Nominal caliber. 

4 ", 6", 8 ", 10" 12 ", 16", (20 ")。 

Optional attachment。 

Vacuum circuit breaker. 

-emptying system。 

Blowing system. 

Insulation flange. 

-globe valve。 

Adjustable legs. 

-Manual Quick Connector. 

-limit system

Main components。 

1 upper rope wheel. 

2 inner arm. 

3 steel rope. 

4 inner arm support。 

5 counterweight. 

6 posts. 

7 lower rope wheel. 

8 pedestal. 

9 outer arm drive。 

10 manual quick connector. 

11 emergency disengagement joint。 

12 3D joint. 

13 rotating drive. 

14 inner arm drive. 

15 outer arm. 

16 outer arm support