Kuaj li qub,tseem hu ua non-return li qub lossis ib-txoj kev li qub, yog cov khoom tseem ceeb hauv ntau yam kev lag luam thiab kev siv vim lawv qhov zoo heev. Nov yog qee qhov txiaj ntsig tseem ceeb ntawm cov tshev valve:
Tiv thaiv Backflow: Lub luag haujlwm tseem ceeb ntawm daim tshev valve yog los tiv thaiv kev thim rov qab ntawm cov kua lossis roj. Nws xyuas kom meej tias qhov ntws txav mus rau hauv ib qho kev taw qhia nkaus xwb, uas yog qhov tseem ceeb hauv ntau lub tshuab kom tiv thaiv kev sib kis, kev puas tsuaj, lossis kev ua tsis tau zoo.
Yooj Yim Tsim: Kos li qub yog qhov yooj yim hauv kev tsim, muaj lub cev lub cev thiab lub cev txav tau los yog nrov plig plawg. Qhov kev simplicity no ua rau lawv yooj yim rau nruab thiab tswj, txo tag nrho cov system complexity.
Kev kho qis: Vim tias lawv cov qauv tsim tsis yooj yim, kos li qub feem ntau xav tau kev saib xyuas tsawg. Lawv tsis tshua yooj yim rau clogging los yog malfunctioning piv rau ntau complex valve hom.
Kev kaw nrawm: Txheeb xyuas cov valve kaw sai sai thaum ntws rov qab, pab tiv thaiv dej rauj, uas tuaj yeem ua rau cov kav dej puas thiab lwm yam hauv lub cev vim muaj kev kub ntxhov siab.
Txo kev siv hluav taws xob: Kos li qub tuaj yeem pab txuag hluav taws xob hauv cov tshuab uas tiv thaiv kev rov qab yog qhov tseem ceeb. Los ntawm kev tiv thaiv kev thim rov qab, lawv txo qhov kev xav tau ntxiv cov twj tso kua mis lossis lub siab kom tswj tau qhov xav tau txaus.
Ntau yam: Kos li qub tuaj yeem tsim ntau yam, suav nrog viav vias, nqa, qaij-disc, thiab pob kos li qub. Qhov kev sib txawv no tso cai rau lawv siv rau ntau yam kev siv, los ntawm tsev neeg cov kav dej mus rau cov txheej txheem kev lag luam.
Durability: Kos li qub feem ntau yog tsim los ntawm cov ntaub ntawv muaj zog xws li stainless hlau, tooj dag, lossis PVC, ua rau lawv tiv taus corrosion thiab hnav. Qhov no durability ua kom lub neej ua haujlwm ntev.
Compact Size: Kos li qub muaj nyob rau hauv qhov ntau thiab tsawg, ua rau lawv haum rau siv nyob rau hauv nruj qhov chaw thiab daim ntaub ntawv nrog tsawg clearance.
Nqi-zoo: Kos li qub feem ntau raug nqi piv rau lwm hom li qub, ua rau lawv muaj kev xaiv zoo nkauj rau cov phiaj xwm nyiaj txiag.
Kev kho ntawm Prime: Hauv cov ntawv thov xws li cov twj tso kua mis, cov ntawv txheeb xyuas pab tswj qhov tseem ceeb (suction) hauv lub twj tso kua mis los ntawm kev tiv thaiv rov qab, kom ntseeg tau tias lub twj tso kua mis ua haujlwm zoo.
Kev nyab xeeb: Kos li qub ua lub luag haujlwm tseem ceeb hauv kev nyab xeeb, xws li tiv thaiv kev thim rov qab ntawm cov tshuaj txaus ntshai lossis roj av, kom ntseeg tau tias lawv ntws tsuas yog nyob rau hauv cov kev taw qhia.
Txo suab nrov: Thaum txhim kho kom raug, kos li qub tuaj yeem pab txo cov suab nrov hauv cov kav dej los ntawm kev tiv thaiv kev thim rov qab sai uas tuaj yeem tsim cov suab nrov.
Hauv cov ntsiab lus, kos li qub muaj ntau qhov zoo, suav nrog kev tiv thaiv rov qab, kev yooj yim, kev saib xyuas tsis tshua muaj zog, txuag hluav taws xob, ntau yam, durability, thiab nqi-zoo. Cov txiaj ntsig no ua rau lawv muaj txiaj ntsig zoo hauv ntau qhov kev lag luam thiab kev siv uas tswj cov kev taw qhia ntawm cov kua dej los yog roj ntws yog qhov tseem ceeb.
