Typical Bolted Bonnet Gate Valves

Cast Steel Bolted Bonnet Gate Valves This illustration represents a typical Kinka bolted bonnet gate valve. There will be some minor modifications in each class, type and size.
1. Body
2. Integral Yoke and Bonnet is flexible wedge type..
3. Disc is flexible wedge type.
4. Seat Rings (screwed-in or seal-welded on the body) or Integral seat.
5. Stem
6. Gasket
7. Bonnet Bolts
8. Gland is two-piece, ball type which exerts uniform pressure on the packing without binding the stem in the event that nuts are unevenly tightened.
9. Gland Packing
10. Anti-Friction Bearings are shown. Some designs provide plain bearing.
11. Handwheel or Bevel-Gear Type Valve Operator (not illustrated here)