This manual provides installation, maintenance, operation, and safety instructions for KTM NB/MB series three-way ball valves.
The document serves as the official installation and maintenance guide for KTM NB/MB series three-way ball valves. It covers two-seat (L-type) and four-seat (L-type and T-type) configurations designed for switching flow in liquids, gases, and powders. The manual emphasizes safety precautions regarding high temperatures, pressure limits, and proper handling during transport and installation. This manual is written in Chinese.
The ball must remain in the open position, and end flanges must be protected with suitable sealing discs.
No, the handle is not designed to bear the weight of the entire valve and should not be used for lifting.