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| 設(shè)計(jì)、制造標(biāo)準(zhǔn) 1.設(shè)計(jì)制造按GB/T12237-89 2.法蘭連接尺寸按:JB/T79-94 3.閥門(mén)檢查和試驗(yàn)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(hào)Materia codel 零件名稱(chēng) 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(duì)位聚苯Para-polyphenyl | 對(duì)位聚苯Para-polyphenyl | 對(duì)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(zhì)Applicable medium | 水、蒸汽、油品Water,steam.oil | 硝酸類(lèi)nitric acid kind | 醋酸類(lèi)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(duì)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(guī)范Main property and Specification
| 試驗(yàn)壓力(MPa) rest pressure | 公稱(chēng)壓力PN Noninal pressure(MPa) | |||||
| 1.6 | 2.5 | 4.0 | 6.4 | |||
| 殼體強(qiáng)度試驗(yàn) Shell strength test | 2.4 | 3.75 | 6.0 | 9.6 | ||
| 密封試驗(yàn)(液) Sealtest | 1.76 | 2.75 | 4.4 | 7.04 | ||
| 密封試驗(yàn)(氣) Sealtest | 0.6MPa | |||||
| 適用介質(zhì) Applicable medium | C 水.油品.蒸汽 Water.Oil.Steam | P 硝酸類(lèi) Nitric Acid | R 醋酸類(lèi) Acetic Acid | |||
| 適用溫度 Applicable temperature | F密封≤150℃ PPL密封≤425℃ | |||||





















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