| 对夹式止回阀 |
| 产品型号：H71(2)H/Y |
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产品引用标准：
设计与制造：API 594、API 6D
结构长度：ANSI 594、API 6D、DIN3202
法兰标准：DIN 2543-2548、API605、ASME B 16.47
压力检验：API 598 |
主要性能规范：
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配管法兰
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公称压力
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常规产品型号
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JB/T 74
~90、
GB/T 9112
~9124、
HG 20592
~20614
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PN1.0MPa
|
H71H-10C
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H71W-10P
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H71W-10P8
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H71W-10P3
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H71W-10R
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H71W-10R8
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H71W-10R3
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PN1.6MPa
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H71W-16C
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H71W-16P
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H71W-16P8
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H71W-16P3
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H71W-16R
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H71W-16R8
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H71W-16R3
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PN2.5MPa
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H71W-25
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H71W-25P
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H71W-25P8
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H71W-25P3
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H71W-25R
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H71W-25R8
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H71W-25R3
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PN4.0MPa
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H71W-40
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H71W-40P
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H71W-40P8
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H71W-40P3
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H71W-40R
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H71W-40R8
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H71W-40R3
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PN6.3MPa
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H71W-63
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H71W-63P
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H71W-63P8
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H71W-63P3
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H71W-63R
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H71W-63R8
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H71W-63R3
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PN10.0MPa
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H71W-100
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H71W-100P
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H71W-100P8
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H71W-100P3
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H71W-100R
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H71W-100R8
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H71W-100R3
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PN16.0MPa
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H71W-160
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H71W-160P
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H71W-160P8
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H71W-160P3
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H71W-160R
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H71W-160R8
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H71W-160R3
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GB/T 9112
~9124、
HG 20615
~20635、
SH 3406
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PN2.0MPa
|
H71H-20C
|
—
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H71W-20P8
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H71W-20P3
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—
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H71W-20R8
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H71W-20R3
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PN5.0MPa
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H71H-50
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—
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H71W-50P8
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H71W-50P3
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—
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H71W-50R8
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H71W-50R3
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PN11.0MPa
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H71H-110
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—
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H71W-110P8
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H71W-110P3
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—
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H71W-110R8
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H71W-110R3
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PN15.0MPa
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H71H-150
|
—
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H71W-150P8
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H71W-150P3
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—
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H71W-150R8
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H71W-150R3
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ANSI B 16.5
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Class150
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H71H-A1C
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—
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H71W-A1P8
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H71W-A1P3
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—
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H71W-A1R8
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H71W-A1R3
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Class300
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H71H-A3
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—
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H71W-A3P8
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H71W-A3P3
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—
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H71W-A3R8
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H71W-A3R3
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Class600
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H71H-A6
|
—
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H71W-A6P8
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H71W-A6P3
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—
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H71W-A6R8
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H71W-A6R3
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Class900
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H71H-A9
|
—
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H71W-A9P8
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H71W-A9P3
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—
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H71W-A9R8
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H71W-A9R3
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主 要
零 件
材 料
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阀体
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WCB(A105)
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ZG1Cr18Ni9Ti
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CF8(304)
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CF3(304L)
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ZG1Cr18Ni12Mo2Ti
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CF8M(316)
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CF3M(316L)
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阀瓣
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2Cr13
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1Cr18Ni9Ti
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0Cr18Ni9
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00Cr19Ni10
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1Cr18Ni12Mo2Ti
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0Cr17Ni12Mo2
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00Cr17Ni14Mo2
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压圈
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2Cr13
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1Cr18Ni9Ti
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0Cr18Ni9
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00Cr19Ni10
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1Cr18Ni12Mo2Ti
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0Cr17Ni12Mo2
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00Cr17Ni14Mo2
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弹簧
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0Cr18Ni9
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0Cr18Ni9
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0Cr18Ni9
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00Cr19Ni10
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0Cr17Ni12Mo2
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0Cr17Ni12Mo2
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00Cr17Ni14Mo2
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适 用
工 况
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适用介质
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水、蒸汽、油品等
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硝酸等腐蚀性介质
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强氧化性介质
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醋酸等腐蚀性介质
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尿素等腐蚀性介质
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适用温度(℃)
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-29~425
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-196~540
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-196~425
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-196~540
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-196~455
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注：本表为常规对夹式止回阀的型号编制、主要零件材料及适用工况，其他要求及其型号编制参见对夹止回阀型号编制方法.
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产品用途：
对夹式止回阀用于纯净管路及工业、环保、水处理、高层建筑给排水管路，阻止介质逆向流动之用。适用介质为：水、油品、蒸汽、污水、酸类等。 |
主要零件的材料说明：
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阀体
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ASTM A216 WCB
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ASTM A351 CF8
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阀瓣
|
WCB
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CF8
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CF8M
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Monel
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轴及弹簧
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F6a
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F304
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F316
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Monel
|
F304
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阀瓣表面
|
13Cr
|
13Cr
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STL
|
304
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316
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Monel
|
304
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STL
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阀座表面
|
13Cr
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STL
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STL
|
304
|
316
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Monel
|
304
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STL
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