September 2010

Trends and Resources

New Developments

Gas-over-oil pipeline actuator  The Shafer SH series of gas-over-oil valve actuators are said to be ideally suited to automate valves used for gas transmission, as well as at..

Gas-over-oil pipeline actuator  The Shafer SH series of gas-over-oil valve actuators are said to be ideally suited to automate valves used for gas transmission, as well as at compressor stations, gathering plants, storage facilities, meter runs and many other applications. Designed for 50 years of operation, the actuator has a 15-year seal life and a 10-year, industry-leading warranty. The SH series actuator is operated by hydraulic oil, pressurized by pipeline gas. This prevents the internal corrosion that is associated with other actuator designs. The gas is contained within two tanks, half filled with hydraulic oil. Contaminants and moisture in the gas settle to

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