Control valve Type SG09; DN40; PN10/40; NC; Material: Zinc plated steel; Fixed disc Stainless steel 1.4571; Sliding disc Carbon material; Kvs-value 11 (100%); Characteristic Equal percentage; Diaphragm actuator 125cm², Silicone-free; ATEX zone 1; Incl. Earthing connection; Incl. Inspection certificate EN-10204-3.1; For pressure, function and tightness; And Material; Samson Positioner 3725