The butterfly valve is a lug valve with threaded holes for a variety of applications. the valve can be used as a stop for faucets, opening/closing and flow control at the end of the pipe. the threaded holes make it easy to install or unload from the pipe. the operation can be manual, pneumatic, hydraulic or electric.
1. normal diameter
2. normal pressure
3. suitable temperature
-29℃ - 180℃
4. connection ends
rf / npt / bw / sw
5. disc material
stainless steel / duplex steel / cast iron / bronze
6. seat material
epdm / nbr / viton
lever, gear, electric, pnewmatic
●motor automatic reset constant temperature protection
●on/off limit switch, the cam can be adjusted along the whole stroke
●auxiliary limit switch, cam adjustable along the entire stroke
●safety adjustable mechanical limit switch
● gradient visual position indicator
●removable lever for manual operation
●electrical connection with screw terminals
●lock the power supply cable through the cable press
Replaceable rubber sleeve with integrated seal for reliable function, for flared flanges, welded flanges, PE flanges and loose flanges with V-rings.
The gasket is made of a vulcanized support ring and the seal seat is stable.
For bolted connections between pipe flanges.
End of valve as full differential pressure.
Both flow directions are tight.