1.Series DA/DS Bourdon Tube Pressure Switches – Dwyer Instruments. Author: dwyer-inst.com. Publish: 28 days ago. Rating: 4 (1882 Rating) Highest rating: 3. Lowest rating: 1. Descriptions: The Mercoid DA/DS Series is one of the world’s broadest lines of pressure switches. The DA/DS Series has extremely high sensitivity and great repeatability.

A pressure switch is a form of switch that closes an electrical contact when a certain set fluid pressure has been reached on its input. The switch may be designed to make contact either on pressure rise or on pressure fall. Pressure switches are widely used in industry to automatically supervise and control systems that use pressurized fluids.

MERCOID. Pressure Switch: 20 to 250 psi, 5 to 12.5 psi, 1-Port 1/4 in FNPT, SPDT, 15A @ 125/250/480V, 4X This pressure switch is designed to actuate one or two single-pole, double-throw (SPDT) snap switches in response to increasing or decreasing pressure of compatible gases or liquids. It features weather-proof construction for use in

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Mercoid Series DA / DS Bourdon Tube Pressure Switches. Visible setpoint, adjustable deadband, pressure ranges to 5000psi (UL, SA & FM). Customers tell us 

Mercoid offers Bourdon tubes constructed in a choice of brass, Type 403 stainless steel, and Type 316 stainless steel. Material is designated as part of the series number. A DAW-33 indicates a brass Bourdon tube.€ € Switch Type and Action. Mercoid pressure switches are available with mercury or snap -action contacts which become an integral

Mercoid Control DAH31-3 Pressure Control, Series D, Explosion Proof For Hazardous Locations, Class 1 C-D, Class 2 E-F-G. 120VAC/DC 10A 240VAC/DC 5A

MERCOID, Pressure Switch: 10 to 150 psi, 4 to 7.5 psi, 1-Port 1/2 in FNPT, SPDT, 15A @ 125/250/480V, 4X, Item # 2HMA2, Mfr. Model # SA1111E-S5-K2, UNSPSC # 39121506, Catalog Page # N/A, Country of Origin USA. Country of Origin is subject to change.

Low Oil Pressure Alarm Switch,1/8-27 NPT Thread Three-Wire Output Low Oil Pressure Alarm Switch,309-0641-03,Normally Closed/Normally Open, Closed N-C-0 Open 4.7 out of 5 stars 5 2 offers from $17.77

Mercoid AG-153-31 Pressure Switch. A Nylon Diaphram coated with tuna N acutes the hermetically sealed mercury switch to open or close the electrical circuit 

This pressure switch is designed to actuate one or two single-pole, double-throw (SPDT) snap switches in response to increasing or decreasing pressure of