DIN Cast Iron RF Flanged End Sofe Seat Gate Valve
Conform to API 600, 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
PN10~PN16, CLASS150
4. Normal Size Range
DN50~DN1000, 2"~40"