bids are invited for 1 differential pressure gauge 2 3 8 bonded seals 3 expansion valve 4 ii level prv 5 needle valve 6 electrical control panel 7 filter element 8 by pass valve 9 1 2 bonded seals 10 filter element 11 replacement kit for kprv 1 12 0 21 bar pressure gauge 13 0 600 bar pressure gauge 14 replacement kit for check valve block 15 hprv 1 16 check valve block 17 filter element 18 tower o rings 19 filter element 20 replacement kit for pmv 21 desiccant 22 3 4bonded seals 23 change over valve 24 pre & after filter housing o ring 25 0 70 bar pressure gauge 26 pneumatic valve block 220 vac 27 pressure maintaing valve 28 electronic hp timer drain hps 400 220va 29 1 4 bonded seals total quantity : 721