Cast Iron Extended Stem Gate Valve with RF or FF Ends with Stem Nut Operated Conform to BS5156, and ASME B16.34.
They are tested according to API 598, and marked as per MSS SP-25
1. Construction is as follows
- Full Port or Standard Port |
- Outside Screw and Yoke(OS&Y) |
- Bolted Bonnet with spiral-would gasket, threaded and seal welded bonnet and threaded and pressure seal bonnet |
- Backseat |
- Solid or Flexible Wedge |
- Butt Weld Ends to ASME B16.25 |
- Flanged Ends to ASME B16.5 and B16.47 |
2. Main Part & Materials
Part Names | Part Materials |
| Cast Iron | Ductile Iron |
Body | A126 B | GG 20 | FC 20 | A536 | A395 | GGG40 | GGG50 | FCD |
Bonnet | A126 B | GG 20 | FC 20 | A536 | A395 | GGG40 | GGG50 | FCD |
Wedge | A126 B | GG 20 | FC 20 | A536 | A395 | GGG40 | GGG50 | FCD |
Stem | F6a/SS410/SS420/SS304/SS316 |
Seat/Seat Ring | NBR/EPDM/VITON |
Suitable Medium | Water, Waste Water, Sewage |
Suitable Temperature | -20~150 °C |
3. Normal Pressure Rating
PN6, PN10 & PN16 Class125 Class 150
4. Normal Size Range
DN50~DN1000, 2"~40"
5. Pictures
Final Inspection
Shipment