Cov yam ntxwv ntawm Duckbill Valves

Duckbill li qub yog tsim los ntawm cov roj hmab tag nrho, ua tau raws li ntau yam kev tiv thaiv corrosion. Cov khoom siv roj hmab sib txawv tuaj yeem xaiv raws li qhov xav tau tiag tiag. Lawv yog cov yam ntxwv uas tsis yog-clogging, sealing zoo heev, lub neej ua haujlwm ntev, thiab tus nqi qis qis. Duckbill li qub tsis muaj qhov txav los yog cov khoom siv kho tshuab, tsis tas yuav tsum muaj hluav taws xob teeb liab lossis kev tuav haujlwm. Lawv tsis muaj suab nrov, yuav tsum tsis txhob qhib siab (qhib nrog lub taub hau siab dua 0.01 meters), thiab feem ntau muaj qhov poob qis.

Duckbill li qub tuaj yeem ntsia tau rau hauv ntau txoj hauv kev, yooj yim rau kev teeb tsa. Lawv muab kev zoo corrosion thiab hnav tsis kam, nrog kev pab cuam lub neej ntawm 20-25 xyoo. Lawv yooj yim qhib nrog me me qhib siab sib txawv; Cov kua dej ntau tshaj 1 kg tuaj yeem ntws los ntawm. Vim lub siab elasticity ntawm cov roj hmab, lawv zoo thaiv ntws, tiv thaiv rov qab to. Lawv kuj muaj cov khoom zoo antifreeze, ua rau lawv tsim nyog siv rau hauv cheeb tsam txias.