Flowserve 51 Series Flanged Ball Valves - Manual (Page 6)

Flow Control Division
Worcester Controls
6 Z|x" - 2" 51/52 One-piece, Flanged Ball Valves WCAIM2014
New Style 51/52 Valve Stem Builds, continued
Valves with UHMWPE “U” Seats
Automated Valve Shown
CL Series and Oxygen Service Valves
Automated Valve Shown
Oxygen Service Valves with UHMWPE “U” Seats
Automated Valve Shown
NOTE: Manual valve stem build components such as stem seal(s), thrust bearings and seal protector are the same as automated valves. For
colors of various stem components, see color chart below.
Color Chart for Various
Stem Component Materials
Material Color
Polyfill Black
PEEK Tan
Graphite Silver Gray
Carbon-Filled PTFE Black
UHMWPE Opaque White
Delrin Brown
Filled TFE Off-White