supply of hydrant control valve 50 mmhydrant control valve 50 mm,hydrant control valve 50 mm (ball valve type) with detachable handle as p er 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- (carbon steel material ) - is 2062 (5) adopter for stem - (sg iron material)- is: astm a 536 as per drawing attache d in one page. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]