Top Entry Type Trunnion Mounted Ball Valves
| No. | Part Name | Carbon Steel | Stainless Steel | Low Temperature Service |
1 |
Body | A216-WCB | A351-CF8M | A352-LCB |
2 |
Bonnet | A216-WCB | A351-CF8M | A352-LCB |
3 |
Ball | A351-CF8 | A351-CF8M | A351-CF8 |
4 |
Stem | A276-304 | A276-316 | A276-304 |
6 |
Seatring | R-PTFE (Glass 15% fiver), Nylon, PEEK, Viton | ||
7 |
Packing | PTFE, Graphite, NBR, Viton | ||
8 |
Bonnet Gasket | Graphite, Graphite+316SS, PTFE, NBR, Viton | ||
9 |
Bonnet Bolt | A193-B7 | A193-B8 | A320-L7 |
10 |
Bonnet Bolt Nut | A194-2H | A194-8 | A194-4 |
11 |
Gland | A576-1020 | A276-316 | A276-304 |
12 |
Gland Bolt | A193-B7 or EQ | A193-B8 | A193-B7 or EQ |
13 |
Thrust Washer | PTFE | ||
17 |
Stem Bush | STEEL + PTFE | ||
18 |
Seat Retainer | A576-1020+HCr plated | A276-316 | A276-304 |
19 |
O-ring (A) | NBR, Viton | ||
20 |
Seal | Graphite, NBR, Viton | ||
21 |
Spring | SWOSC | AISI316, Inconel x 750 | AISI316 |
22 |
O-ring (B) | NBR, Viton | ||
23 |
Thrust Washer (B) | PTFE | ||
35 |
Key | A576-1045 | ||