1. integral seamless steel tube pressed full-auto welded without
2. PTFE+25% carbon fiber and disc spring feely compensating
structure zero leakage.
3. can be directly buried without need of a high ground well,saving
the engineering cost.
4. both valve and pipeling are made of the same material, without
the condition of uneven sterss.
5. in multiple connection combination, for use with special working
This series of products are reliable sealing performance,
maintenance-free for 20 years, switch torque light,can be installed
in heat transfer stations, district heating pipe network, branch
pipes, heat exchanger unit, heat transfer equipment or ancillary
equipment connected to other.use for cut off . The main use of the
urban heat, city gas, city water supply and drainage lines.