... bearings, virtually eliminates plugging/clogging of the valve.Hot tags: Segmented Ball Valve, China, mill, manufacturer, supplier, factory ... degree V "notches", the V-ball Valve is a low maintenance valve with a tight bubble shut off feature ... packing: PTFE, grafoil, braided PTFEActuator: cylinder, pneumatic, electric, actuator, manual, gear, hydraulicHigh precision ball, high tightness seatLong ...