[Essential information]
Special fire signal butterfly valve is the introduction of foreign advanced technology and middle type butterfly valve developed by BWSX, in line with the advantages of simple structure, reliable sealing, easy opening, long service life and convenient maintenance of special fire signal valve clip. It is widely used in water supply and drainage, building, fire fighting systems, all kinds of pipes, especially in fire lines.
Main parts of fire signal butterfly valve:
No. | Part name | Material | No. | Part name | Material |
1 | valve body | Ductile iron, cast steel | 7 | Seal ring | NBR.EPDM |
2 | Valve shaft | SUS410/SUS316 | 8 | Circular gasket | SUS316/brass |
3 | Disc | Ductile iron, stainless steel | 9 | Ring opening | SUS316/brass |
4 | valve seat | EPDM,PTEE | 10 | Ring | Spring steel |
6 | bushing | Bronze, PTFE |
[Standard parameter]
Design standard | GB/T12238-2008 |
Structural length | GB/T12221-2005 |
Connection standard | JB/T 79.1-1994 |
Pressure test | GB/T13927-2008 |
[Adaptive condition]
Now widely used in petroleum, chemical industry, gas equipment, nuclear power equipment, water treatment, air conditioning, iron and steel metallurgy, industrial furnace, canned equipment, brewing equipment, drying equipment, vacuum equipment, surface treatment, bio pharmaceutical, food machinery, textile, papermaking and other industries, is the preferred product construction the construction of national defense science and technology.