Features
1、High-Performance Forged Body Construction: The valve body is formed through an integral forging process using high-quality carbon steel, stainless steel, or alloy steel. This eliminates casting defects, significantly enhances material density and strength, ensuring long-term stable operation under high pressure, high temperature, and demanding conditions, and completely avoids the risk of pressure-containing part failure.
2、Reliable Stem Sealing and Operation System: The sealing surfaces of the disc and seat feature a metal-to-metal hard sealing design. The sealing surfaces are precision ground to ensure excellent mating contact. Rotating the handwheel drives the stem, which lifts or lowers the disc to achieve reliable media shut-off or flow initiation. A multi-layer packing seal structure is employed in the stem stuffing box. The packing gland can be adjusted or the packing replaced as needed, effectively preventing external leakage along the stem.
3、High-Strength Flanged Connection: It utilizes a standard flanged connection design (various sealing face types such as raised face, male/female face, and tongue/groove are available upon request). The valve body flange is secured to the pipeline flange using bolts, with a spiral wound gasket or graphite composite gasket employed to achieve a reliable seal. This connection offers high strength and excellent sealing performance, making it suitable for medium to high-pressure piping systems that require frequent disassembly and maintenance.
4、Low Flow Resistance Straight-Through Flow Path Design: The internal flow path features a straight-through design. This results in a short, smooth media flow path, effectively reducing fluid resistance losses and pressure drop. The smooth transitions in the flow path avoid turbulence and media stagnation, making it suitable for various industrial fluids including water, steam, oil, and corrosive media.
5、Wide Applicability Across Operating Conditions: The product design covers pressure classes from Class 150 to Class 2500 and a wide temperature range. It meets the piping control requirements of diverse industries such as petroleum, chemical, power, metallurgy, pharmaceutical, and general industrial applications.
6、Manual Operation and Shut-off Characteristics: Operated by a handwheel (counter-clockwise to open, clockwise to close), it features low operating torque, a short travel stroke, and simple, effortless operation. It is suitable for applications involving frequent operation. The stem threads are precision-machined and coated with a lubricating layer to ensure smooth and flexible operation.