A48Y法蘭蒸汽閥適于溫度《350℃的蒸汽、空氣等介質的設備和管 路上，作為超壓保護裝置，當設備和管路內壓力超過允許值時，閥門自動開啟，繼而全量排放；當壓力降低到規(guī)定值時，閥門自動關閉，保證設備和管路的運行。

主要零部件材料

NO.零件名稱A48Y-C A44Y-C 材料A44Y-P材料A44Y-R材料1閥體WCBZG1Cr18Ni9TiCF8M2閥座2Cr131Cr18Ni9Ti3163調節(jié)圈ZG2Cr13ZG1Cr18Ni9Ti0Cr18Ni12Mo2Ti4反沖盤ZG2Cr13ZG1Cr18Ni9Ti3165閥瓣2Cr131Cr18Ni9Ti3166導向套2Cr131Cr18Ni9Ti0Cr18Ni12Mo2Ti7閥蓋ZG230-450ZG230-450ZG230-4508彈簧50CrVA50CrVA包覆氟塑料50CrVA包覆氟塑料9閥桿2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti10扳手ZG200-400ZG200-400ZG200-40011調整螺桿452Cr132Cr1312保護罩ZG200-400ZG200-400316

密封面材料堆焊Co基硬質合金

外形尺寸和連接尺寸

型號公稱通徑doDKgg1bff1Z-?dDN'D1K1g3g2b1f'f1'Z1-?d1LL1≈HA48Y-16C201510575

55162

4-142511585

65162

4-1411095411251611585

65162

4-1432140100

78182

4-18110954113220140100

78182

4-1840150110

85183

4-181151004114025150110

85183

4-1850165125

100203

4-181201104725032165125

100203

4-1865185145

120203

4-181351205326540185145

120203

4-1880200160

135203

8-181601405568050200160

135203

8-18100220180

155223

8-1817013556110065220180

155203

8-18125250210

185223

8-1819517566712580250210

185223

8-18150285240

210243

8-23210190857150100285240

210243

8-23175310270

240263

8-23255230915200125340295

26526