RICHTER - Heavy Duty Ball Valve. Size: 6 Inch Ball: PFA lined. Max Admissable Torque: 2200Nm Manually operated with lever. ASME version; With one-piece PFA-coated ball shaft or aluminum oxide ball with PFA-coated control shaft, maintenance-free self-adjusting Richter ENVIPACK stuffing box, low dead space as standard, seat rings made of PURE PTFE, manually operated. Item is new. Heavy duty ball valves with ENVIPACK stem sealing. The ball valve family, KN, excels by offering problem solutions from a modular system. The selection of fluoroplastic linings, the large temperature/pressure range and the numerous options permit a tailor-made solution for virtually every application involving highly corrosive and ultrapure media - with more or less the same components! The standard KN/KNA modular system: 1 ISO/DIN 1 ASME/ANSI body, 2 lining materials, 1 universal stem sealing, 4 standard ball versions. The ball valves of the KN/KNA family are - Shut-off and control valves for highly aggressive fluids - For applications where stainless steel, special metals and standard plastics are not sufficiently corrosion-resistant - the cost-effective and readily available alternative to special metals - Suitable for pure, ultrapure and solids-laden media