Mrk industries offers ss ball valves and high-pressure pipefittings. This unit offers wide range of ball valves - screwed/flanged end type in single, two and three piece designs. Mrk ball valves features double conical spring washers to compensate normal wear and temperature variation on stem sealing; safe blowout proof stem; and smooth two-way flows. Suitable for hot and cold applications and is compact in design. Relief slots in the ball seats lower operating torque and reduces wear for longer life. These valves are also available with actuators. Available sizes 1/4" to 4".