Group Standards of the People's Republic of China CN / TUANTI
Latest
T/WZBF 050-2024
Scope
This document specifies the requirements for the connection of part-turn drives connected to industrial valves. Including:
——The necessary flange dimensions for the part-turn drive device connected to the industrial valve (see Figures 1a and 1c) or the intermediate connection support (see Figures 1b and 1d);
——The required flange size for the connection to the driven part The necessary structural form and dimensions of the driving parts of the partial-turn drive device;
——The dimensions of the flange connection surface directly connected to the industrial valve and the torque reference value of the connecting flange.