Typical Pressure Seal Bonnet Y-Pattern Stop Check Valves
This illustration represents a typical Kinka pressure seal y-pattern stop check valve. There will be some minor modifications in each class, type and size.
 |
Body (The seat is formed on the body by stellite hard facing deposit). |
 |
Bonnet with stellited integral backseat. |
 |
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. |
 |
Disc with stellited seat surface. |
 |
Stem |
 |
Gasket Retainer is either a segmented ring (Type A) or one-piece threaded ring (Type B). |
 |
Gasket |
 |
Bonnet Nut |
 |
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. |
 |
Gland Packing |
 |
Anti-Friction Bearings are used on most valves. |
 |
Handwheel or Bevel-Gear Type Valve Operator |