Dangane da hanyar haɗin flange, damalam buɗe ido bawul jikiAn raba shi zuwa: nau'in wafer nau'in A, nau'in wafer nau'in LT, flange guda ɗaya, flange biyu, nau'in flange U.
Nau'in Wafer A shine haɗin ramin da ba zare ba, LT nau'in 24" sama da manyan ƙayyadaddun bayanai yawanci yana amfani da mafi kyawun ƙarfin nau'in bawul ɗin U-type don yin haɗin da aka haɗa, ƙarshen bututun yana buƙatar amfani da nau'in LT.
Bisa ga tsarin rufewa, damalam buɗe ido bawul jikiza a iya raba roba vulcanized jiki (wanda ba a maye gurbin jiki jiki), tsaga bawul jiki (gaba daya tare da lalata-resistant wurin zama), da maye wurin zama jiki (tare da wuya baya kujera da taushi wurin zama).
Kayan jikin mu da aka saba amfani da su a cikin bawul ɗin malam buɗe ido sun fi yawa: baƙin ƙarfe, ductile iron, simintin ƙarfe, jikin bakin karfe, Jikin jan ƙarfe, Jikin aluminum da jefa super duplex karfe jiki.
Simintin ƙarfe: Abubuwan da aka fi sani da su a cikin bawul ɗin malam buɗe ido, galibi ana amfani da su a cikin tsarin ruwa, mai sauƙin lalacewa, ɗan gajeren rayuwar sabis, arha.
Cast baƙin ƙarfe: Cast baƙin ƙarfe ne dace da maras muhimmanci matsa lamba PN ≤ 1.0MPa, zazzabi -10 ℃ ~ 200 ℃ na ruwa, tururi, iska, gas da mai da sauran kafofin watsa labarai.Girman simintin ƙarfe da aka saba amfani da shi da maki sune: GB/T 12226, HT200, HT250, HT300, HT350.
Iron Ductile: A cikin bawul ɗin malam buɗe ido yana kama da carbon karfe wani abu, wanda galibi ana amfani dashi a cikin bututun tsarin ruwa, amma kuma a halin yanzu tsarin ruwa akan amfani da kayan aiki da yawa.
Ductile baƙin ƙarfe: Dace da PN ≤ 2.5MPa, zazzabi -30 ~ 350 ℃ ruwa, tururi, iska da mai da sauran kafofin watsa labarai.Matsayin da aka fi amfani da su da maki sune: GB/T12227:2005 QT400-15, QT450-10, QT500-7;EN1563 EN-GJS-400-15, ASTM A536,65 45-12, ASTM A395,65 45 12.
Carbon karfe: Hakanan za'a iya amfani dashi a cikin tsarin ruwa, bawul ɗin ƙarfe na bakin karfe yana da babban zafin jiki da juriya, babban bawul ɗin hatimin malam buɗe ido tare da kayan ƙarfe na carbon.
Carbon karfe: dace da maras muhimmanci matsa lamba PN ≤ 3.2MPa, zazzabi -30 ~ 425 ℃ ruwa, tururi, iska, hydrogen, ammonia, nitrogen da man fetur kayayyakin da sauran matsakaici.Yawan amfani da maki da ma'auni sune ASTM A216 / 216M: 2018WCA, WCB, ZG25 da ƙarfe mai inganci 20, 25, 30 da ƙananan gami tsarin karfe 16MN.
Bakin Karfe: Bakin karfe bawul na malam buɗe ido suna da tsatsa mai kyau sosai da juriya, kuma galibi ana amfani da su a cikin bututun da ke buƙatar juriya da tsatsa, kuma farashin yana da yawa.Ana amfani da matsa lamba PN ≤ 6.4.0MPa, kewayon zafin jiki: -268 ° C zuwa + 425 ° C, yawanci ana amfani dashi a cikin ruwa, ruwan teku, masana'antar sinadarai, mai da gas, magani, matsakaicin abinci.Ma'auni na gama gari da maki: ASTM A351/351M: 2018, SUS304,304, SUS316, 316
Copper alloy: Copper gami malam buɗe ido bawul ya dace da PN ≤ 2.5MPa ruwa, ruwan teku, oxygen, iska, mai da sauran matsakaici, kazalika da tururi kafofin watsa labarai a zazzabi na -40 ~ 250 ℃, fiye amfani maki ga ZGnSn10Zn2 (tin tagulla). ), H62, Hpb59-1 (tagulla), QAZ19-2, QA19-4 (aluminum tagulla).Ma'auni da maki gama gari: ASTM B148:2014, UNS C95400, UNS C95500, UNS C95800;Saukewa: ASTM B150C6300.