Haum rau excavator loader accessories hydraulic proportional valve RE177539

Tej zaum koj yuav tsis paub ntau txog kev nyab xeeb li qub, tab sis thaum nws los txog rau overload (overflow) li qub, roj chaw nres nkoj hla li qub lossis phom thib ob, koj yuav muaj kev xav. Qee qhov teeb meem tshwm sim ntawm excavators yog tshwm sim los ntawm qhov tsis ua hauj lwm ntawm kev ruaj ntseg li qub, xws li qeeb ceev, tsis muaj zog, cov yeeb nkab tawg lossis hydraulic yeeb nkab tawg, lub tog raj kheej qib khoov thiab lwm yam. Tsis muaj dab tsi hais, cov kwv tij khawb hauv qab no yuav muab cov ncauj lus qhia ntxaws ntxaws txog kev daws teeb meem ntawm kev nyab xeeb valve thiab nws tsis ua haujlwm, Kuv ntseeg tias koj yuav tau sau tag nrho.
Lub valve nyem yog mounted ntawm lub ntsiab tswj valve (distributor) nyob rau sab ntawm lub operating qia. Nyob rau hauv tsos, lub nyem valve yog cylindrical thiab zoo ib yam li lub ntsiab nyem valve. Qhov txawv yog qhov hloov kho xov rau saum. Kev nyab xeeb valve muaj ib txoj xov thiab lub ntsiab nyem valve muaj ob txoj xov. Nyob rau ntawm lub siab setpoint, lub siab setpoint ntawm kev ruaj ntseg valve yog siab tshaj lub siab setpoint ntawm lub ntsiab nyem valve.
Raws li ib txwm muaj, qhov kev nyab xeeb valve tsis koom nrog hauv kev ua haujlwm, yog li kev ntsuas siab ntawm lub valve kev nyab xeeb yog tshwj xeeb thiab tsis tuaj yeem ntsuas ncaj qha nrog lub ntsuas. Lub siab ntawm lub ntsiab nyem valve yuav tsum tau nce ntxiv ua ntej thiab tuaj yeem ntsuas tsuas yog tom qab nws siab dua li tus nqi siab ntawm qhov kev nyab xeeb valve.