supply of heavy duty air cylinder 2a series , heavy duty air cylinder 2a series, style bb cap fixed clevis mount, cushion both ends, cylinder size 4 dia bore, 12 stroke, 1-3/8 dia piston rod, style 4 rod end kk =1-14 tpi, with 2 sets of seal kits for each cylinder. seals used viton material. make: i sland hydraulics /protel engineering /numatics / parker/dowin hydraulics/bhavana flui d power. conditions:- 1) seal shall be made of viton material. 2) piston seals, gland seal s and gland cartridge shall be of parker make and documentary evidence for the purc hase of the same from oem / authorised dealer of parker shall be furnished along with the supply. ]