FN1-BV1W-1G (Wafer Butterfly Valve–Gear box Operation)
●Brief
The soft seal butterfly valve is suitable for water supply and drainage and gas pipelines of food, medicine, chemical industry, petroleum, electric power, Taijin, urban construction, light textile, papermaking, etc. with temperature ≤ 120c and nominal pressure ≤ 16MPa
●Features
1. The design is novel, reasonable, structure, light weight and quick opening and closing.
2. Small operating torque, convenient operation, labor saving and dexterous.
3. It can be installed in any position and maintained conveniently.
APPLICATION
General Use: Water,sea water,gas, pressurized air, acids etc.
CARACTERISTIQUES GENERALES
Resilient Seat Wafer Type Butterfly Valves Design according with BS EN593/APl609
Testing according with EN598.For Shell:1.5times Sealing:1.1times. Tightness in both ways.wafer type with smooth ears.Resilient seat adapted to the shape of the body assures low operating torque.Mounting flange according to ISO 5211
CONSTRUCTION
| NO. | PARTS | MATERIAL |
| 1 | BODY | Cl/ DI |
| 2 | SEAT | EPDM / NBR / VITON / SILICON |
| 3 | LOWER SHAFT | SS416 / 316 / 304 |
| 4 | DISC | DI / CF8 / CF8M |
| 5 | UPPER SHAFT | SS416 / 316 / 304 |
| 6 | O-RING | NBR/EPDM |
| 7 | BUSHING | PTFE / BRONZE |
| 8 | BOLT&NUT | STAINLESS STEEL / GALVANIZED |
| 9 | FLAT WASHER | STAINLESS STEEL / GALVANIZED |
| 10 | BUSHING | CARBON STEEL/ ALUMINUM |
| 11 | BOLT | MALLEABLE IRON / AL / SS |
| 12 | PRESSURE RING | CARBON STEEL |
| 13 | WORM GEAR | DI |
STANDARDS
Manufacture according to the requirements of the European directive 2014/68/EU, ，modulate H Face to face according to standards NF EN558 SERIE 20.ISO 5752,DIN 3202.
Mounting between flanges UNI EN1092:PN10/16 ANSl150,JIS10K,BS 10,TABLE etc.
Body:24bar Seat:17.6bar
