Specifications
API Casting Steel gate valvegate valve manufacturer
water gate valves and stainless steel gate valve
Bocica Valve Co,. Ltd, valve manufaturer, specialized in kinds of lucie gate valve, ball valve, globe valve etc.
Specification
Stainless steel gate valves
4 inche gate valves
Design and manufacture: API Spec.6D and API 600
Inspect and Test: API Spec.6D and API 598
RF flanged ends: ANSI B 16.5 and MSS SP-44
Butt-welding ends: ASME B16.25
Face to face: API Spec.6D and ANSI B 16.10
Parts material
NO | Parts name | Materials | ||||
WCB/Trime1 | WCB/Trim 5 | WCB/Trim 8 | CFB/304 | CF8M/316 | ||
1 | Body | ASTMA216 WCB | ASTM A351 CF8 | ASTM A351 CF8M | ||
2 | Gasket | Soft iron + Graphite or 304 + Graphite | Graphite+304 | Graphite+304 | ||
3 | Seat ring | A105+13Cr | A105+STL | A105+STL | ASTM A351 CF8 | ASTM A351 CF8M |
4 | Disc | ASTM A216 WCB +13Cr | ASTM A216 WCB +13Cr | ASTM A216 WCB +13Cr | ASTM A351 CF8 | ASTM A351 CF8M |
5 | Stem | ASTM A182 F6a | ASTM A182 F304 | ASTM A182 F316 | ||
6 | Backseat bushing | ASTM A182 F6a | ASTM A351 CF8 | ASTM A351 CF8M | ||
7 | Packing | Graphite | Graphite | Graphite | ||
8 | Gland | ASTM A182 F6a | ASTM A182 F304 | ASTM A182 F316 | ||
9 | Gland eyebolt | ASTM A193 B7 | ASTM A193 B8 | ASTM A193 B8M | ||
10 | Eyebolt nut | ASTM A194 2H | ASTM A 194 8 | ASTM A 194 8M | ||
11 | Eyebolt pin | ASTM A36 | 304ss | 316ss | ||
12 | Gland flange | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8 | ||
13 | Bonnet bolt | ASTM A193 B7 | ASTM A193 B8 | ASTM A 194 8M | ||
14 | Bonnet nut | ASTM A194 2H | ASTM A194 8 | ASTM A 194 8M | ||
15 | Bonnet | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M | ||
16 | Nipple | Carbon steel | Carbon steel | Carbon steel | ||
17 | Stem nut | ASTM A439 D2 | ASTM A439 D2 | ASTM A439 D2 | ||
18 | Yoke sleeve nut | Carbon Steel | Carbon Steel | Carbon Steel | ||
19 | Hand wheel | Ductile cast iron | Ductile cast iron | Ductile cast iron | ||
20 | Hand wheel nut | Carbon Steel | Carbon Steel | Carbon Steel | ||
21 | Set screw | ASTM A193 B7 | ASTM A193 B7 | ASTM A193 B7 | ||
