Gem Bids For 25 Nb Flanged Flange Rating 0.6 N Per Sq.mm Of Is6392 Carbon Steel 150 Rating Gate Valve As Per Annexure - A To Pi - 141150088 And Bhel Qap Cde-23- 3602 Rev.00. , 15 Nb Socket Welded Carbon Steel 150 Rating Gate Valve As Per Annexure - B To Pi - 141150088 And Bhel Qap Cde-23-3602 Rev.00. , 25 Nb Socket Welded Carbon Steel 150 Rating Gate Valve As Per Annexure - B To Pi - 141150088 And Bhel Qap Cde-23-3602 Rev.00. , 50 Nb Flanged Flange Rating 0.6 N Per Sq.mm Of Is - 6392 Stainless Steel 150 Rating Gate Valve As Per Annexure - C To Pi 141150088 And Bhel Qap Cde-23-3602 Rev.00 , 15 Nb Socket Welded Stainless Steel 150 Rating Gate Valve As Per Annexure - D To Pi 141150088 And Bhel Qap Cde-23- 3602 Rev.00. , 25 Nb Socket Welded Stainless Steel 150 Rating Gate Valve As Per Annexure - D To Pi 141150088 And Bhel Qap Cde-23-3602 Rev.00 , 50 Nb Socket Welded Stainless Steel 150 Rating Gate Valve As Per Annexure - D To Pi 141150088 And Bhel Qap Cde-23-3602 Rev.00