Design and manufacture of product are according to American petroleum
institute standard API608.API6D¡£
Liquid resistance is very small¡£
The speed of open is very quick¡£The
valve only turn on 900
may finish open and close.
Seat material use Teflon or R-teflon,low friction,credible seal and easy
open and close.
The movement of sphere on the middle of seat has wipe function so may be
suitable for medium of suspend granule.
Stem use back seal and hyperbatic structure which may prevent stem¡¯s
striking under the medium pressure.
According to the need of consumer may design anti-static,fire-resistant
and preventing wrong operation locked organ.
Sphere has floatable ball and fixed ball according to need of strength of
open and close, The seat of fixed ball ball valve is float depending on the
pressure of medium to produce piston¡¯s effect,realizing seal,reducing strength