1. Thaum txhim kho lub check valve, xyuam xim rau txoj hauj lwm thiab qhov siab, nrog rau qhov nkag thiab qhov hluav taws xob. Nws yuav tsum tau teem kom zoo nyob rau hauv txhua qhov chaw, thiab cov kev taw qhia ntawm cov dej ntws yuav tsum tau them sai sai rau, thiaj li ua raws li tus xub. tib txoj kev. Tsis tas li ntawd, thaum txuas, nws yuav tsum tau txuas ruaj khov nyob rau hauv txhua qhov chaw kom tsis txhob muaj dej ntws tawm.
2. Ua ntej txhim kho lub valve, xyuas lub valve tag nrho kom pom tias muaj teeb meem dab tsi, thiab ua qhov ntsuas lub zog. Feem ntau hais lus, lub siab yuav tsum tsis pub tsawg dua 1.5 npaug, thiaj li ua kom lub valve tuaj yeem ua haujlwm tau zoo.
3. Yog hais tias nws yog nyob rau hauv lub teeb, nws tsis pom zoo kom siv qhov no raws li ib tug load-bearing khoom, vim hais tias nws load-bearing kuj txwv. Yog tias nws tshaj qhov load-bearing ntau yam, nws yuav ua rau muaj kev puas tsuaj rau nws, thiab nws tseem yuav cuam tshuam rau kev siv. ntawm.
4. Yog hais tias lub kaw valve yog ntawm hom lifting, xyuam xim rau qhov teeb meem kab rov tav. Nws yuav tsum tau muab ntsia saum lub kav dej. Yog tias nws yog lub valve ntsug, nws yuav tsum tau khaws cia ntsug.