Waa maxay Astaamaha lagu xidho Alaabta

Ethylene Propylene Diene Monomer (EPDM)

Caag EPDM ah ayaa ku xasilan badeecadaha badankooda, sidaa darteed si weyn ayaa looga isticmaalaa warshadaha cuntada.Faa'iidada kale ayaa ah in lagu isticmaali karo heerkul lagu taliyey oo ah 140°C (244°F), laakiin waxa kale oo jira xad.EPDM maaha mid u adkaysata saliidaha dabiiciga ah, saliidaha aan organic ahayn iyo dufanka, laakiin waxay leedahay iska caabin ozone oo aad u fiican.

Caag Silikoon ah (VMQ)

Sifada tayada ugu caansan ee caag silikoon ah ayaa ah inay u adkeysan karto heerkulka laga bilaabo -50°C (-58°F) ilaa ku dhawaad ​​+180°C (356°F) oo ay wali sii haysato bartinimadiisa.Xasiloonida kiimikaad weli waa la aqbali karaa badeecadaha intooda badan, si kastaba ha ahaatee, lye soda iyo acids iyo sidoo kale biyaha kulul iyo uumiga waxay dhaawici karaan caag silikoon ah, iska caabin wanaagsan oo ozone ah.

waalka iridda

Rubber Nitrile (NBR)

NBR waa nooc caag ah oo inta badan loo isticmaalo arrimo farsamo.Aad bay ugu xasiloon tahay inta badan hydrocarbons sida saliidaha, dufanka iyo dufanka, iyo sidoo kale milo alkalis iyo nitric acid, waxaana loo isticmaali karaa heerkulka ugu sarreeya ee lagu taliyey oo ah 95°C (203°F).Maadaama NBR ay burburisay ozone, laguma soo bandhigi karo iftiinka UV waana in laga ilaaliyaa iftiinka.

Caag Fluorinated (FPM)

FPM waxaa badanaa lagu isticmaalaa meelaha noocyada kale ee caag ah aysan ku habooneyn, gaar ahaan heerkulka sare ilaa 180°C (356°F), oo leh xasilooni kiimikaad oo wanaagsan.iyo iska caabinta ozonebadeecooyinka intooda badan, laakiin waa in laga fogaado biyaha kulul, uumiga, dheeha, aashitada iyo aalkolada.

Polytetrafluoroethylene (PTFE)

PTFE waxay leedahay xasillooni kiimiko oo heer sare ah iyo iska caabin daxalka ah (waa mid ka mid ah qalabka ugu fiican ee daxalka u adkaysta ee adduunka maanta, marka laga reebo biraha alkali ee dhalaalay, PTFE si dhib leh ayay u daxalisay kiimikaad kasta).Tusaale ahaan, marka lagu kariyo sulfuric acid, nitric acid, hydrochloric acid, aalkolo, ama xitaa aqua regia, miisaankeeda iyo waxqabadkeedu isma beddelayaan.Heerkulka shaqada: -25°C ilaa 250°C

Valve Ball daahirsanaanta Sare

Heerarka Birta Aan Lahayn

Shiinaha

EU

USA

USA

UK

Jarmalka

Japan

GB

(Shiinaha)

EN

(Yurub)

AISI

(Mareykanka)

ASTM

(Mareykanka)

BSI

(UK)

DIN

(Jarmalka)

JIS

(Japan)

0Cr18Ni9

(06Cr19Ni10)

X5CrNi18-10

304

TP304

304 S 15

304 S 16

1.4301

SUS304

00Cr19Ni10

(022Cr19Ni10)

X2CrNiI9-11

304L

TP304L

304 S 11

1.4306

SUS304L

0Cr17Ni12Mo2

(06Cr17Ni12Mo2)

X5CrNiMo17-2-2

316

TP316

316 S 31

1.4401

SUS316

00Cr17Ni14Mo2

(022Cr17Ni12Mo2)

X2CrNiMo17-2-2

316L

TP316L

316 S 11

1.4404

SUS316L


Waqtiga boostada: Mar-14-2023