Tenders for Supply of Hydrant Control Valve 50 Mm Ball Valve Type With Detachable Handle As Per Specification : 1 Body, Bonnet & Ball-Forged Brass Material Is-6912 Gr. Flb. 2 Body Seat Ring, Thrust Washer & Gland Packing Ring- Ptfe Material-Bs:En 12086-1. 3 Stem & Gland- Brass Material - Is 6912 Gr. Flb. 4 Lever With Pvc Sleeve- Corbon Steel Material - Is 2062 5 Adopter For Stem - Sg Iron Material- Is:Astm A 536 As Per Drawing Attached In One Page. Warranty Period: 30 Months After The Date Of Delivery