Nanda Millar Company offers Coupling for Ductile Iron Pipe. Nanda Millar Company has achieved ISO 9001:2000 certifications. Coupling for Ductile Iron Pipe is a mechanical pipe coupling meant for plain and end pipes. Coupling for Ductile Iron Pipe comprises of two flanges, one central sleeve, two wedge section rubber rings, one set of galvanized D bolt and nut. The tightening of the bolts of these couplings draws the flanges together compressing the sealing rings in gap between the sleeve and the end flanges on to the pipe thus affecting a leak tight joint.
