A rilru a buai em em a, a rilru a hah em em bawk a
Concentric butterfly valve-a disc leh valve seat inkara extrusion problem chinfel nan single eccentric butterfly valve siam a ni. Butterfly plate leh valve seat tawp chung leh hnuai lam atanga extrusion tam lutuk chu theh darh la, tihtlem rawh. Mahse, single eccentric structure avang hian disc leh valve seat inkar scraping phenomenon chu valve hawn leh khar zawng zawngah a bo lo va, application range pawh concentric butterfly valve nen a inang a, chuvangin hman tam a ni lo.
Double eccentric butterfly valve a awm bawk
Single eccentric butterfly valve atanga chhut chuan, a ni a double eccentric butterfly valve chu a ni chu chu tun dinhmunah hman lar tak a ni. A structural feature chu valve stem shaft center chu disc lairil leh body lairil atanga inthlak danglam a ni. Double eccentricity effect hian valve hawn hnuah valve seat atanga disc chu a inthen nghal thei a, hei hian disc leh valve seat inkara a tul lo taka extrusion leh scratching tam lutuk chu nasa takin a ti bo a, opening resistance a ti tlem a, wear a ti tlem a, Seat dam chhung a ti tha bawk. Scraping pawh nasa takin a tlahniam a, chutih rual chuan, .a double eccentric butterfly valve chu a ni metal valve seat pawh a hmang thei a, hei hian temperature sang tak field-a butterfly valve hman dan a ti tha hle. Mahse, a sealing principle chu positional sealing structure a nih avangin, chu chu disc leh valve seat sealing surface chu line contact-ah a awm a, valve seat-a disc extrusion avanga elastic deformation chuan sealing effect a siam a, chuvangin closing position (a bik takin metal Valve seat) atan mamawh sang tak a nei a, low pressure bearing capacity a nei a, chuvang chuan traditional takin miten butterfly valve te hi an do thei lo niin an ngai a ni pressure sang tak leh leakage lian tak nei.
A rilru a buai em em a, a rilru a hah em em bawk a
Temperature sang tak tuar tur chuan hard seal hman a ngai a, mahse a leakage tam lutuk chu a tam hle a; to zero leakage, soft seal hman a ngai a, mahse temperature sang takah chuan a do thei lo. Double eccentric butterfly valve inhnialna hneh theih nan butterfly valve chu a vawi thumna atan eccentric a ni ta a ni. A structural feature chu double eccentric valve stem chu eccentric a nih laiin, disc sealing surface-a conical axis chu body cylinder axis-ah a inclined a, chu chu eccentricity pathumna hnuah disc sealing section chu a danglam lo tihna a ni. Tichuan circle dik tak a ni a, mahse ellipse a ni a, a sealing surface pianzia pawh asymmetrical a ni a, a sir khat chu taksa lairil line-ah a innghat a, a sir dang chu taksa lairil line nen a inmil bawk. He eccentricity pathumna ziarang chu sealing structure chu a bulpui berah a danglam tawh a, position seal a ni tawh lo va, torsion seal a ni tawh a, chu chu valve seat-a elastic deformation-ah a innghat lo va, sealing effect neih theih nan valve seat-a contact surface pressure-ah a innghat vek a ni , Chuvangin, metal valve seat-a zero leakage buaina chu fell fell pakhatah chinfel a ni a, tin, contact surface pressure chu medium pressure nen a inzat avangin pressure sang leh temperature sang resistance pawh awlsam takin a chinfel theih bawk.
Post hun chhung: Jul-13-2022
