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Pressure Switch


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A-Series Watertight Pressure Switch

The Ashcroft® APA and APS watertight miniature pressure switches are designed for pressure control in harsh applications.

Key Features:

  •  316SS enclosure provides uncompromising protection
  •  Wide operating temperature (-40°C to 100°C)
  •  Factory set or field adjustable setpoint
  •  Expanded selection of pressure and electrical connections
  • Specifications:

  •  Accuracy: ±2.00% full scale
  •  NEMA 6 (IP67); 316 stainless steel
  •  SPDT or DPDT switching models
  •  Pressure ranges: vacuum to 15,000 psi

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    A-Series Explosion Proof Pressure Switch

    The Ashcroft® APA and APS explosion proof miniature pressure switches are used for pressure control within harsh applications.

    Key Features:

  •  Compact, 316 stainless steel construction
  •  Explosion-proof housing provides uncompromising protection
  •  Wide operating temperature (-40° to 89°C)
  •  Factory set or field adjustable setpoint
  •  Expanded selection of pressure and electrical connections
  • Specifications:

  •  Accuracy: ±2.00% full scale
  •  NEMA 4X, 7/9 (IP67); 316 stainless steel
  •  SPDT or DPDT switching models
  •  Pressure ranges: vacuum to 15,000 psi


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    B-Series NEMA 4X Pressure Switch

    The Ashcroft® B4 pressure switch may be used on virtually all industrial and OEM applications.

    Key Features:

  •  Adjustable setpoints from 15%-100% of range
  •  Fixed or limited adjustable deadband
  •  Wide selection of switch elements and wetted materials
  •  Internal setpoint locking screw
  • Specifications:

  •  Accuracy: ±1.00% full scale
  •  NEMA 4X (IP66) epoxy coated aluminum enclosure
  •  Single setpoint
  •  SPDT or DPDT switching option
  •  Pressure ranges: vacuum to 3,000 psi


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    B-Series NEMA 7/9 Pressure Switch

    The Ashcroft® B7 NEMA 7/9 pressure switch may be used on virtually all industrial and OEM applications.

    Key Features:

  •  Explosion-proof enclosure provides uncompromising protection
  •  Adjustable from 15%-100% of range
  •  Fixed or limited adjustable deadband
  •  Wide selection of switch elements and wetted materials
  •  External locking screw (ATEX / IECEx approval only)
  • Specifications:

  •  Accuracy: ±1.00% full scale
  •  NEMA 7/9 (IP66) enclosure
  •  Epoxy-coated aluminum (standard) 316 Stainless steel (option XYW)
  •  Single setpoint
  •  SPDT or DPDT switching option
  •  Pressure ranges: vacuum to 3,000 psi


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    GP-Series NEMA 4 Pressure Switch

    The Ashcroft® GP pressure switch is used on tough applications requiring a 316L SS enclosure.

    Key Features:

  •  Wide selection of switch elements and wetted materials
  •  Choice of process connections
  •  Fixed or adjustable deadbands; adjustable setpoints from 15%-100% of range
  • Specifications:

  •  Accuracy: ±1.00% full scale
  •  NEMA 4X (IP65) 316L stainless steel enclosure
  •  Single or dual set points
  •  Pressure ranges: vacuum to 3,000 psi


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    F-Series NEMA 7 Pressure Switch

    The Ashcroft® F7 pressure switch was designed for use in harsh or hazardous applications where shutdown, control or alarms are required

    Key Features:

  •  Explosion-proof enclosure with hermetically sealed switch elements provide added safety and reliability
  •  Wide selection of switch elements wetted materials
  •  Multiple process connections available
  •  Adjustable setpoints from 15%-100% of range
  • Specifications:

  •  Accuracy: ±1.00% full scale
  •  NEMA 3,4, 7 & 9 (IP66) anodized aluminum enclosure
  •  Single setpoint
  •  Pressure ranges: vacuum to 4,000 psi
  •  Fixed deadband
  •  1/2" NPT male conduit connection
  •  SPDT or DPDT switching option