Makhalidwe oyenda a valve yowongolera

Makhalidwe othamanga a valve yolamulira makamaka amaphatikizapo makhalidwe anayi othamanga: mzere wowongoka, peresenti yofanana, kutsegula mwamsanga ndi parabola.
Mukayikidwa mu ndondomeko yeniyeni yolamulira, kupanikizika kosiyana kwa valve kudzasintha ndi kusintha kwa kayendedwe kake.Ndiko kuti, pamene kuthamanga kwa magazi kuli kochepa, kutayika kwa chiwongoladzanja kwa gawo la pipeni kumakhala kochepa, ndipo kusiyana kwa valve kumawonjezeka, ndipo kusiyana kwa valve kumachepetsa pamene kuthamanga kuli kwakukulu.Khalidwe la vavu ili, lomwe ndi losiyana ndi khalidwe lachibadwa, limatchedwa khalidwe loyendetsa bwino.

Vavu yamkati yoyambira mwachangu imapangidwa ndi diski ndipo imagwiritsidwa ntchito makamaka potsegulira / kutseka.

Mawonekedwe owongolera a valavu yowongolera spool pamwamba amatsimikiziridwa ndi mawonekedwe a valavu ndi kuphatikiza kwa mapaipi, mapampu, etc. control chinthu ndi dongosolo.
Chinthu chowongolera Gawo la kutayika kwa valve mu dongosolo Makhalidwe oyenda a valve

Kuwongolera koyenda kapena kuwongolera kwamadzi Pansi pa 40% Maperesenti ofanana
kuwongolera otaya kapena kuwongolera kwamadzimadzi Pamwamba pa 40% Linear
kuwongolera kuthamanga kapena kuwongolera kutentha Pansi pa 50% Maperesenti ofanana
kuwongolera kuthamanga kapena kuwongolera kutentha Pamwamba pa 50% Linear

 
Popeza kuthamanga kwa mapaipi kumawonjezeka molingana ndi malo othamanga, ngati zizindikiro za thupi la valve zikuwonetsa kusintha kosavuta, kusiyana kwa valve kumawonjezeka pamene kuthamanga kuli kochepa, ndipo kuthamanga kumakhala kochepa. chachikulu pamene valavu imatsegulidwa pang'ono.Pamene kuchuluka kwa kuthamanga kuli kwakukulu, kuthamanga kwa kusiyana kwa valve kumachepa.Kuthamanga kwa mpweya sikungafanane mwachindunji ndi kutsegula kwa valve.Pachifukwa ichi, cholinga chopanga chiwerengero chofanana cha chiwerengero ndikuwonjezera makhalidwe a mapaipi ndi mpope kuti azindikire kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kake.

Ntchito ya
dongosolo la mapaipi ndi valavu yowongolera kutaya kwa kuthamanga

akhoza kusankhidwa molingana ndi kuphatikiza kwa galimoto yoyendetsa galimoto ndi thupi la valve.

Kuphatikiza kwa ma drive unit ndi ma valve body ndi ma valve action (chitsanzo cha valavu yokhala ndi mpando umodzi)

Zochita za mavavu zimakhala ndi mitundu itatu: kuchitapo kanthu molunjika, kubweza kumbuyo, ndi machitidwe amtundu wogwirizira.Njira yolunjika yoyendetsa galimoto ya pneumatic monga mtundu wa diaphragm ndi mtundu wa silinda ndi njira yotseka valavu mwa kuwonjezera chizindikiro cha mpweya, chomwe chimatchedwanso "AIR TO CLOSE".Njira yosinthira ndikutsegula valavu powonjezera chizindikiro cha mpweya, chomwe chimatchedwanso "AIR TO OPEN" kapena "AIRLESS TO CLOSE".Zizindikiro zoyendetsedwa ndi magetsi zimatha kusinthidwa kukhala ma siginecha a pneumatic ndi choyikapo.Pamene chizindikiro cha opaleshoni chikusokonezedwa kapena gwero la mpweya likusokonezedwa kapena mphamvu ikutha, chonde ganizirani za chitetezo ndi kulingalira kwa ndondomekoyi ndikusankha kutseka kapena kutsegula valve.

Mwachitsanzo, poyang'anira kuchuluka kwa asidi kudzera mu valavu posakaniza madzi ndi asidi, ndi zotetezeka komanso zomveka kutseka valavu ya asidi pamene chingwe chamagetsi chatsekedwa kapena phokoso la mpweya likutuluka, mpweya umatuluka. kusokonezedwa, kapena mphamvu yatha.Reverse action valve.