Rising Stem Gate Valve from China Suppliers - Quality Manufacturing by Leading Factory
Functions
It provides a full-open or full-close mechanism, ensuring minimal pressure drop when fully open. This makes it ideal for systems requiring unobstructed flow paths.
The valve operates by lifting a wedge-shaped gate via a threaded stem, which is synchronized with the rotation of a handwheel or actuator.
Engineered to withstand high-pressure environments, its structure distributes pressure gradients across multiple stages (in models with helical screw designs), reducing stress on individual components.
The wedge-shaped gate and precision-machined seats ensure tight sealing, preventing leakage even under extreme conditions.
Key Features
The stem rises externally as the valve opens, providing a visual indicator of the valve’s position. This feature simplifies operational monitoring and maintenance.
Made from materials like alloy steel (e.g., 9SiGr) or corrosion-resistant alloys, it ensures longevity in harsh environments.
Some models incorporate water-cooled housings to manage thermal expansion during continuous operation.
The modular design allows quick disassembly for servicing. For example, the suspended bearing structure and accessible synchronization gears simplify repairs.
Compatible with manual handwheels, electric actuators, or pneumatic systems. The external screw mechanism enables smooth torque transmission, reducing operational wear.
- Quick-Opening Models: Designed for rapid actuation in emergency shutdown systems.
- Double-Disk Parallel Gates: Enhance sealing reliability in systems with fluctuating pressures.
Comparison with Non-Rising Stem Valves
Unlike non-rising stem valves (where the stem remains stationary), rising stem valves offer better visibility and reduced internal wear due to external thread exposure. However, they require more vertical installation space.
Applications
Commonly used in:
- Oil and gas pipelines
- Water treatment plants
- High-vacuum industrial pumps
For detailed technical specifications or installation guidelines, refer to valve engineering manuals or manufacturer datasheets.
Other Description
Company Profile
Certification
Our Advantages
More than 60 years of valve production experience with advanced processing equipment, large testing laboratories, and sufficient raw material reserves.
FAQ
A: Yes, we are a valve manufacturer since 1956, having more than 60 years of valve production experience.
A: Yes, you can customize requirements for standard, size, color, packing, nameplate, mark, etc.
A: Yes, we can provide the samples but do not pay the charge of freight.
A: 30% in advance, 70% balance before shipment.
A: Yes, we have pressure testing equipment, large-scale laboratories, and non-destructive testing equipment.
A: The valves are manufactured from high-quality materials such as alloy steel (e.g., 9SiGr) or corrosion-resistant alloys to ensure longevity in harsh environments.