Tag archives for Terminology

Buy ARRA Certified Valves – Save $$$ On Taxes!
*** Important Update for December 2010 *** Dec 1, 2010 - Effective as of 09/27/2010, H.R. 5297 (the Small Business Jobs and Credit Act of 2010) had a substantial (and welcome) impact on Section 179.  The biggest impact is that it increased Section 179's limits (essentially doubling them). This means a substantial boost to your bottom line this year.  But to get ...more»
The Types of Butterfly Valves
The appearance of the valve is much like what the name implies---a butterfly. Essentially, it is a metal disc mounted on a rod. The rod goes down the center of the disc and appears as the body of a butterfly with the two disc halves as the wings on each side. // Function In the closed position, which is achieved by rotating ...more»
Valve Terminology and Definitions
ACTUATOR: A fluid-powered or electrically powered device that supplies force and motion to a VALVE CLOSURE MEMBER. AIR SET: Also SUPPLY PRESSURE REGULATOR. A device used to reduce plant air supply to valve POSITIONERS and other control equipment. Common reduced air supply pressures are 20 and 35 psig. AIR-TO-CLOSE: An increase in air pressure to the ACTUATOR is required to cause the ...more»
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