GATE VALVE OUT SIED SCREW AND YOKE, RAISING SPINDLE, BOLTED GLAND AND FLANGED END OF SIZE 1 INCH 25 NB, AS PER SPECIFICATION IN ANNEXURE- TS- A, GATE VALVE, OUT SIED SCREW AND YOKE, BOLTED, GLAND AND FLANGED END OF SIZE 2 INCH 50 NB AS PER, SPECIFICATION IN ANNEXURE- TS- B, GATE VALVE OUT SIED, SCREW AND YOKE, BOLTED GLAND AND, FLANGED END OF SIZE 3 INCH 80 NB AS PER SPECIFICATION, IN ANNEXURE- TS- B, GATE VALVE OUT SIED SCREW AND, YOKE, BOLTED GLAND AND FLANGED, END OF SIZE 4 INCH 100 NB AS PER SPECIFICATION IN, ANNEXURE- TS- B, END OF SIZE 6 INCH 150 NB AS PER SPECIFICATION IN, END OF SIZE 8 INCH 200 NB AS PER SPECIFICATION IN