Prevents the shell leakage from stem under heavy duty condition such as high pressure and vacuum. Strong structure for high pressure.
Patented touch seat:
Organize low torque, long life, tight shut off. The disc to close with no virtually no friction contact between the disc and seat. Low torque : Easy to operate and small actuator can be installed.
3. INJECTED SEAT
The seat is injected to the valve body for heavy duty condition.