supply of ball valve, size - 3/4 , ball valve, size - 3/4 (inch) suitable for 8 bar pressure for compressed air pipe line. [ warr anty period: 30 months after the date of delivery ] ] , ball valve, size - 1/2 (inch) suitable for 8 bar pressure for compressed air pipe line. [ warr anty period: 30 months after the date of delivery ] ] , ball valve, size - 1 (inch) suitable for 8 bar pressure for compressed air pipe line. [ warra nty period: 30 months after the date of delivery ] ] , quick release coupler (male and female set = 01 no), size - 40 sm, suitable for 8 bar pre ssure for compressed air pipe line. [ warranty period: 30 months after the date of delivery ] ]