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control valve is similar to a pneumatically operated system 2012-05-21
In this configuration the building air supply feeds a factory installed temperature controller which operates the steam control valve.
Air flow control valves regulate the flow of compressed air 2012-05-18
air flow control valves have an adjustable metering needle and a check valve to control the flow in only one diretion.
control valves have many types 2012-05-17
control valve have many types.1.Angle valves 2.Angle-seat piston valves 3.Globe valves 4.Diaphragm valves 5.Rotary valves 6.Sliding cylinder valves 7.Air-operated valves
Control valves are available with different flow characteristics 2012-05-16
A valve signature should always be captured for a new control valve. This procedure performs a number of test and measures control air pressure, valve position and set point.
These methods use different types of level control valves to manage the levels of liquids. 2012-05-14
These methods use different types of level control valves to manage the levels of liquids.



