Ductile Iron Di Mj Collar, Size/Diameter: 3 inches, Size: Up to 500mm

The mechanical joint is based on the stuffing box principle and consists of a bell with an integrally cast flange, a cast or ductile iron gland, a rubber gasket and the necessary bolts and nuts. Its design permits considerable deflection as well as longitudinal expansion and contraction in the line.Ductile Iron Fittings - Express Mechanical Joint Fittings Mechanical Joint fittings come with a flexible joint, where the sealing is obtained by applying pressure to the gasket by mechanical means, viz. a separate gland. The gland when bolted with the pipe exerts pressure on the sealing rubber gasket and makes the joint leak-proof. The pipe socket provides an exterior flange having bolt holes and an internal socket with annular recess for both the gasket and the mating plain end. Accessories consists of a gasket, a flower gland and tee head bolts with hexagonal nuts.