Kev paub

Valve positioner yog ib qho khoom siv tseem ceeb hauv pneumatic valve los tswj kev ntws. Nws feem ntau yog siv nrog pneumatic actuator los tswj qhov q

Txhawm rau kom paub meej txog kev ua haujlwm ntawm tus tswj hwm kom meej meej, nws yog qhov yuav tsum tau ua kom paub meej cov lus nug: Cov xwm txheej

Yog li ntawd, thaum xaiv ib tug npauj npaim valve, tag nrho cov kev txiav txim siab yuav tsum tau muab rau lub zog poob ntawm cov kav dej.

Txij li thaum xyoo pua 21st, Tuam Tshoj txoj kev lag luam ntau yam thev naus laus zis tau txhim kho zoo heev. Tau kawg, kev txhim kho ntawm cov thev n

Rau ib qho tseem ceeb, thaum nruab nrab yog hom ntws-qhib, lub valve muaj kev ruaj ntseg zoo; Thaum qhov nruab nrab yog hom ntws-kaw, lub valve muaj k

Kev txhim kho thiab kev tsim kho yuav tsum tau ceev faj, thiab tsis txhob tsoo lub valve ua los ntawm cov khoom siv nkig.

Kev ua haujlwm ntawm qhov ntse valve hluav taws xob actuator yuav cuam tshuam ncaj qha rau kev ua haujlwm zoo ntawm tag nrho cov kev tswj hwm.

Thaum cov cua compressed nkag mus rau hauv pneumatic actuator los ntawm A nozzle, cov pa roj thawb lub pistons dual kom txav mus los ntawm ob qhov kaw

Lub pneumatic ib leeg-ua yeeb yam actuator siv lub siab ntawm huab cua los thawb cov khoom sab hauv, kom nws tuaj yeem thawb lub valve.