33979875
procurement of 200nb dome valve complete assembly and topplate for 200nb dome valve for dry fly ash handling system of unit 3 and 4 , valve, dome, size:200 nb, additional information:p. n. dv 419 02r0 for dry flyash handling system ( 200nb dome valve complete assembly consisting of ordinary dome, top plate, air limit switch, quick exhaust vlves, selicon rubber seal and air cylender ) . technical specifications: 200 nb dome valve with accessories: 1.operation : pneumatic 2.type and connection:flanged 3.valve working pressure:restricted to 6 kg / cm2 ( g ) 4.available instrument air pressure:6 kg / cm2 ( g ) 5.spare parts:should be easily replaceable 6.pneumatic cylinder make:rotex or equivalent 7.pneumatic limit switch: rotex or equivalent 8.5 / 2 solenoid valve for each valve: 1 no ( 110 vac , 50 hz ) 9.3 / 2 solenoid valve for each valve: 1no ( 110 vac, 50 hz ) 10. pressure switch for each valve: 1 no 11.hardness: 150 250 bhn or more 12. material of construction a. body , top plate, spigot, insert ring: ci or equivalent b. drive and driven shaft : ss or equivalent c. dome:graded cast iron or equivalent d. inflatable seals:silicon e. shaft seals : viton or equivalent f. v ring seals :neoprene or equivalent g. top plate to body gasket : neoprene or equivalent, top plate for 200 nb dome valve, part no.mb7511d.material:en 8, hard ness:300 350 bhn, pressure:7 bar, temperature:350 degree c ( as per sample ) ....
Due Date : November 03, 2022
Tender Value : ₹ Ref. Documents