GB Worm Operated PN6.4Mpa DN200 Gate Valve:

1. Full port, outside screw and yoke
2. Bolted bonnet
3. Flexible wedge, and fully guided
4. Rising stem and non-ring handwheel
5. Available with gear operator
6. Flange ends
7. Butt-welding ends
Standards:
1. Design and manufacturing: API600, API6D, GB12234
2. Flange dimension: ANSI B 16.5, JB/T79, GB9113
3. Pressure and temperature: ANSI B 16.34
4. Face to face dimension: ANSI B 16.10, GB12221
5. Butt welded dimension: ANSI B 16.25
6. Test and inspection: API598 JB/T9092