Jacketed wafer type compact in structure, keep short distance between the valve seat and the end flange, low remains, superior in sealing, long service life etc.
Normally seat seal is PTFE material ( used in -20 ~ 160ºC ), PPL or M seat seal materials are available chosen ( used in -30 ~ 250ºC ). Widely used in such chocolate, sulphur, hot oil, grease, benzene, asphalt, wax, polyurethane, resin, alcohol an so on like
oothpaste industry, vacuum system, the best cream pot discharge products etc.