supply of hydrant control valve 50 mm .hydrant control valve 50 mm .,hydrant control valve 50 mm (ball valve type) with detachable handle as pe r specification : (1) body, bonnet & ball-(forged brass material) is-6912 gr. flb. (2) body se at ring, thrust washer & gland packing ring- (ptfe material)-bs:en 12086-1. (3) stem & gla nd- (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 o ne page. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]