Nanda Millar Company manufactures Mechanical Pipe Coupling with Two Flanges. Nanda Millar Company has obtained ISO 9001:2000 certifications. Mechanical Pipe Coupling with Two Flanges meant for plain and end metric uPVC pipes. Mechanical Pipe Coupling with Two Flanges comprises of 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.