Tamil Nadu Generation And Distribution Corporation Limited

Tamil Nadu Generation And Distribution Corporation Limited has published Supply Of High Pressure Alloy Steel Gate Globe Valves 2 Items As Per The Technical Specification , Gate Valve Size 4” ( 100Mm ) , 1500 Class, Cas ( Wc-9 ) , Butt Welded End, Ho, Brass Wheel Bush With Bearing ( Tag No: Vdas-122 ) Technical Specification: 1 ) Valve Type : Pressure Seal Bonnet With Back Seat Arrangement, Flexible Wedge Straight “T” Pattern, Top Entry Assembly.2 ) Body / Yoke: Astm A 217 Gr. Wc9, 3 ) Pressure Seal Bonnet : Astm A182 Gr, F22, 4 ) Wedge : Astm A 217 Gr. Wc-9+Stellite Gr 6 ( Min 4Mm ) , 5 ) Seat / Seat Ring: : Astm A 182 Gr.F22 +Stellite Gr 6 ( Min 4Mm ) , 6 ) Stem: 13% Cr. ( Ss410 ) , 7 ) Gland Packing : Graphite 8 ) Hydrostatic Test: For Seat 264 Kg / Cm2, Shell: 396 Kg / Cm2 9 ) Pressure Seal Ring :Graphite ( 125-100-18 ) , 10 ) Operation: Manual, 11 ) Face To Face In Mm :406 ( Min ) , 12 ) Working Temperature:5500C , Globe Valve / 2” ( 50Mm ) / 2500 Class / Fas / Mo / Sw Without Actuators. Technical Specification: 1 ) Type-Fixed Back Seat, Integral Bonnet And Straight Pattern, 2 ) Body – Astm A 182 Grade F22, 3 ) Bonnet – Astm -A182 Grade F22, 4 ) Disc-Ss 410 + Stelliting Gr.6 5 ) Integral Hard Faced Valve Seat – Stelliting Gr 6. 6 ) Stem- 16%Cr.Ss With Nitrate Coating, 7 ) Asbestos / Graphite Gland Packing Ringsize- 55.5 X26.975X13.5 Mm, 8 ) Valve Face To Face- 216 Mm , 9 ) End – Socket Weld, 10 ) Pipe Size-Od 60.3Mm, 11 ) Purpose- Stop Valve, 12 ) Hydro Test For Shell 660 Bar, For Seat – 483 Bar. 13 ) Operating Temp- 5400C, 14 ) Operation- Electrical Operation.. Last date of submission for this tender is 2023-11-15. This is a Rolling Hardware tender in Mettur, Tamil Nadu