tn-mm-1699 supply of valves in mill area of unit#1 to 6 at stps, suratgarh , supply items:- , 88.9 mm gate valve epdm groove 250 psi with hand wheel and flange adaptor class 150 ( ductile iron ) , 114.3 mm gate valve epdm groove 250 psi with hand wheel and flange adaptor class 150 ( ductile iron ) , quarter turn brass body ball valve 50 nb , quarter turn brass body ball valve 25 nb , lift check valve;size:1 / 2” pressure rating:cl 800, end connection:npt ( f ) :moc-body:forged carbon steel, disc:ss304, seat:ptfe , three piece design ball valve;size:2” ( 50mm ) , pressure class: cl 150, end connection: socket weld, bore: regular bore, operation: lever;moc-body:astm a105, end connector: astm a105, ball: aisi 304, stem: aisi 304, gland:aisi 304, seat ring: ptfe, body seal: ptfe, gland packing: ptfe, lever:carbon steel , butterfly designed for bi-directional service to full working pressure • multiple seat and handle options available • size 2.5 pressures up to 232 psi | 1600 kpa | 16 bar