Dwyer DAH-7031-153-4 is a Bourdon Tube Pressure Switch designed for temperatures up to 180°F (82°C). It has a general purpose, weatherproof, or explosion-proof enclosure rating, with screw terminal electrical connections. The switch is mounted vertically and is available with wetted materials such as brass, 403 SS, or 316 SS. It has a maximum pressure limit and comes with different process connection options. The repeatability is ±1% of the full operating range and there are different switch types available. Set point adjustment is done with a thumbscrew and the conduit connection varies depending on the enclosure rating. The deadband is specified in the catalog.

Specifications

Component	Pressure Switch
(Instrument-Sensor) Type	Bourdon Tube
(Instrument-Sensor) Temperature Range	180°F/82°C
Manufacturer	Dwyer Instruments

Features

Visible calibrated dial provides an easy and fast check without having to open device causing dangerous conditions to operators

On/off indication (except hermetically sealed snap switch models) gives operator clear indication of state of switched equipment that could be located in another location

Adjustable or fixed deadband supports control applications by reducing equipment wear-out by unnecessary recycling

External switch set point adjustment reduces set-up time

Pressure ranges of full vacuum to 8000 psig gives application designers the ability to specify standard equipment, simplifying install and training, and reducing servicing costs

UL listed, CSA approved, many models FM approved to support rigorous process applications and regulations

General purpose, weatherproof or explosion-proof enclosures for a variety of indoor or outdoor environments meeting the needs of multiple applications and uses

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