- 1 April 2008 -

Family of ball control valves

Flowserve Corp has introduced the Valtek ShearStream SB segmented v-port type ball control valve and in addition, has upgraded its ShearStream HP with heavy-duty seat.

The family of Flowserve ball control valves, the company says, offer the reliable engineering needed for demanding applications in the chemical, oil and gas, pulp and paper and power industries.

Features of the ShearStream SB include: standard metal and soft seat options that provide tight shutoff for ANSI Class 150 and Class 300 service. V-ring stem packing with a combination of virgin PTFE and carbon-filled PTFE, and a Turnex high-performance actuator. The actuator, Flowserve claims, is direct mounted for better control and fewer parts, and has a double-acting piston and precision linkage connection for accurate control and high-torque output.

According to Floweserve, the ShearStream HP design offers a broader array of options, which allows for higher temperatures and higher pressures. For applications with high-pressure drops, the heavy-duty seat the HP design features several fugitive emission packing combinations, 300 to 1 rangeability and ANSI Classes 150 to 600.

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