Kala soocida ugu weyn iyo shuruudaha adeega ee alaabta xidhida waalka

Xiritaanka Valve waa qayb muhiim ah oo ka mid ah waalka oo dhan, ujeedadiisa ugu weyn waa in laga hortago daadinta,waalkaKursiga daboolka waxaa sidoo kale loo yaqaannaa giraanta shaabadeynta, waa urur si toos ah ula xiriira dhexdhexaadiyaha dhuumaha oo ka ilaaliya dhexdhexaadinta inuu socdo. Marka waalka la isticmaalo, waxaa jira warbaahin kala duwan oo ku jirta dhuumaha, sida dareeraha, gaaska, saliidda, warbaahinta daxaleysiga, iwm, iyo shaabadihii valves kala duwan ayaa loo isticmaalaa meelo kala duwan waxayna la qabsan karaan meelo kala duwan.

TWSValvewaxa ay ku xasuusinaysaa in alaabta shaabadood ee waalka loo kala qaybin karo laba qaybood, kuwaas oo kala ah biraha iyo kuwa aan birta ahayn. Xirmooyinka aan biraha ahayn ayaa guud ahaan loo adeegsadaa dhuumaha heerkulka caadiga ah iyo cadaadiska, halka shaabada birta ay leeyihiin codsiyo ballaaran oo kala duwan waxaana loo isticmaali karaa heerkul sare. cadaadis sare.

1. caag dardaro ah

Caag synthetic ayaa ka fiican caagga dabiiciga ah marka loo eego caabbinta saliidda, caabbinta heerkulka iyo caabbinta daxalka. Guud ahaan, heerkulka hawlgalka ee caag synthetic waa t≤150°C, caag dabiici ah waa t≤60°C, iyo caag waxa loo isticmaalaa in lagu xidho valves globe, valves gate, valves diaphragm, balanbaalis valves, jeegaga valves, qanjaruufo valves iyo valves kale oo leh cadaadiska magaca PN≤1MPa

2. Nayloon

Naylon waxay leedahay sifooyin isku-dhafan yar oo iskuxiran iyo iska caabin daxalka wanaagsan. Naylon waxaa inta badan loo isticmaalaa valves ball iyo globe valves leh heerkulka t≤90°C iyo cadaadiska magaca PN≤32MPa

3. Polytetrafluoroethylene

PTFE waxaa inta badan loo isticmaalaa globe valves, albaabbada albaabka, valves balls, iwm oo leh heerkul t≤232°C iyo cadaadiska magaca PN≤6.4MPa

4. birta tuur

Birta birta ah waxaa loo isticmaalaa alfafyada albaabka, valves-ka globe, valves-ka, iwm. heerkulka t≤100°C, cadaadiska magaca PN≤1.6MPa, gaas iyo saliid.

5. Babbitt alloy

Daawaha Babbitt waxaa loo isticmaalaa ammonia globe valve leh heerkulka t-70 ~ 150℃iyo cadaadiska magaca PN≤2.5MPa

6. Copper alloy

Alaabta naxaasta ah ee sida caadiga ah loo isticmaalo waa 6-6-3 tin bronze iyo 58-2-2 manganese brass. Daawaha naxaasta ah waxay leedahay iska caabin wanaagsan oo xirashada waxayna ku habboon tahay biyaha iyo uumiga leh heerkulka t≤200℃iyo cadaadiska magaca PN≤1.6MPa Waxaa inta badan loo isticmaalaa alwaaxyada iridda, globe valves, valves checks, valve valves, iwm.

7. Chrome birta aan lahayn

Darajooyinka sida caadiga ah loo isticmaalo ee chromium ahama waa 2Cr13 iyo 3Cr13, kuwaas oo la demiyay oo dabcay, oo leh iska caabin daxalka wanaagsan. Inta badan waxaa loo adeegsadaa weelasha biyaha, uumiga iyo batroolka leh heerkulka t≤450℃iyo cadaadiska magaca PN≤32MPa

8. Chrome-nickel-titanium bir aan lahayn

Heerka caadiga ah ee la isticmaalo ee chromium-nickel-titanium ahama waa 1Cr18Ni9ti, kaas oo leh caabbinta daxalka wanaagsan, caabbinta nabaad guurka iyo caabbinta kulaylka. Waxay ku habboon tahay uumiga iyo warbaahinta kale ee leh heerkulka t≤600°C iyo cadaadiska magaca PN≤6.4MPa, waxaana loo isticmaalaa globe valves, valves balls, iwm.

9. Nitriding steel

Heerka sida caadiga ah loo isticmaalo ee birta nitriding waa 38CrMoAlA, kaas oo leh iska caabin daxalka wanaagsan iyo iska caabbinta xoqida ka dib daaweynta carburization. Inta badan waxaa lagu isticmaalaa korantada albaabka albaabka oo leh heerkulka t≤540℃iyo cadaadiska magaca PN≤10MPa

10. Boronization

Boronizing si toos ah uga baaraandegto dusha daboolida walxaha ku jira valvka ama jirka saxanka, ka dibna waxay qabataa daawaynta dusha sare ee boronizing. Dusha daboolan waxay leedahay iska caabin xirxiran oo wanaagsan. Saldhigga korantada waalka qarxinta

Marka waalka la isticmaalayo, arrimaha ay tahay in fiiro gaar ah loo yeesho waa sida soo socota:

1. Waxqabadka shaabadda ee waalka waa in la tijaabiyaa si loo hubiyo waxqabadkiisa.

2. Hubi in dusha daboolka ee waalka uu xidhan yahay, oo hagaaji ama beddel sida ay xaaladdu tahay.