Design features
quarter-turn isolation engineered for elevated temperature and high-pressure plant service

Final dimensions, materials, ratings and documentation depend on the approved configuration.
Power station valves / LIANGGU
This model is a ball valve distinguished by quarter-turn isolation engineered for elevated temperature and high-pressure plant service. For a project quotation, share the required size, pressure designation, materials, seating, connections and quantity. Final suitability is confirmed against the approved specification.
PRODUCT DETAILS
quarter-turn isolation engineered for elevated temperature and high-pressure plant service
a quarter-turn stem rotates a bored ball between open and closed positions; seat design, ball support, body construction, cavity pressure management, and operating torque determine service suitability; verify thermal expansion and body joint
power auxiliaries, steam-related isolation, high-energy drains, and compact automated packages
seat technology, thermal expansion, body joint, cavity pressure, actuator torque, fire-safe requirement, and test conditions
SPECIFICATION REVIEW
Manufacturer-listed options remain subject to the selected design and service. They are not fixed specifications for every configuration.
| Size / DN or NPS | Project-specific — include in your RFQ |
|---|---|
| Pressure designation | Project-specific — include in your RFQ |
| Common material options | Manufacturer optionCarbon, low-alloy, or stainless steel selected from the approved pressure-temperature basis, thermal cycling, weldability, and plant material specification |
| End connection & standard | Manufacturer optionButt-welded, socket-welded, threaded, or flanged ends only within the selected product design and piping-class scope |
| Actuation & accessories | Manufacturer optionManual, geared, electric, pneumatic, or hydraulic operation only where the selected design and duty support it |
| Design standards | Manufacturer optionAPI 608, API 6D, ISO 14313, or the project product standard as the construction and service require; fire testing is a separate specified scope |
| Lead time & documentation | Confirmed in the written quotation |
Listed materials are common options, not an exhaustive range. Share the required grade and service conditions so we can review suitability, manufacturing feasibility and availability.
Catalogue information supports the enquiry. Approved technical documents define the final supply.