Page 102 - Valve Selection Handbook
P. 102
Manual Valves 89
Figure 3-46. Damage to Guide Slots of Figure 3-47. Damage to Valve Body
Flexible Wedge Resulting from Attempted Guide Ribs Resulting from Attempted
Closure of Wedge Gate Valve with Closure of Wedge Gate Valve with
Wedge Rotated and Jammed in Valve Rotated Wedge Jammed in Valve Body,
Body, Size DN 300 (NPS 12) Class 150. Size DN 300 (NPS 12) Class 150.
(Courtesy of David Mair.) (Courtesy of David Mair.)
Figure 3-48. Bent Valve Stem with
Damage to Stem Surface Resulting from
Attempted Closure of Wedge Gate Valve
with Wedge Rotated and Jammed in
Valve Body, Size DN 300 (NPS 12)
Class 150. (Courtesy of David Mair.)
