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Fa'avasegaga autu ma tulaga tautua o mea fa'amaufa'ailoga valve

Valve faʻamaufaʻailogaina o se vaega taua o le valve atoa, o lona faʻamoemoe autu o le puipuia lea o le leakage,le alatotoo le nofoa faʻamaufaʻailoga e taʻua foi o le mama faʻamau, o se faʻalapotopotoga e faʻafesoʻotaʻi saʻo ma le ala i totonu o le paipa ma puipuia le ala mai le tafe. A faʻaaogaina le valve, o loʻo i ai faʻasalalauga eseese i le paipa, e pei o le vai, kesi, suauʻu, faʻasalalau faʻasalalau, ma isi mea, ma faʻamaufaʻailoga o valve eseese e faʻaaogaina i nofoaga eseese ma e mafai ona faʻafetaui i auala eseese.

 

TWSValvefaamanatu atu ia te oe o mea o faamaufaailoga valve e mafai ona vaevaeina i ni vaega se lua, e pei o mea uamea ma mea e le o ni uamea. O faʻamaufaʻailoga e le o ni uʻamea e masani ona faʻaaogaina i paipa i le vevela masani ma le mamafa, aʻo faʻamaufaʻailoga uʻamea e sili atu le lautele o faʻaoga ma e mafai ona faʻaogaina i le maualuga o le vevela. maualuga maualuga.

 

1. Pa'u fa'asusu

E sili atu le pa'u fa'akomepiuta nai lo le pa'u fa'anatura e tusa ai ma le suau'u fa'afefeteina, fa'afefeteina o le vevela ma le fa'ama'i. E masani lava, o le vevela galue o le pa'u gaosia o le t150°C, pa'u natura o t60°C, ma le paʻu e faʻaaogaina mo le faʻamaufaʻailogaina o valve kelope, valve faitotoa, valve diaphragm, valve butterfly, siaki siaki, pine valve ma isi valve ma le mamafa PN.1MPa.

 

2. Nailoni

O le nailon o lo'o iai uiga o le fa'asa'o la'ititi ma le lelei o le fa'afefe. O le nailoni e tele lava ina fa'aoga mo valve polo ma valve globe ma le vevela t90°C ma le mamafa PN32MPa.

 

3. Polytetrafluoroethylene

O le tele o le PTFE e faʻaaogaina mo vaʻavaʻa o le kelope, alatoto faitotoa, valve polo, ma isi ma se vevela t232°C ma le mamafa o le PN6.4MPa.

 

4. Uamea lafo

O le u'amea e fa'aaogaina mo alatoto faitotoa, alavai kelope, alavai palaka, ma isi mo le vevela t100°C, mamafa fa'aigoaina PN1.6MPa, kesi ma le suauu.

 

5. u'amea Babbitt

O loʻo faʻaaogaina le uʻamea Babbitt mo le ammonia globe valve ma le vevela t-70 ~ 150ma le mamafa PN2.5MPa.

 

6. apamemea apamemea

O mea e masani ona faʻaaogaina mo apamemea apamemea 6-6-3 apa apamemea ma 58-2-2 apamemea manganese. u'amea apamemea e lelei le ofuina ma e talafeagai mo vai ma ausa ma vevela t200ma le mamafa PN1.6MPa. E masani ona faʻaaogaina i totonu o le faitotoʻa valves, globe valves, check valves, plug valves, etc.

 

7. Chrome uamea uamea

O togi masani o le chromium stainless steel o le 2Cr13 ma le 3Cr13, lea na tineia ma faʻafefe, ma e lelei le faʻafefe. E masani ona faʻaaogaina i luga o alatoto vai, ausa ma suauʻu ma le vevela t450ma le mamafa PN32MPa.

 

8. Chrome-nickel-titanium uamea u'amea

O le faʻaaogaina masani o le chromium-nickel-titanium stainless steel o le 1Cr18Ni9ti, lea e lelei le faʻafefeteina, faʻafefeteina ma le vevela. E talafeagai mo le ausa ma isi ala o faasalalauga i le vevela t600°C ma le mamafa o le PN6.4MPa, ma o loʻo faʻaaogaina mo vaʻa o le lalolagi, polo valve, ma isi.

 

9. Nitriding uamea

O le vasega masani o le nitriding uamea o le 38CrMoAlA, lea e lelei le faʻafefeteina ma le maoaʻe teteʻe pe a uma togafitiga carburizing. E masani ona faʻaaogaina i alatoto faitotoa nofoaga eletise ma le vevela t540ma le mamafa PN10MPa.

 

10. Boronizing

Boronizing fa'agasolo sa'o le fa'amaufa'ailogaina mai mea o le tino valve po'o le tino tisiketi, ona fa'atino ai lea o le fa'aogaina o luga ole boronizing. O le fa'amaufa'ailoga o lo'o i ai le fa'alava lelei. Mo alavai fa'ato'ilalo i le nofoaga eletise.

 

Pe a faʻaaogaina le valve, o mea e tatau ona faʻalogo i ai e faʻapea:

1. E tatau ona faʻataʻitaʻiina le faʻamaufaʻailogaina o le valve e faʻamautinoa ai lona faʻatinoga.

2. Siaki pe ua ofuina le faʻamaufaʻailoga o le valve, ma toe faʻaleleia pe sui e tusa ai ma le tulaga.


Taimi meli: Ian-04-2023