supply materials , detachable joints to ac pipes including supply of rubber gasket, nuts, bolts etc. of best quality to make the joint water tight at required hydraulic pressure all complete as per specification and direction o the engineer-in- charge.diameter in mma) 80 mm dia , b) 100 mm dia , c) 150 mm dia , cast iron double flanged rising spindle sluice valve generally confirming to is14846 having body door /dome/bonnet and cover of cast irongr fg 260,outside screen rising spindle of is 6603 gr-12 cr-13,spindle nut & seat rings are gunmetal as per is:318 ltb2. flanges flat faced and drilled to is:1538 part iv & vi,valves are suitable for maximum working pressurre of 10/16 kg/sqcm(seat test) and body testede to 15/24kg/sqcm 350 nb and above valves should be provided with enclosed gear box and antifriction device for ease of operation.all the valves should be tested by closed end method only.p.n.-1.6 rating. a) 80 mm dia , b) 100 mm dia , c) 125 mm dia , d) 150 mm dia , e) 200mm dia , f) 250 mm dia , g) 300 mm dia , h) 350 mm dia , cast iron kinetic double orifice type air release valve having small orifice elastic ball resting on gun metal orifice nipple large orifice vulcanite ball seating on moduled seat ring, valve with built-in-kinetic features, isolating sluice valve mounted in horizontal position and operated by a metre wheel gearing:inlet faced and drilled to is 1538 table 4 & 6. valve suitable for maximum working pressure of 10 kg/cm2 a) 80 mm dia , b) 100 mm dia , c) 150 mm dia , supply of pig lead 99.999% purity , cast iron double flanged single door swing non-return valve generally conforming to is 14846 having body, door cover in graded cast iron to is 210 gr. fg 200, body and door rings and bearing block of leaded tin bronze to i.s 318 gr. ltb 2, hinge pin of st aisi410 valves suitable for maximum working pressure of 10 kg/cm² and body tested 15 kg/cm². a) 80 mm dia , b) 100 mm dia , c) 150 mm dia , gst