Aluminium Screw Up Bung Set is designed for purging applications where inflatable purging systems, paper dams or water soluble film may not be available or practical.
Ideal for purging out of round and oval tubes, or in ‘elbows’, ‘tees’ and other fittings due to the function of the expanding rubber seal.
This set includes 1 of each size; 1, 1.5, 2, 2.5, 3 & 4″.
Sizes 1 and 1.5″ are nylon construction and 2-4″ are aluminium type.
All bungs are available individually up to 17″