Pressure Switch

Pressure switches open or close an electrical contact when pressure reaches a set point. They start and stop pumps and compressors, trigger alarms and shut equipment down when pressure is unsafe.

Pressure Switch Types

  • Mechanical switches – simple, reliable and no power needed
  • Electronic switches – adjustable set points and displays
  • Differential pressure switches – filter and flow monitoring
  • Vacuum switches – vacuum system control
  • Explosion-proof switches – hazardous areas

Choosing a Switch

Select set point range, deadband, electrical rating and wetted materials. Fixed or adjustable deadband affects cycling. Add snubbers for pulsating systems.

Centro carries pressure switches for pumps, compressors and process safety.

Related categories: Pressure Control | Pressure Transmitters | Gauges | Pressure Regulators | Pressure Control Accessories

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The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This switch features a hermetically sealed, general purpose switch element. It is built with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Sensing supports a 30 IWD pressure range. Additional options include factory adjusted setpoint and 1/2" NPTM, 1/4" NPTF 316SS pressure connection (combination).

$716.83

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. Operating specifications include a hermetically sealed, general purpose switch element. Construction includes a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. It is rated for a 100 psid pressure range. Additional options on this model include factory adjusted setpoint.

$725.39

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This model includes a hermetically sealed, general purpose switch element. The unit is housed with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. The unit covers a 30 psid pressure range. Additional options: factory adjusted setpoint.

$725.39

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. It is equipped with a hermetically sealed, general purpose switch element. Physical specs include a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Range and sensing include a 30 IWD pressure range. Additional options for this configuration include factory adjusted setpoint.

$666.91

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This switch features a hermetically sealed, general purpose switch element. It is built with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Sensing supports a 60 psid pressure range. Additional options include factory adjusted setpoint.

$725.39

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. Operating specifications include a hermetically sealed, general purpose switch element. Construction includes a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. It is rated for a 60 IWD pressure range. Additional options on this model include factory adjusted setpoint.

$666.91

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This model includes a hermetically sealed, general purpose switch element. The unit is housed with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. The unit covers a 30 IWD pressure range. Additional options: factory adjusted setpoint, left conduit connection, and stainless steel tag.

$701.86

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. It is equipped with a hermetically sealed, general purpose switch element. Physical specs include a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Range and sensing include a 30 IWD pressure range. Additional options for this configuration include factory adjusted setpoint and metric range on label.

$666.91

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This switch features a hermetically sealed, general purpose switch element. It is built with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Sensing supports a 30 IWD pressure range. Additional options include factory adjusted setpoint, metric range on label, and stainless steel tag.

$685.01

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. Operating specifications include a hermetically sealed, general purpose switch element. Construction includes a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. It is rated for a 30 IWD pressure range. Additional options on this model include factory adjusted setpoint, stainless steel tag, and 1/2" NPTF 316SS pressure connection.

$734.93

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This model includes a hermetically sealed, general purpose switch element. The unit is housed with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. The unit covers a 30 psid pressure range. Additional options: factory adjusted setpoint and stainless steel tag.

$743.49

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. It is equipped with a hermetically sealed, general purpose switch element. Physical specs include a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Range and sensing include a 30 psid pressure range. Additional options for this configuration include factory adjusted setpoint and 2" pipe mounting bracket.

$775.32

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This switch features a hermetically sealed, general purpose switch element. It is built with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Sensing supports a 15 psid pressure range. Additional options include 3/4" to 1/2" reducing bushing, metric range on label, stainless steel tag, 316 SS pressure connection, and 1/2" NPTM, 1/4" NPTF 316SS pressure connection (combination).

$930.26

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. Operating specifications include a hermetically sealed, general purpose switch element. Construction includes a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. It is rated for a 15 psid pressure range. Additional options on this model include 3/4" to 1/2" reducing bushing, metric range on label, 316 SS pressure connection, and 1/2" NPTM, 1/4" NPTF 316SS pressure connection (combination).

$912.16

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This model includes a hermetically sealed, general purpose switch element. The unit is housed with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. The unit covers a 30 psid pressure range. Additional options: 6 ft leads on micro switch.

$725.69

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. It is equipped with a hermetically sealed, general purpose switch element. Physical specs include a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Range and sensing include a 60 psid pressure range. Additional options for this configuration include 6 ft leads on micro switch.

$725.69

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This switch features a hermetically sealed, general purpose switch element. It is built with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Sensing supports a 150 IWD pressure range. Additional options include metric range on label and pilot light(s) top mounted.

$665.29

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. Operating specifications include a hermetically sealed, general purpose switch element. Construction includes a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. It is rated for a 100 psid pressure range. Additional options on this model include stainless steel tag and 1/2" NPTF 316SS pressure connection.

$788.72

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This model includes a hermetically sealed, general purpose switch element. The unit is housed with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. The unit covers a 15 psid pressure range. Additional options: stainless steel tag.

$713.80

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. It is equipped with a hermetically sealed, general purpose switch element. Physical specs include a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Range and sensing include a 30 IWD pressure range. Additional options for this configuration include stainless steel tag.

$655.32

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This switch features a hermetically sealed, general purpose switch element. It is built with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Sensing supports a 60 psid pressure range. Additional options include stainless steel tag.

$713.80

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. Operating specifications include a hermetically sealed, general purpose switch element. Construction includes a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. It is rated for a 30 psid pressure range. Additional options on this model include stainless steel tag and 316 SS pressure connection.

$846.60

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This model includes a hermetically sealed, general purpose switch element. The unit is housed with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. The unit covers a 30 psid pressure range. Additional options: pilot light(s) top mounted.

$723.77

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. It is equipped with a hermetically sealed, general purpose switch element. Physical specs include a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Range and sensing include a 60 psid pressure range. Additional options for this configuration include pilot light(s) top mounted.

$723.77

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This switch features a hermetically sealed, general purpose switch element. It is built with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Sensing supports a 30 IWD pressure range. Additional options include factory adjusted setpoint and 1/2" NPTM, 1/4" NPTF 316SS pressure connection (combination).

$716.83

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. Operating specifications include a hermetically sealed, general purpose switch element. Construction includes a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. It is rated for a 100 psid pressure range. Additional options on this model include factory adjusted setpoint.

$725.39

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This model includes a hermetically sealed, general purpose switch element. The unit is housed with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. The unit covers a 30 psid pressure range. Additional options: factory adjusted setpoint.

$725.39

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. It is equipped with a hermetically sealed, general purpose switch element. Physical specs include a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Range and sensing include a 30 IWD pressure range. Additional options for this configuration include factory adjusted setpoint.

$666.91

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This switch features a hermetically sealed, general purpose switch element. It is built with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Sensing supports a 60 psid pressure range. Additional options include factory adjusted setpoint.

$725.39

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. Operating specifications include a hermetically sealed, general purpose switch element. Construction includes a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. It is rated for a 60 IWD pressure range. Additional options on this model include factory adjusted setpoint.

$666.91

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This model includes a hermetically sealed, general purpose switch element. The unit is housed with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. The unit covers a 30 IWD pressure range. Additional options: factory adjusted setpoint, left conduit connection, and stainless steel tag.

$701.86

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. It is equipped with a hermetically sealed, general purpose switch element. Physical specs include a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Range and sensing include a 30 IWD pressure range. Additional options for this configuration include factory adjusted setpoint and metric range on label.

$666.91

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This switch features a hermetically sealed, general purpose switch element. It is built with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Sensing supports a 30 IWD pressure range. Additional options include factory adjusted setpoint, metric range on label, and stainless steel tag.

$685.01

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. Operating specifications include a hermetically sealed, general purpose switch element. Construction includes a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. It is rated for a 30 IWD pressure range. Additional options on this model include factory adjusted setpoint, stainless steel tag, and 1/2" NPTF 316SS pressure connection.

$734.93

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This model includes a hermetically sealed, general purpose switch element. The unit is housed with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. The unit covers a 30 psid pressure range. Additional options: factory adjusted setpoint and stainless steel tag.

$743.49

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. It is equipped with a hermetically sealed, general purpose switch element. Physical specs include a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Range and sensing include a 30 psid pressure range. Additional options for this configuration include factory adjusted setpoint and 2" pipe mounting bracket.

$775.32

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This switch features a hermetically sealed, general purpose switch element. It is built with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Sensing supports a 15 psid pressure range. Additional options include 3/4" to 1/2" reducing bushing, metric range on label, stainless steel tag, 316 SS pressure connection, and 1/2" NPTM, 1/4" NPTF 316SS pressure connection (combination).

$930.26

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. Operating specifications include a hermetically sealed, general purpose switch element. Construction includes a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. It is rated for a 15 psid pressure range. Additional options on this model include 3/4" to 1/2" reducing bushing, metric range on label, 316 SS pressure connection, and 1/2" NPTM, 1/4" NPTF 316SS pressure connection (combination).

$912.16

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This model includes a hermetically sealed, general purpose switch element. The unit is housed with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. The unit covers a 30 psid pressure range. Additional options: 6 ft leads on micro switch.

$725.69

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. It is equipped with a hermetically sealed, general purpose switch element. Physical specs include a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Range and sensing include a 60 psid pressure range. Additional options for this configuration include 6 ft leads on micro switch.

$725.69

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This switch features a hermetically sealed, general purpose switch element. It is built with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Sensing supports a 150 IWD pressure range. Additional options include metric range on label and pilot light(s) top mounted.

$665.29

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. Operating specifications include a hermetically sealed, general purpose switch element. Construction includes a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. It is rated for a 100 psid pressure range. Additional options on this model include stainless steel tag and 1/2" NPTF 316SS pressure connection.

$788.72

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This model includes a hermetically sealed, general purpose switch element. The unit is housed with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. The unit covers a 15 psid pressure range. Additional options: stainless steel tag.

$713.80

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. It is equipped with a hermetically sealed, general purpose switch element. Physical specs include a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Range and sensing include a 30 IWD pressure range. Additional options for this configuration include stainless steel tag.

$655.32

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This switch features a hermetically sealed, general purpose switch element. It is built with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Sensing supports a 60 psid pressure range. Additional options include stainless steel tag.

$713.80

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. Operating specifications include a hermetically sealed, general purpose switch element. Construction includes a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. It is rated for a 30 psid pressure range. Additional options on this model include stainless steel tag and 316 SS pressure connection.

$846.60

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. This model includes a hermetically sealed, general purpose switch element. The unit is housed with a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. The unit covers a 30 psid pressure range. Additional options: pilot light(s) top mounted.

$723.77

Should ship between 04 Dec and 18 Dec

Subject to factory lead times

The Ashcroft® D4 differential pressure switch is designed for use on most applications requiring reliability and long-cycle life where monitoring of differential pressure is required. Ideal for satisfying requirements for differential pressure control, shutdown or alarm operations. It is equipped with a hermetically sealed, general purpose switch element. Physical specs include a watertight epoxy coated aluminum enclosure and Buna-N actuator seal. Range and sensing include a 60 psid pressure range. Additional options for this configuration include pilot light(s) top mounted.

$723.77

Should ship between 04 Dec and 18 Dec

Subject to factory lead times