OPUS

Fitting Couplings (no-hub)

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No-hub couplings are the alternative to the older method of joining conventional hub and spigot pipe fittings by caulking with oakum and lead and the later method of compression gaskets. 
No-hub couplings are used for joining hubless cast iron pipe and fittings in drainage, waste and vent systems. The are flexible, not only enabling them to accommodate possible disparities in mating pipe but also providing a permanent seal which is superior to other, more rigid types of couplings.



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