Underground pipe network flange butterfly valve
Underground pipe network flange butterfly valve
The butterfly valve of pipe network adopts the upper-mounted structure, which reduces the connecting bolts of the valve body under the condition of high pressure and large caliber, enhances the reliability of the valve and overcomes the influence of the system weight on the normal operation of the valve.
|
Working Pressure |
PN10, PN16 |
|
Testing Pressure |
Shell: 1.5 times rated pressure, Seat: 1.1 times rated pressure. |
|
Working Temperature |
-10°C to 80°C (NBR) -10°C to 120°C (EPDM) |
|
Suitable Media |
Water, Oil and gas. |
|
Parts |
Materials |
|
Body |
Cast iron, ductile iron, carbon steel |
|
Disc |
Nickel ductile iron / Al bronze / Stainless steel |
|
Seat |
EPDM / NBR / VITON / PTFE |
|
Stem |
Stainless steel / Carbon steel |
|
Bushing |
PTFE |
|
“O” ring |
PTFE |
|
Worm gearbox |
Cast iron / Ductile iron |
Pipe net butterfly valve is widely used in coal chemical industry, petrochemical industry, rubber, paper, pharmaceutical and other pipelines as a medium of diversion confluence or flow switching device.
