Manual Operated FLG RF/FF Weir Diaphragm Valve with Bonnet Conform to BS 5156 . They are tested according to BS 6755, and marked as per MSS SP-25
Construction is as follows:
- "A" Type |
- Lined or Unlined |
- With Electric or Pneumatic Actuator |
- With or Without Locking Device |
- With Position Indicator |
- Flanged Ends to ASME B16.5, BS 4504, EN 1092 |
Main Part & Materials
Part Names |
Part Materials |
Body/Bonnet |
Cast Iron |
Ductile Iron |
WCB |
CF8 |
CF8M |
CF3 |
CF3M |
Disc |
Cast Iron |
Ductile Iron |
WCB |
CF8 |
CF8M |
CF3 |
CF3M |
Lining |
NR/BR/IIR/CR/NBR/EPDM/CSPE |
Diaphragm |
NR/BR/IIR/CR/NBR/EPDM/CSPE |
Suitable Medium |
Graphite/PTFE |
Suitable Temperature |
-20~120 °C |
Normal Pressure Rating
PN6~PN16, CLASS150
Normal Size Range
DN50~DN300, 2"~12"