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28 wrz 2022 · hoke® abv series ball valve For demanding process applications, that handle corrosive and hazardous media, the Hoke ABV series off ers extended service life, reduced fugitive emissions, and superior sealing, in a compact body.
noise and vibration. The V260C full-bore ball valve is designed for automated control in bypass, batch, monitor, and emergency shutoff service applications, and it presents little or no restriction to flow. The V260 full-bore ball valve is available with composition seals, and process type stem packing for improved service life.
Ideal for manifolds, tank farms, pig launchers, river crossings, hot-taps or any other application where a positive, bubble-tight seal is required. The Dual-Seal Ball Valve is capable of acting as an emergency shut-down valve when used with a fail-close actuator. Available in sizes from 2” to 36″
Hartmann ball valves and wellheads are designed for pressure ratings up to 690 bar, temperatures from -200 to +550°C (-328 to 1022 °F) as well as high cycle applications. A long lasting product with low maintenance will fundamentally reduce the lifecycle cost of your plant. German product excellence through innovative engineering and excellence.
Features: 1/8 to 2 in. and 6 to 25 mm sizes; Stainless steel, carbon steel, brass, and special alloy materials; On-off (2-way) and switching (3-way) valves; Compensating seat design; Live-loaded, two-piece stem packing
maximum protection for longer valve life. • Omni-Lap 360o TM CooPer® accuseal’s proprietary mate-lapping process laps the entire spherical surface of the ball and seat surface, not just the sealing band areas. • Vacuum Seal Test CooPer® Accuseal tests the ball to seat seal prior to valve assembly, ensuring seal integrity.
This thermal cycle presents a special challenge to the sealing capability of the valves in steam service. Ball valves are well suitable for steam service if the material selection and valve design are properly selected.
