable setpoints 15 to 100% of range 
  • Fixed or limited adjustable deadband 
  • Wide selection of switch elements 
  • Explosion proof enclosure provides uncompromising protection 
  • Special designs for NACE & fire applications 
  • SIL 3 Capable (B and D series only) 

Specifications

Brand

NPT Connection

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

Approvals & Certifications

  • SIL 3
  • 02-ATEX-1391X
  • CE
  • CSA (C,US)
  • Ex II 2 GD Ex d IIC T6 Gb Ex Tb IIIC T85° C Db Ta = -20° to 60° C
  • FM
  • IEC
  • SIRA
  • UL (C,US)

Adjustment Type

  • Set Point Adjustment

Repeatability

  • ± 1 % of Full Range

Mounting

  • 2” Pipe Mounting Bracket
  • Pilot Light Top Mounting
  • Wall Mounting Bracket

Environmental Protection

  • B4 / Hydraulic & B7: IP66
  • B4 / Hydraulic: NEMA 4X
  • B7: NEMA 7
  • B7: NEMA 9
  • Explosion-proof
  • Watertight

Set Point - Decreasing

  • bar: -0.373 to 206.8
  • kPa: -37.3 to 20,680
  • psi: -5.4 to 3,000

Enclosure, Body Material

  • 316 Stainless Steel
  • Epoxy Coated Aluminum

Set Point - Increasing

  • bar: -0.373 to 206.8
  • kPa: -37.3 to 20,680
  • psi: -5.4 to 3,000

Pressure Type

  • Differential
  • Vacuum

Diaphragm Material

  • Buna-N
  • Monel
  • Stainless Steel
  • Teflon
  • Viton

Process Temperature

  • Buna-N or Teflon Diaphragm: -18° to 66° C (0° to 150° F)
  • Stainless Steel or Monel Diaphragm: -18° to 149° C (0° to 300° F)
  • Viton Diaphragm: -6° to 148.9° C (20° to 300° F)

Name Plate, Tag Material

  • Stainless Steel

Seat / Seal Material

  • Seal: 316L Stainless Steel
  • Seal: Buna-N
  • Seal: Monel
  • Seal: Teflon
  • Seal: Viton

Ambient Temperature Range

  • -19° to 65° C (-20° to 150° F)

Switch Type

  • DPDT
  • Micro Switch
  • SPDT

System Pressure

  • bar: -0.373 to 206.8
  • kPa: -37.3 to 20,680
  • psi: -5.4 to 3,000

  • Industrial Market
    • Boilers & Burners
    • Degreasers
    • Evaporators
    • Food Processing
    • Ground Support Equipment
    • Heating & Air Conditioning
    • Hydraulic & Lubrication Systems
    • Pumps, Turbines & Compressors
    • Recovery Systems
    • Reverse Osmosis Systems & Filters
    • Specialized OEM Equipment
  • Chemical & Petrochemical
  • Offshore Oil Rigs
  • Power Plants
  • Pulp & Paper Mills
  • Steel Mills
  • Water & Sewage Treatment Facilities
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