設計、制造標準Standard for design and manufacture
1.設計制造按GB/T12237-89
2.法蘭連接尺寸按：JB/T79-94
1.DesignManafacfure According to GB/T 12237-89
2.FlangeDimensionAccording tojB/T 79-94
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設計、制造標準 1.設計制造按GB/T12237-89 2.法蘭連接尺寸按：JB/T79-94 3.閥門檢查和試驗按GB/T13927-92 |
Standard for design and manufacture 1.DesignManafacfure According to GB/T 12237-89 2.FlangeDimensionAccording tojB/T 79-94 3.valve Checkand Test Accordingto GB/T 13927-92 |
主要零件材料Material of Main Parts
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材料代號Materia codel 零件名稱 hardwarea pellation
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C |
P |
R |
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閥體Valve body |
WCB |
lCr18Ni9Ti |
1Cr18Ni12M02Ti |
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球體Sphere |
2Cr13 |
lCr18Ni9Ti |
1Cr18Ni12M02Ti |
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閥桿Valw stem |
2Cr13 |
lCr18Ni9Ti |
1Cr18Ni12M02Ti |
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密封seal |
聚四氟乙烯Polytetrafluoroethylene |
聚四氟乙烯Polytetrafluoroethylen |
聚四氟乙烯Polytetrafluoroethylen |
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對位聚苯Para-polyphenyl |
對位聚苯Para-polyphenyl |
對位聚苯Para-polyphenyl |
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填料Packing |
聚四氟乙烯Polytetrafluoroethylene |
聚四氟乙烯Polytetrafluoroethylene |
聚四氟乙烯Polytetrafluoroethylene |
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柔性石墨soft graphite |
柔性石墨soft graphite |
柔性石墨soft graphite |
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使用介質(zhì)Applicable medium |
水、蒸汽、油品Water，steam．oil |
硝酸類nitric acid kind |
醋酸類acetic acid kind |
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適用溫度Applicable temperatura |
選用（聚四氟乙烯）密封材料為≤150℃ Applicable sealing material（e．g．polytetrafluoroethylene）equal to 150C or less |
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選用(對位聚苯}密封材料為≤300℃ Appllcable sealing material(e.g.para-potyphanyt) equal t0 300C orless |
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主要性能規(guī)范Main property and Specification
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試驗壓力(MPa) rest pressure |
公稱壓力PN Noninal pressure(MPa) |
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1.6 |
2.5 |
4.0 |
6.4 |
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殼體強度試驗 Shell strength test |
2.4 |
3.75 |
6.0 |
9.6 |
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密封試驗（液） Sealtest |
1.76 |
2.75 |
4.4 |
7.04 |
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密封試驗（氣） Sealtest |
0.6MPa |
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適用介質(zhì) Applicable medium |
C 水．油品．蒸汽 Water．Oil．Steam |
P 硝酸類 Nitric Acid |
R 醋酸類 Acetic Acid |
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適用溫度 Applicable temperature |
F密封≤150℃ PPL密封≤425℃ |
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