procurement of different size couplings at ahpmm2,sgtpp.wbpdcl. , procurement of different size couplings at ahpmm#2,sgtpp. , coupling assembly(bs to bs),150nb indure coupling assembly(bs to bs),150nb,assembly no:-a-606-22,drawing no:-i-5034-m-ga-061,sheet 1 of 5 , coupling assembly reducing (is-bs),200nb indure coupling assembly(is to bs),200nb,assembly no:-a-608-21,drawing no:-i-5034-m-ga-061,sheet 2 of 5 , coupling assembly reducing (is-bs),250nb indure coupling assembly(is to bs),250nb,assembly no:- a-601x-22 ( 250nb reducing sleeve coupling assembly consisting of 01no ring(sleeve) + 02 nos flanges (01 no reducing type & 01 no plain type)+ 02 nos of neoprene rubber gaskets+ studs - 5/8 , 08nos (each with 02nos nuts and washers) moc-flange-steel is 2062 gr-b ring/sleeve- 10mm thk steel is 2062 gr-b gasket-neoprene rubber, hardness-50-70 shore(a),ultimate tensile strength-1300psi,temp withstand capacity-130 deg celcius studs-5/8 bsw, ms hot dip galvanised ) , sleeve coupling assy,450 nb ( sleeve length:300mm, with m16 full thread studs and m16nuts and washer. ) , coupling assembly(ms)400nb x 600 mm long for dry ash conveying line assembly a-601x-11 indure , u-clamp gi for 250 nb pipe with 02 nut & washer size: m 16. , u-clamp gi for 200 nb pipe with 02 nut & washer size: m 16.