Pressure Switch

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MD Series

Datasheet

MD switches are engineered for demanding applications that require durability, high accuracy, and repeatability under adverse conditions. With versatile capsules and wetted parts, they accommodate thousands of applications. The switches feature a wide range of electrical elements, including SPDT, DPDT, and gold-plated contacts, making them suitable for critical operations. An optional wide scale ensures ease of setting with finer increments for precise adjustments. These switches are extensively used across industries such as power generation, burners and furnaces, chemical processing, steel manufacturing, hydraulic and gas turbines, boilers, compressors, railway braking systems, water treatment, sugar and paper mills, fire protection, and more. They also find applications in niche sectors like surgical gas, breweries, milk processing, tyre production, and natural gas or LPG storage and transportation.

Technical Specifications
Storage Temp.

Atmospheric temperature

Operating ambient Temp.

-20 deg C to + 60 deg C

Media Temp.

– for rubber diaphragms 80 degree C max., higher with metal diaphragms

Set point repeatability

± 1 % of FSR

Enclosure

Die cast aluminium to IP 66

Switch output

SPDT, DPDT, hermetically sealed, gold plated contacts

Process connection

1⁄4 “BSP standard, other options like flanges, triclover clamps, diaphragm seals available
Features

Robust

Wide Scale for easier setpoint (optional)
Enclosure Protection: IP 66 Standard
Reliable accurate microswitches for long life switching
Customised arrangements for switching values on request
Easy safe wiring options
Field adjustable
Accuracy: +/- 1% FSR