Valve stuffing box leak sealing

⒈ Sealing operation approach

 ⑴. Make a depression at middle position of the stuffing box; Open an transitional pore by a φ5 drill bit，leave (4～5)mm wall thickness incomplete；

 ⑵ Bore the hole and tape to fix in the adaptor；

 ⑶ . Passing through the adaptor and transitional pore, dill the remaining wall thickness with φ4 drill bit to lead the system medium out;

 ⑷ Connect with the injection gun and inject sealant.

2,  Leaking medium