Valtec controls provides offers speciality ball valves. These ball valves , which conform to ansi b 16.104 class vi leakage. Following are some of the hardware features of these ball valves which include:these ball valves are reduced bore/full bore valves of 3-piece sandwich construction with 2-body connectors forming the pipe to valve connections. The connectors are available in screwed or socket weld ends. The body of the valves fit in between the connectors and contain ball, ptfe body connectors, seal and stem assembly. The corrosion resistant ball is held between he body connector bolting which . This ensures leak-tight shut-off in both direction under pressure of vacuum conditions. The stem assembly in corporate an anti-blowout stem inserted from inside the body. The seal is effected by sspring effects the seal on the stem and body. The use of ptfe for all sealing members leads to results in low torque valve. This torque valve is best suited suitable for a wide variety of services and conditions.