| valve details: | |
| model | dfbfv |
| operation | lever / gear / pneumatic |
| size | 80 mm to 800 mm |
| design | short wafer type double flanged centric disc butterfly valves with single piece rubber lined body |
| body | gray iron / cast steel / ductile iron / cf8 / cf8m / cf3m |
| disc | gray iron / cast steel / ductile iron / cf8 / cf8m / cf3m / cd4mcun (s.g. iron with teflon / teflon / powder / nylon coated / & rubber line) |
| seat | nitrile / epdm / viton / hypelon / silicon / neoprene |
| seal leakage | pn 10 / pn 16 ( pn 20 on request) |
| temprature | -20 0c to 80 0c for nitrile seat (depending on moc) |
| pressure rating | pn 10 / pn 16 |
| end connection | double flange as per asme b16.5 / asme b 16.47 class 150 |
| actuator details: | |
| methoud of transmission | double rack and pinion type |
| actuation | double acting- air to open, air to closed fail safe-stay put |
| body material | extruded aluminium hard anodized |
| caps and rack | allumimium pressure die cast |
| pinion | en 8 |
| seals | buna- n |
| air pressure | normal air supply pressure- 5kg/cm2 |
| max. air supply pressure- 7kg/cm2 | |
| actuator design | iso 5211 (actuator can be quickly and easilly mounting) |
| rotation | 900 – quarter turn |
