Seal Sliding Stem Valves
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Fisher EHD and EHT NPS 8 through 14 Sliding-Stem Control ...
www.emerson.comThe EHD and EHT valves, shown in figure 1, are large, sliding‐stem, high‐pressure, globe‐style valves. These valves have metal seats, cage guiding, and push‐down‐to‐close valve plug action. The EHD and EHT valves feature balanced valve plugs. To provide a seal between the valve plug and cage, the EHD
Product Bulletin Fisher ET-EAT-ETR Sliding Stem Control Valves
www.emerson.comFisher™ ET, EAT, and ETR Sliding-Stem Control Valves Fisher ET, EAT, and ETR general-purpose control valves (figures 2, 3, and 4) are used for throttling or on-off control of a wide variety of liquids and gases. All three valve designs have single ports, balanced valve plugs, and cage guiding. Metal-to-PTFE seating for stringent
CONTROL VALVE HANDBOOK
www.controlglobal.comControl valves are an increasingly vital component of modern manufacturing around the world. Properly selected and maintained control valves increase efficiency, safe-