Industrial piping system-ah chuan .butterfly valve te pawh a awm, check valve te a awm bawk, lehgate valve te a awm bawkfluid flow control nana hman tlanglawn valve an ni. Heng valve te sealing performance hian system safety leh efficiency a nghawng nghal vek a ni. Mahse, hun kal zelah valve sealing surface te chu a chhe thei a, chu chuan leakage emaw valve failure emaw a thlen thei a ni. He thuziak hian butterfly valve, check valve, leh gate valve-a sealing surface chhiatna thlen chhan a zirchiang a ni.
I. A chhiatna thlentubutterfly valve a nisealing surface a ni
A chhiatna chu a sealing surface a nibutterfly valve a nia chhan ber chu a hnuaia thilte vang a ni:
1. 1. A rilru a hah lutuk chuan a rilru a buai em em a.Media atanga lo chhuak a ni: Butterfly valve te pawh a awmtih hi corrosive media luang chhuak control nan an hmang fo thin. Hun rei tak chhunga inzawmna chuan sealing material chu a tichhe thei a, chu chuan sealing performance a tichhe thei a ni.
2. 2. A rilru a hah lutuk chuan a rilru a buai em em a.Mechanical hmanga tihchhiat a ni: A hawn leh khar fo a nih chuan, sealing surface leh valve body inkara friction awm chubutterfly valve a nia ti chhe dawn a, a bik takin valve khar kim loh chuan wear phenomenon a langsar zawk.
3. A rilru a hah lutuk chuan a rilru a buai em em a.Temperature inthlak danglamna: Butterfly valve hian temperature sang emaw hniam emaw a hnathawh chuan thermal expansion emaw contraction emaw avanga sealing material chu a deform thei a, chu chuan seal a tichhia thei a ni.
II. A chhiatna thlentu techeck valve a nisealing surface a ni
A chhiatna chu a sealing surface a nicheck valve a nichu fluid flow characteristic leh valve hnathawh dan nen a inzawm ber a ni:
1. 1. A rilru a hah lutuk chuan a rilru a buai em em a.Fluid a nghawng dan: Fluid chu reverse direction-a a luang chuan check valve chu impact force-in a nghawng thei a, sealing surface a tichhia thei.
2. 2. A rilru a hah lutuk chuan a rilru a buai em em a.Deposit khawlkhawm a ni: Operating condition thenkhatah chuan fluid chhunga solid particle te chu check valve sealing surface ah a awm thei a, chu chuan wear leh scoring a thlen thei.
3. A rilru a hah lutuk chuan a rilru a buai em em a.Installation dik lo: Check valve installation angle leh position dik lo chuan a hnathawh laiin valve-ah pressure a inang lo thei a, chu chuan sealing performance a nghawng thei a ni.
III.A chhiatna thlentu tegate valve a nisealing surface a ni
Gate valve sealing surface chhiatna hi valve design leh hman dan nen a inzawm tlangpui a:
1. 1. A rilru a hah lutuk chuan a rilru a buai em em a.Hun rei tak chhunga static load awm thei: A hun lai chuangate valve a nihun rei tak static state-ah a awm a, pressure vangin sealing surface chu a deform thei a, chu chuan seal a tichhe thei a ni.
2. 2. A rilru a hah lutuk chuan a rilru a buai em em a.Operation neih fo thin: Gate valve hawn leh khar fo hian sealing surface leh valve seat inkarah friction a tipung ang a, a chhe thei ang.
3. A rilru a hah lutuk chuan a rilru a buai em em a.Material thlan dan dik lo: Gate valve-a sealing material chu medium control tur atan a tha lo a nih chuan a tar hma lutuk emaw, sealing surface a tichhia thei emaw a ni.
IV. Khaihtawi
Sealing surface chhiatna onbutterfly valve te pawh a awm, check valve te a awm bawk, lehgate valve te a awm bawktih hi thil buaithlak tak a ni a, thil chi hrang hrangin a nghawng a ni. Valve dam rei zawk nan chuan a thaedvalve thlan hunah media characteristics, operating environment, leh valve operating frequency te ngaihtuah kim vek turin. Tin, sealing surface chhiatna hriatchhuah leh hmachhawn nghal turin valve enfiah leh enkawl fo a tha a, piping system him leh tha taka kalpui a nih theih nan. Sealing surface chhiatna thlen chhan ngun taka zirchian chuan valve design, thlan dan leh enkawl dan chungchangah hriatna hlu tak a pe thei a ni.
Post hun chhung: Aug-11-2025
