• B-Series NEMA 4 Pressure Switch
    B-Series NEMA 4 Pressure Switch

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B-Series NEMA 4 Pressure Switch

  • Overview
  • Applications
  • Certificates & Approvals

The Ashcroft® B4 Pressure Switch 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.

Key Features:
  • Adjustable setpoints from 15%-100% of range
  • Fixed or limited adjustable deadband
  • Wide selection of switch elements and wetted materials
Specifications:
  • Accuracy: ±1.00% full scale
  • NEMA 4X (IP66) aluminum enclosure
  • Single setpoint
  • Pressure ranges: vacuum to 3,000 psi
  • SPDT or DPDT switching option

The B4 Pressure Switch may be used on a host of applications is ideal where accurate and reliable pressure measurement are essential:

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

Related Products

A-Series NEMA 4 Pressure Switch

A-Series Watertight Pressure Switch

The Ashcroft® APA and APS Watertight Miniature Pressure Switches are designed for pressure control in harsh applications.

200-201 Threaded  Diaphragm Seals

200-201 Threaded Diaphragm Seals

The Ashcroft® 200 and 201 Threaded Diaphragm Seals or isolation devices protect pressure measuring instruments.

Tools

  • Distributor Locator

    Locate an authorized Ashcroft distributor in your area.

  • Materials Selector

    Use the selector to review compatible wetted materials and requirements of your application.

  • Unit Converter

    Need to convert measurement units? Check out our quick and easy approach to pressure, temperature and flow unit conversions.

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