污水處理設備 污泥處理設備 水處理過濾器 軟化水設備/除鹽設備 純凈水設備 消毒設備|加藥設備 供水/儲水/集水/排水/輔助 水處理膜 過濾器濾芯 水處理濾料 水處理劑 水處理填料 其它水處理設備
上海先鋒閥門廠
上海先鋒閥門廠
設計、制造標準Standard for design and manufacture1.設計制造按GB/T12237-892.法蘭連接尺寸按：JB/T79-941.DesignManafacfure According to GB/T 12237-892.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
| 材料代號Materia codel 零件名稱 hardwarea pellation | C | P | R |
| 閥體Valve body | WCB | lCr18Ni9Ti | 1Cr18Ni12M02Ti |
| 球體Sphere | 2Cr13 | lCr18Ni9Ti | 1Cr18Ni12M02Ti |
| 閥桿Valw stem | 2Cr13 | lCr18Ni9Ti | 1Cr18Ni12M02Ti |
| 密封seal | 聚四氟乙烯Polytetrafluoroethylene | 聚四氟乙烯Polytetrafluoroethylen | 聚四氟乙烯Polytetrafluoroethylen |
| 對位聚苯Para-polyphenyl | 對位聚苯Para-polyphenyl | 對位聚苯Para-polyphenyl | |
| 填料Packing | 聚四氟乙烯Polytetrafluoroethylene | 聚四氟乙烯Polytetrafluoroethylene | 聚四氟乙烯Polytetrafluoroethylene |
| 柔性石墨soft graphite | 柔性石墨soft graphite | 柔性石墨soft graphite | |
| 使用介質Applicable medium | 水、蒸汽、油品Water，steam．oil | 硝酸類nitric acid kind | 醋酸類acetic acid kind |
| 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 | ||
| 選用(對位聚苯}密封材料為≤300℃ Appllcable sealing material(e.g.para-potyphanyt) equal t0 300C orless | |||
主要性能規范Main property and Specification
| 試驗壓力(MPa) rest pressure | 公稱壓力PN Noninal pressure(MPa) | |||||
| 1.6 | 2.5 | 4.0 | 6.4 | |||
| 殼體強度試驗 Shell strength test | 2.4 | 3.75 | 6.0 | 9.6 | ||
| 密封試驗（液） Sealtest | 1.76 | 2.75 | 4.4 | 7.04 | ||
| 密封試驗（氣） Sealtest | 0.6MPa | |||||
| 適用介質 Applicable medium | C 水．油品．蒸汽 Water．Oil．Steam | P 硝酸類 Nitric Acid | R 醋酸類 Acetic Acid | |||
| 適用溫度 Applicable temperature | F密封≤150℃ PPL密封≤425℃ | |||||
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