Gravity Lock with Silicon Gasket ( 50 mm ):-

Gravity lock double locking with inside and outside gasket and head plate with body and coupling ring with automatic resetting for threaded bolt M16 or 5/8" BSW. With head plate, couplable for pressed packages. By coupling the cap and the head plate becomes a unit to eliminate leakage.No undesired repressing /compaction of the material column, while dyeing from outside to inside with limitation of height, by means of 2 lock nuts on the threaded bolt.