| |
| Cast Steel Gate Valves |
Class 150 / 300 / 600 / 900 / 1500 |
 |
Bolted bonnet, Outside screw & yoke, Rising stem, Non-rising handwheel, Flexible wedge, Welded or threaded seat ring. |
|
|
| Description: |
Design and manufacture: ANSI B16.34 and
: API 600 |
| Test and inspection: API 598 . |
| Face to face dimensions: ANSI B16.10 |
| End flange dimensions: 2" - 24" to ANSI B16.5 |
End flange dimensions: 26" - 36" to MSS SP-44
End flange dimensions: or API 605 |
| Butt-welding ends: ANSI B16.25 |
| Size: 2" ~ 36" |
|
|
| Materials of body/bonnet and trim |
| Body/bonnet |
WCB, LCB, LCC, WC1, WC6, WC9, C5, C12, CF8, CF8M, CF3 and CF3M etc. |
| Trim (Disc/body seat) |
F6/F6, 304/304,304L/304L, HF/HF, F6/HF, Monel/Monel, 316/316,316L/316L, Monel/HF and 316/HF etc. |
Type of operation: handwheel, gear, electric or pneumatic actuator etc. |
|
| Standard materials of parts |
No. |
Parts |
Materials |
1 |
Body |
A216 WCB |
2 |
Seat ring |
A105 + F6 |
3 |
Wedge |
A216 WCB + F6 |
4 |
Stem |
A182 F6 |
5 |
Bonnet bolt |
A193 B7 |
6 |
Bonnet nut |
A194 2H |
7 |
Gasket |
Stainless steel and graphite spiral wound |
8 |
Bonnet |
A216 WCB |
9 |
Backseat bushing |
A182 F6 |
10 |
Stem packing |
Graphite |
11 |
Lantern |
A182 F6 |
12 |
Pin |
Carbon steel |
13 |
Gland |
A182 F6 |
14 |
Gland flange |
Carbon steel |
15 |
Gland eyebolt |
A307 B |
16 |
Gland nut |
A194 2H |
17 |
Stem nut |
A439 D2 |
18 |
Retaining nut |
Carbon steel |
19 |
Handwheel |
Ductile iron |
20 |
H.W.Lock Nut |
Carbon steel |
21 |
York |
A216 WCB |
22 |
Nipple |
Carbon steel |
|
|
| |
|