1)300nb ansi class-300 cs wedge gate valve flanged end connections with companion flanges and corresponding hardwares as per purchase standard aa7521428. qty: 12 no 2)200nb ansi class-300 cs wedge gate valve flanged end connections with companion flanges and corresponding hardwares as per purchase standard aa7521428. qty: 12 no 3)50 nb ansi class-600 cs wedge gate valve flanged end connections with companion flanges and corresponding hardwares as per purchase standard aa7521448. qty: 12 no 4)15 nb ansi class-800 cs wedge gate valve screwed end connections with bsp thread as per purchase standard aa7521468. qty: 5 no 5)10 nb ansi class-800 cs wedge gate valve screwed end connections with bsp thread as per purchase standard aa7521468. qty: 2 no 6)25 nb ansi class-800 cs piston lift type check valve as per purchase standard aa7531468. qty: 6 no