bids are invited for vfu terminal box lower part sr. no. 1 parker make epdm o-ring of size-177.47 mm id and 2.62 mm cross section pat no-2-167 for vfu-01 to 26 except 08 . , sr. no. 2 parker make epdm o ring of size 158.4id and 2.62 cs part no-2-164 for vfu-01 to 26 except 08 , sr. no. 3 parker make epdm o ring of size-107.6 id x 2.62 mm cross section part no-2-156 for worm gear box of drive mechanism , sr. no. 4 parker make epdm o-ring warm gear box cover 23.61 id x 2.62 mm cross section part no-2-119 for worm wheel of drive mechanism. , sr. no. 5 parker make viton o-ring size-377mm id x 5.33 mm cross section, for lzc helium compressor , sr. no. 6 parker make epdm o ring size 142.24 mm id x 5.33 mm cross section part no-2-358 for sds-2 65 nb ball valve bonnet , sr. no. 7 parker make epdm o-ring of size-221.9 mm id and 2.62 mm cross section. part no 2-174 for vfu-08 , sr. no. 8 parker make epdm o-ring of size-209.2 mm id and 2.62 mm cross section. part no-2-172 for vfu-08 terminal box , sr. no. 9 parker make epdm o ring size 206 mm id x 5.33 mm cross section for shut off rod and control rod thimble joint total quantity : 354