Injongo yokusebenzisa i-valve yokutshekisha kukuthintela ukubuyela ngasemva kwendawo ephakathi. Ngokuqhelekileyo, i-valve yokutshekisha kufuneka ifakwe kwindawo yokuphuma yempompo. Ukwengeza,ivalve yokukhangela kufuneka kwakhona ifakwe kwindawo yokuphuma yecompressor. Ngamafutshane, ukuze kuthintelwe ukubuya kwe-medium, i-valve yokukhangela kufuneka ifakwe kwisixhobo, isixhobo okanye umbhobho. Ngokuqhelekileyo, i-valve yokukhangela i-vertical lift isetyenziswe kumbhobho onqamlekileyo kunye nobubanzi obuyi-50mm. Iivalvu zokukhangela zokuphakamisa ngokuthe tye zingafakelwa kuzo zombini iipayipi ezithe tye kunye nezithe nkqo. Ivalve esezantsi ifakelwa kuphela kumbhobho othe nkqo kwindawo yokungena yempompo, kwaye ophakathi uhamba ukusuka ezantsi ukuya phezulu. I-valve yokukhangela i-swing ingenziwa ibe yingcinezelo ephezulu kakhulu yokusebenza, i-PN inokufikelela kwi-42MPa, kwaye i-DN nayo ingaba enkulu kakhulu, ukuya kwi-2000mm okanye ngaphezulu. Ngokuxhomekeke kwizinto eziphathekayo zegobolondo kunye nesitywina, ingasetyenziselwa nayiphi na indlela yokusebenza kunye naluphi na ubushushu obusebenzayo. I-medium ngamanzi, umphunga, igesi, i-corrosive medium, i-oyile, ukutya, amayeza, njl njl. Indawo yokufakela ivalve yokujonga i-swing ayithintelwanga. Ngokuqhelekileyo ifakwe kumbhobho othe tye, kodwa unokufakwa kumbhobho othe nkqo okanye umbhobho othambekileyo.

Izihlandlo ezisebenzayo zeivelufa yokujonga ibhabhathanezinoxinzelelo oluphantsi kunye nobubanzi obukhulu, kwaye amaxesha ofakelo anqongophele. Ngenxa yokuba uxinzelelo olusebenzayo lwe-valve yokukhangela i-butterfly alukwazi ukuba luphezulu kakhulu, kodwa i-diameter ye-nominal ingaba nkulu kakhulu, enokufikelela ngaphezu kwe-2000mm, kodwa uxinzelelo oluncinci lungaphantsi kwe-6.4MPa. Ivalve yokukhangela ibhabhathane inokwenziwa ibe luhlobo olubambekayo, oluthi lufakwe ngokubanzi phakathi kweeflange ezimbini zombhobho, kusetyenziswa ifom yoqhagamshelo lwe-clamp.Indawo yofakelo yevalve yokukhangela ibhabhathane ayithintelwa. Inokufakwa kumbhobho othe tye, okanye kumbhobho othe nkqo okanye umbhobho othambekileyo.
Ivalve yokujonga i-diaphragm ifanelekile kwimibhobho eqhelene nehamile yamanzi. I-diaphragm inokuphelisa kakuhle isando samanzi esibangelwa ukubuya kwe-medium. Ngenxa yokuba iqondo lokushisa elisebenzayo kunye noxinzelelo lokusebenzisa ivalve yokujonga i-diaphragm ilinganiselwe yimpahla ye-diaphragm, isetyenziswa ngokubanzi kuxinzelelo oluphantsi kunye nemibhobho yobushushu obuqhelekileyo, ilungele ngakumbi imibhobho yamanzi etephu. Ubushushu obuphakathi bokusebenza buphakathi -20 ~ 120 ℃, kunye noxinzelelo olusebenzayo <1.6MPa, kodwa i-valve yokujonga i-diaphragm ingenziwa ngobukhulu obukhulu, kwaye i-DN ephezulu inokufikelela ngaphezu kwe-2000mm.Ii-valve ze-diaphragm zokujonga zinokumelana nokuxhathisa kwesando samanzi, isakhiwo esilula kunye neendleko zokuvelisa eziphantsi, ngoko zisetyenziswe ngokubanzi kwiminyaka yamuva.
Ukusukela itywina leIvalve yokukhangela ibhola yingqukuva eqatywe ngerabha, inokusebenza kakuhle kokutywinwa, ukusebenza okuthembekileyo kunye nokuchasana kakuhle kwehamile yamanzi; kwaye ekubeni itywina inokuba yibhola enye okanye iibhola ezininzi, inokwenziwa ibe yi-diameter enkulu. Nangona kunjalo, itywina layo liyi-hollow sphere eqatywe ngerabha, engafanelekanga kwimibhobho yoxinzelelo oluphezulu, kodwa kuphela kwimibhobho ephakathi kunye nephantsi. Ekubeni izinto zegobolondo zevalve yokukhangela ibhola zingenziwa ngentsimbi engenanto, kwaye i-hollow sphere yetywina inokugqunywa nge-polytetrafluoroethylene iiplastiki zobunjineli kwimibhobho yobugcisa ngokubanzi kunye ne-media ye-media. Ukushisa okusebenzayo kolu hlobo lwe-valve yokutshekisha phakathi kwe--101 ~ 150 ℃, uxinzelelo oluncinci ngu-≤4.0MPa, kunye noluhlu lwe-diameter ye-nominal luphakathi kwe-200 ~ 1200mm.