Qhov ncaj pneumatic thiab lub valve diaphragm ua ke ntawm qhov hlua tshawg dua yog pov tseg los ntawm huab ceev thiab tshav sov lossis txuas nrog cov lus saum npoo ntawm lub diaphragm zoo li. Qhov chaw ntsuas ntau yam no muaj peev xwm txuag thiab kho yoo ib yam, thiab qhov tsos mob ntawm qhov hlua tshawg dua tuaj yeem ua rau qhov hla hloov mus los yog sau ua ke. Tsis muaj qhov chaw u tug, tsis muaj kev puas tsuaj, xya tshaj rau kev hloov pauv thiab kev saib xyuas dej ntog hauv cov tub lag luam siv tshuaj thiab dej khoom hnyav xws li biomedical thiab kev lag luam khoom noj.