Western polyrub manufacture inflatable seal for bulk bag sealing,its mainly made from food grade ,high strength neoprene or nbr rubber. We also provide silicone rubber on request.
we are proud to developed bulk jumbo bag sealing inflatable tube same quality as pawling pneumaseal and supplied to many end users
The filling head of bulk bag is consists of an inner and outer feed tube with bag inflator and dust extraction spigot and western inflatable seal. The bulk bag inlet spout is inserted over the feed tube outlet, and the western polyrub seal is inflated to create a dust tight connection between the two. Displaced, dust laden air is extracted through the outer tube, which vents through a dust sock or to your central dust collection system.