Flowserve 51 Series Flanged Ball Valves - Manual (Page 7)

Flow Control Division
Worcester Controls
WCAIM2014 Z|x" - 2" 51/52 One-piece, Flanged Ball Valves 7
Old Style 51/52 Valve Stem Builds
V51 High-Cycle Option
for Automated Valves
Valves with UHMWPE “U” Seats
Automated Valve Shown
Fire Valve
Automated Valve Shown
PT Series with High-Per Fill “X” Seats
Automated Valve Shown
Standard 51/52 Manual Valve
Including PT Series with “A” or “G” Seats
and CL Series
NOTE: Stem build components such as stem seal(s), thrust bearings and seal protector (if used) are the same for manual and automated valves.
For colors of various stem components, see color chart on page 6.