Central globe Valve, sealed with elastic liner (EPDM XC/XU or nitronitril K), with handle, manual reduction transmission, pneumatic or electric actuator, housing with centering groove (T2), housing with threaded flange groove (T4). Housing types T2 and T4 allow single side removal of flanges and installation as stern valves. Ductile iron or stainless steel disc. The interface complies with EN standards.