- Hydraulics - Pneumatics
- Valve
- Ball valve
- Athena Engineering S.r.l.
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Ball valve leverpneumatically-operatedshut-off
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Characteristics
- Type
- ball
- Operation
- lever, pneumatically-operated
- Function
- shut-off
- Media
- for oil, for gas, for steam
- Body
- flange, seat, trunnion, trunnion-mounted, stainless steel, carbon steel, steel, alloy, cast steel, Hastelloy®
- Applications
- process, for the petroleum industry, for heating, for the paper industry, cryogenic, for the mining industry, for gas turbines, refinery, for boiler, power line
- Associated function
- reducing
- Other characteristics
- ISO, full-flow, high-performance, anti-static, fire-safe, ATEX
- DN
Max.: 40 in
Min.: 2 in
Description
- In a wide variety of cast materials covering carbon steel, alloy steel, and stainless steel.
- The ball of a trunnion mounted ball valve is fixed or constrained at two pivot points(upper stem and bottom stem).
- By using a bearing at the bottom stem(trunnion), only pivoting movement is allowed within the body cavity.
- The upstream seat is a floating seat and the process pressure pushes it against the ball’s sealing surface.
- The seat can also be pre-stressed during assembly, using seats that have a spring action. This design applies continuous pressure against a trunnion-mounted ball after the ball is installed, while the top-works apply a load to the entire closure member.
- Cast steel trunnion mounted ball valves are often soft seated and can attain a bubble-tight sealing.
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.