2" size valves shown view a-a, Worcester controls – Flowserve 51 Series Flanged Ball Valves User Manual
Page 4

Flow Control Division
Worcester Controls
4
Z|x" - 2" 51/52 One-piece, Flanged Ball Valves
WCAIM2014
When ordering parts, please provide the part name and following
information as found on the valve nameplate:
1. Valve size, style and revision number:
e.g.,
1
/
2
" – 5146T 150 R2 Ball
2. Valve size, style and five-character code, known as a “P-Number”,
“T-Number,” “C-Number”, or similar, the designation for a non-
standard product:
e.g.,
1
/
2
" 5266 RT 300 P3790 Stem
3. Porting (if a diverter valve) must also be specified when ordering
these parts:
e.g., 2" D5166 T 150 V1 R6 Ball
The terminology shown in the following exploded view parts listing is
standard. Please use when ordering parts.
1
1
/
2
" – 2" Size Valves Shown
View A-A
Item
Qty
Description
1
1
Body
2
1
Nameplate
3
1
Stem
4
1
Thrust Bearing
5
1
Ball
6
2
Seat
7
1
Body Seal
8a
1
End Plug (
1
/
2
" - 1")
8b
1
End Plug (1
1
/
2
" - 2")
9
1 or 2
Stop Pin (Manual Valve Only)
10
1 or 2
Stem Seal (See Part D.3.c.)
11
1
Follower
12
2 or 4
Belleville Washer (See Part D.3.d.)
13
2
Retaining Nut
14
1
Lockwasher
15
1
Handle (Manual Valve Only)
16
1
Self-Locking Stem Nut (Automated Valve Only)
17
1
Stem Seal Protector
18
1
Thrust Bearing Protector