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Technology
- The introduction of ball valve
- The main selection principle of ball valve
- The main basic parameters of the ball valve
- The ball valve advantages
- The classification of ball valve
- Ball valve applicable occasions
- Ball valve model establishment method instructions
- Standard collection of ball valve
- Fixed ball valve use scope, manufacturing standard and performance specifications
- Structure feature of fixed ball valve
- Installation of ball valve
- Maintain standard of ball valve
- Online maintain of ball valve
- Below-the-line maintain of ball valve
- Gas tightness test of ball valve
- Significance of flange
- Performance requirement of fire-fighting ball valve
- Principle of orbit hard-seal ball valve
- Main characteristic of V type control ball-valve
- Structure model and specification of fire-fighting ball valve
- Type formulation method of fire-fighting ball valve
- Technical requirement of fire-fighting ball valve
- Test method of fire-fighting ball valve
- Inspection standard of fire-fighting ball valve
- Damage process and phenomenon of ball valve sealing seat
- Damage resolution methods of high-temperature ball valve sealing seat
- Summary of electric v-type regulating ball valves
- The characteristics of pneumatic ball valve and the performance specifications
