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立式止回阀主要材料及性能参数
|
主体材料
|
WCB
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ZG1Cr18Ni9Ti
|
ZG1Cr18Ni12Mo2Ti
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ZG2Cr5Mo
|
|
|
主要参数
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适用介质
|
油品、水、蒸汽
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硝酸类
|
醋酸类
|
油品、水、蒸汽
|
|
适用温度
|
≤425℃
|
≤200℃
|
≤200℃
|
≤550℃
|
|
立式止回阀性能规范
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型 号
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公称
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主要结构尺寸(mm)
|
阀体
材料
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性能规范
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||||||
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通径DN(mm)
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压力
PN(MPa)
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D
|
D1
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L
|
L1
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H
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适用温度（℃）
|
适用介质
|
||
|
H42H-25
|
100
|
2.5
|
230
|
210
|
|
|
碳钢
|
≤425
|
水、油品、蒸气等
|
|
|
"
|
125
|
"
|
270
|
|
275
|
|
|
"
|
"
|
"
|
|
"
|
150
|
"
|
300
|
|
300
|
|
|
"
|
"
|
"
|
|
"
|
200
|
"
|
360
|
|
380
|
|
|
"
|
"
|
"
|
|
H42H-40
|
100
|
4.0
|
230
|
|
210
|
|
|
碳钢
|
≤425
|
水、油品、蒸气等
|
|
"
|
125
|
"
|
270
|
|
275
|
|
|
"
|
"
|
"
|
|
"
|
150
|
"
|
300
|
|
300
|
|
|
"
|
"
|
"
|
|
"
|
200
|
"
|
375
|
|
380
|
|
|
"
|
"
|
"
|
