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Weco
Butterfly Valve Home
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Model 12 and 12N Butterfly Valve Components
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Butterfly Valve Components |
| Ref No. |
Component Description |
Number Required |
| 1 |
Body |
1 |
| 2 |
Disc |
1 |
| 3 |
Seat |
1 |
| 4 |
Upper Stem |
1 |
| 5 |
Lower Stem |
1 |
| 6 |
O-Ring |
3(1) |
| 7 |
Retainer Pin |
2(2) |
| 8 |
Retainer Snap Ring |
1(3) |
| 9 |
Locking Key |
1(3) |
| 10 |
Upper Stem Seal |
1(3) |
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Notes:
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1. 16-inch valve only uses 2. |
| 2. 12- to 14-inch valve uses 4
; 16-inch valve uses only 1. |
| 3. Applies to 16- inch valves only. |
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