help conveyors and pumps arent working

im trying to automate fuel production and im trying to output hydrogen to 2 different places, light fuel and hydrogen sulfide to different places agian.so i put on the pumps and conveyors all set to extract but nothing extracts and i have no idea why. can someone please explain😭

Edit: i switched to extra utilities pipes theyre very simple. well... but expensive. Thanks a lot for the help!!