Dwyer DAH-7041-153-22E Bourdon Tube Pressure Switch is a versatile, high-temperature component with an enclosure rating of general purpose, weatherproof, or explosion-proof. It features screw terminal electrical connections, vertical mounting orientations, and is available in wetted materials of brass, 403 SS, or 316 SS. With a maximum pressure limit and various process connections, the switch offers a repeatability of ±1% of the full operating range and ±1.5% on DS-7300 models. It utilizes SPST mercury switch, SPDT mercury switch, or SPDT snap switch types and offers set point adjustment through a thumbscrew. The conduit connection options include 1/2" hole for a conduit hub in general purpose models, 1/2" conduit hub in weatherproof models, and 3/4" female NPT in explosion-proof models. Deadband information can be found 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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