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国标截止阀
Key Specifications / Features
法兰连接的截止阀适用于公称压力PN1.6～16.0Mpa，工作温度-29～550℃的石油、化工、制药、化肥、电力
行业等各种工况的管道上，切断或接通介质。适用介质为：水、油品、蒸汽、酸性介质等。操作方式有：手
动、齿轮传动、电动、气动等。
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Detail Information
国标截止阀产品引用标准
设计与制造：GB12235 结构长度：GB12221 压力温度等级：GB9131 JB/T74 HG20604 连接法兰：JB/T79 GB9113 HG20593-20635 试验与检验：GB13927 JB/T9092
国标截止阀产品用途
法兰连接的截止阀适用于公称压力PN1.6～16.0Mpa，工作温度-29～550℃的石油、化工、制药、化肥、电力
行业等各种工况的管道上，切断或接通介质。适用介质为：水、油品、蒸汽、酸性介质等。操作方式有：手
动、齿轮传动、电动、气动等。
行业等各种工况的管道上，切断或接通介质。适用介质为：水、油品、蒸汽、酸性介质等。操作方式有：手
动、齿轮传动、电动、气动等。
国标截止阀产品结构特点
1.产品按国家标准GB12235，结构合理,密封可靠，性能优良、造形美观。2.阀瓣、阀座的密封面采用司太立
（stellite）钴基硬质合金堆焊而成，耐磨。3.阀杆经调质和表面氮化处理，有良好的搞腐蚀性和抗擦伤
性。4.可采用各种配管法兰标准及法兰密封面型式，满足各种工程需要及用户要求。5.阀体材料品种齐全，
填料、垫片根据实际工况或用户要求合理选配，能适用于各种压力、温度及介质工况。6.倒密封采用螺纹连
接密封座或本体堆焊奥氏体不锈钢而成，倒密封可靠，填料更换和维修可在不停机情况下进行，方便快捷不
影响系统运行。
（stellite）钴基硬质合金堆焊而成，耐磨。3.阀杆经调质和表面氮化处理，有良好的搞腐蚀性和抗擦伤
性。4.可采用各种配管法兰标准及法兰密封面型式，满足各种工程需要及用户要求。5.阀体材料品种齐全，
填料、垫片根据实际工况或用户要求合理选配，能适用于各种压力、温度及介质工况。6.倒密封采用螺纹连
接密封座或本体堆焊奥氏体不锈钢而成，倒密封可靠，填料更换和维修可在不停机情况下进行，方便快捷不
影响系统运行。
国标截止阀主要零件的材料说明
| 阀 体 | WCB | ZG1Cr18Ni12Mo2Ti | ZGCr5Mo | ZG1Cr18Ni9Ti |
| 阀 盖 | WCB | ZG1Cr18Ni12Mo2Ti | ZGCr5Mo | ZG1Cr18Ni9Ti |
| 支 架 | WCB | ZG1Cr18Ni12Mo2Ti | ZGCr5Mo | ZG1Cr18Ni9Ti |
| 阀 瓣 | 2Cr13 | 316 | Cr5Mo | 304 |
| 阀 杆 | 2Cr13 | 316 | 25Cr2MoV | 304 |
| 阀 座 | 25 | 316 | 304 | 304 |
| 密封环 | 304、增强柔性石墨 | |||
| 填 料 | 增强柔性石墨 | |||
| 阀杆螺母 | ZCuA110Fe3 | |||
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浙江新海阀门制造有限公司
- Address: Xinhai Industry Zone, Sanqiao, Oubei, Wenzhou, Zhejiang, P. R. China.
- Phone: +86 577 6699 3222
- Business Type: Industry & Trading , Manufacturer
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