~  Gauge Valves (GV and GR series) features:
1. Max working pressure:
Stainless steel: 414bar (6000 psig)
Alloy 400:     345bar (5000 psig)
2. Working pressure for GV series:
Peek packing: -54°C to 232°C (-65°F to 450°F)
Graphic packing: -54°C to 649°C (-65°F to 1200°F)
3. No-rotating lower stem, ball tip and plug tip design.
4. Various seats and sealing materials are available.
5. The valve has back sealing function on the full position.
6. Rolling and squeezing stem threads have good mechanical performance.
7. Lubricant of the upper stem threads is separate from medium.
8. Externally adjustable packing.
9. Standard bonnet set screw.
10. T type low operating torque.
11. Diverse colors of handle are available.
12. Two handle pins make the handle firmly and lastingly.
13. Every valve is 100% factory test with nitrogen for leak-tight performance at its maximum pressure.