Typical Pressure Seal Bonnet Globe Valves

Typical Pressure Seal Bonnet Globe Valves

This illustration represents a typical Kinka pressure seal bonnet globe valve. There will be some minor modifications in each class, type and size.

1 Body (The seat is formed on the body by stellite hard facing deposit).
2 Bonnet with stellited integral backseat.
3 Yoke is mounted directly on the body. In Type B design, sizes 4" and smaller have an integral yoke and gasket retainer which is screwed into the body to hold the gasket.
4 Disc is swivel plug type, and seat surface is hard faced with stellite. Ball type or needle type disc can be provided when so requested.
5 Stem
6 Gasket Retainer is either a segmented ring (Type A) or one-piece threaded ring (Type B).
7 Gasket
8 Bonnet Nut
9 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.
10 Gland Packing
11 Anti-Friction Bearings re used on most valves.
12 Handwheel or Bevel-Gear Type Valve Operator