Valve kharnak thilri hna i a bik in thleidannak le riantuannak dirhmun

Valve kharnak cu valve dihlak ah a biapi tukmi a si, a biapi bikmi cu a luannak khamnak caah a si,valvesealing seat cu sealing ring tiah auhmi zong a si, cu cu pipeline chung i a ummi thilri he direct in aa pehtlaimi bu pakhat a si i a luangmi thilri kha a kham. Valve hman a si tikah, pipeline chungah thilri phunphun an um, cu hna cu ti, gas, chiti, a rawk khomi thilri, tbk., cun valve phunphun i an kharnak hna cu hmun dangdang ah hman an si i thilri phunphun ah an i remh khawh.

TWSValvevalve seal thilri pawl cu phun hnih ah ṭhen khawh an si, cu hna cu thir thilri le thir a si lomi thilri an si ti kha a kan theihter ṭhan. Thir a si lomi kharnak hna cu a tlangpi in pipeline ah a ttha mi lumnak le hneknak ah hman an si, cun thir kharnak hna cu hmannak phunphun an ngei i lumnak sang ah hman khawh an si. a sangmi hneknak.

1. Synthetic rubber

Synthetic rubber cu natural rubber nakin chiti doh khawhnak, lum le lum lo doh khawhnak le rawhnak doh khawhnak ah a tha deuh. A tlangpi in, sermi rubber riantuannak lumnak cu t a si≤150°C, thilnung rubber cu t≤60°C, le rubber cu globe valve, gate valve, diaphragm valve, butterfly valve, check valve, pinch valve le nominal pressure PN a ngeimi valve dang hna kha kharnak caah hman a si≤1MPa.

2. Nylon

Nylon cu a tlawmmi hnahnawhnak coefficient le rawhnak doh khawhnak ttha a ngeimi sining a ngei. Nylon cu a tlangpi in ball valve le globe valve caah hman a si≤90°C le nominal pressure PN≤32MPa.

3. Polytetrafluoroethylene

PTFE cu a tlangpi in globe valve, gate valve, ball valve, tbk caah hman a si.≤232°C le a min in hneknak PN≤6.4MPa.

4. Thir

Cast iron cu gate valve, globe valve, plug valve, tbk. caah hman a si≤100°C, min in hneknak PN≤1.6MPa, gas le chiti.

5. Babbitt cawhmi

Babbitt alloy cu t-70~150 lumnak he ammonia globe valve caah hman a si°Cle min in hneknak PN≤2.5MPa.

6. Dar cawhmi

Dar cawhmi caah hman tawnmi thilri hna cu 6-6-3 tin dar le 58-2-2 manganese dar an si. Copper alloy cu a rawkral khawhnak a ttha i ti le lumternak caah aa tlak≤200°Cle min in hneknak PN≤1.6MPa. Gate valve, globe valve, check valve, plug valve tbk ah hman a si tawn.

7. Chrome thir thir

A tlangpi in hmanmi chromium stainless thir phun cu 2Cr13 le 3Cr13 an si, cu hna cu an hmit cang i an lumter cang, cun rawkralnak a doh khomi an si. Ti, meihol le petroleum lumternak t he aa pehtlaimi valve ah hman a si tawn≤450°Cle min in hneknak PN≤32MPa.

8. Chrome-nickel-titanium stainless steel

Chromium-nickel-titanium stainless steel ah a tlangpi in hmanmi phun cu 1Cr18Ni9ti a si, cucu rawkralnak a doh khawhnak, a rawhnak a doh khawhnak le lumnak a doh khawhnak a ttha. A lumnak t he steam le a dang media caah aa tlak≤600°C le a min in hneknak PN≤6.4MPa, cun globe valve, ball valve, tbk caah hman a si.

9. Nitriding thir

Nitriding thir ah a tlangpi in hmanmi phun cu 38CrMoAlA a si, cu cu carburizing thlopnak hnu ah rawkralnak a doh khawhnak le a rawhnak a doh khawhnak a ttha. A lum le lum lo t he power station gate valve ah hman a si tawn≤540°Cle min in hneknak PN≤10MPa.

10. Boronizing

Boronizing nih valve pum asiloah disc pum thilri chungin kharnak cunglei kha direct in a thlen, cun boronizing cunglei thlopnak a tuah. A kharnak cunglei cu a ttha ngaimi hruk khawhnak a ngei. Mei thazaang chuahnak valve caah.

Valve hman a si tikah, zohkhenh dingmi thil hna cu a tanglei bantuk in an si:

1. Valve a khar khawhnak kha a riantuan ning hngalh khawhnak ding caah hneksaknak tuah a hau.

2. Valve kharnak cunglei cu a rawk cang maw ti kha zoh, cun thil sining ning in remh asiloah thlen.