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J41H高压截止阀
41H、J41Y、J41W *截止阀的启闭件是圆柱形的阀瓣，密封面呈平面或锥面，阀瓣沿流体的中心线作直线运动。*截止阀只适用于全开和全关，一般不用来调节流量，定做时允许作调节和节流。阀门与管路连接采用焊接式结构。密封面不易磨损、擦伤，密封性能好，寿命长。结构紧凑，启闭性好、高度小、维护方便。适用于水、蒸汽、油品管路上，具有耐高温、耐高压的特点。工作行程小，启闭时间短密封性好，密封面间磨擦力小，寿命较长
J41H高压截止阀参数：
|
公称压力NominalPressure |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
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|
强度试验 Shell Test |
2.4 |
3.8 |
6.0 |
9.6 |
15.0 |
24.0 |
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|
水密封试验 Water Seal Test |
1.8 |
2.8 |
4.4 |
7.0 |
11.0 |
18.0 |
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|
上密封试验Backseat Test |
1.8 |
2.8 |
4.4 |
7.0 |
11.0 |
18.0 |
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气密封试验 Air Seal Test |
0.5-0.7 |
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|
体、盖、板 Body Cover Disc |
阀杆 |
密封面 Sealing Face |
垫片 |
填料 |
工作温度℃ Working Temperature |
适用介质Suitable Medium |
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|
WCB |
2Cr13 |
13Cr STL 木体材料 With Body Material 尼龙 Nylon |
增强柔性石墨 Enhanced Flexible Graphite 13Cr/柔性石墨 1Cr13/Flexible Graphite 08软钢 08 Soft Steal 0Cr18Ni9Ti 0Cr17Ni12Mo2Ti XD550F(T) PTFE |
柔性石墨 增强柔性石墨 Flexible Graphite Enhanced Flexible Graphite SFB/260 SFP/260 PTFE |
≤425 |
水 蒸汽 油品 Water Steam Petroleum Ptoducts |
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|
WC1 |
38CrMoAl 25Cr2MoV |
≤450 |
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|
WC6 |
≤540 |
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|
WC9 |
≤570 |
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|
C5 C12 |
≤540 |
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|
ZGCr5Mo |
≤200 |
硝酸类Nitric acid |
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|
ZG1Cr18Ni9Ti |
1Cr18Ni9Ti |
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|
≤200 |
醋酸类Acetic acid |
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|
ZG1Cr18Ni12Mo2Ti |
1Cr18Ni12Mo2Ti |
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