Ingersoll-Rand air control valves are built to be shifted by way of an electrical solenoid. They characteristic solenoid/spring actuators and offer rugged design with superb stream. The valve bonnet seats at the best in the valve system. The core tube and stem lengthen in the bonnet and into the valve. https://josuegfqjl.daneblogger.com/17301324/everything-about-pneumatic-actuator-types