Design standards and product range
1. Design basis and product range: API6D/API608/GB/T12237
2. Face-to-face dimension: ASME B16.10/GB/T12221
3. Flanged ends: API605/ASME B16.47/GB/T9113
4. Butt-welding ends: ASME B16.25/GB/T12224
5. Wall thickness: ASME B16.34
6. Fireproof test: API607
7. Inspection and test: API6D/API598 JB/T9092
8. Product range: 6"~24", DN150~DN600
9. Materials of main parts: WCB, LCB, WC6, WC9, CF8, CF8M
Seat materials: PTFE, RTFE or metal hard seal.

Design features
1. ISO5211 platform design is adopted for the convenience of installing the actuator
2. Double block and bleed function
3. Anti-blow-out stem design
4. The pressure balancing hole is provided on the steel ball
5. The body is provided with a device for cleaning the valve cavity
6. Automatic pressure relief function
7. Fireproof and antistatic design
8. Sealant injection system for emergency seal
9. Multiple driving modes facilitate the realization of automatic control
10. Reliable stem seal and low operating torque. metal hard seal seat can be made according to requirements.