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对夹式止回阀 |
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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 |
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主要性能规范：
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配管法兰 |
公称压力 |
常规产品型号 |
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JB/T 74
~90、
GB/T 9112
~9124、
HG 20592
~20614 |
PN1.0MPa |
H71H-10C |
H71W-10P |
H71W-10P8 |
H71W-10P3 |
H71W-10R |
H71W-10R8 |
H71W-10R3 |
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PN1.6MPa |
H71W-16C |
H71W-16P |
H71W-16P8 |
H71W-16P3 |
H71W-16R |
H71W-16R8 |
H71W-16R3 |
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PN2.5MPa |
H71W-25 |
H71W-25P |
H71W-25P8 |
H71W-25P3 |
H71W-25R |
H71W-25R8 |
H71W-25R3 |
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PN4.0MPa |
H71W-40 |
H71W-40P |
H71W-40P8 |
H71W-40P3 |
H71W-40R |
H71W-40R8 |
H71W-40R3 |
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PN6.3MPa |
H71W-63 |
H71W-63P |
H71W-63P8 |
H71W-63P3 |
H71W-63R |
H71W-63R8 |
H71W-63R3 |
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PN10.0MPa |
H71W-100 |
H71W-100P |
H71W-100P8 |
H71W-100P3 |
H71W-100R |
H71W-100R8 |
H71W-100R3 |
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PN16.0MPa |
H71W-160 |
H71W-160P |
H71W-160P8 |
H71W-160P3 |
H71W-160R |
H71W-160R8 |
H71W-160R3 |
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GB/T 9112
~9124、
HG 20615
~20635、
SH 3406 |
PN2.0MPa |
H71H-20C |
— |
H71W-20P8 |
H71W-20P3 |
— |
H71W-20R8 |
H71W-20R3 |
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PN5.0MPa |
H71H-50 |
— |
H71W-50P8 |
H71W-50P3 |
— |
H71W-50R8 |
H71W-50R3 |
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PN11.0MPa |
H71H-110 |
— |
H71W-110P8 |
H71W-110P3 |
— |
H71W-110R8 |
H71W-110R3 |
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PN15.0MPa |
H71H-150 |
— |
H71W-150P8 |
H71W-150P3 |
— |
H71W-150R8 |
H71W-150R3 |
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ANSI B 16.5 |
Class150 |
H71H-A1C |
— |
H71W-A1P8 |
H71W-A1P3 |
— |
H71W-A1R8 |
H71W-A1R3 |
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Class300 |
H71H-A3 |
— |
H71W-A3P8 |
H71W-A3P3 |
— |
H71W-A3R8 |
H71W-A3R3 |
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Class600 |
H71H-A6 |
— |
H71W-A6P8 |
H71W-A6P3 |
— |
H71W-A6R8 |
H71W-A6R3 |
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Class900 |
H71H-A9 |
— |
H71W-A9P8 |
H71W-A9P3 |
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H71W-A9R8 |
H71W-A9R3 |
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主 要
零 件
材 料 |
阀体 |
WCB(A105) |
ZG1Cr18Ni9Ti |
CF8(304) |
CF3(304L) |
ZG1Cr18Ni12Mo2Ti |
CF8M(316) |
CF3M(316L) |
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阀瓣 |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni9 |
00Cr19Ni10 |
1Cr18Ni12Mo2Ti |
0Cr17Ni12Mo2 |
00Cr17Ni14Mo2 |
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压圈 |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni9 |
00Cr19Ni10 |
1Cr18Ni12Mo2Ti |
0Cr17Ni12Mo2 |
00Cr17Ni14Mo2 |
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弹簧 |
0Cr18Ni9 |
0Cr18Ni9 |
0Cr18Ni9 |
00Cr19Ni10 |
0Cr17Ni12Mo2 |
0Cr17Ni12Mo2 |
00Cr17Ni14Mo2 |
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适 用
工 况 |
适用介质 |
水、蒸汽、油品等 |
硝酸等腐蚀性介质 |
强氧化性介质 |
醋酸等腐蚀性介质 |
尿素等腐蚀性介质 |
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适用温度(℃) |
-29~425 |
-196~540 |
-196~425 |
-196~540 |
-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。 |
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主要零件的材料说明：
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阀体 |
ASTM A216 WCB |
ASTM A351 CF8 |
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阀瓣 |
WCB |
CF8 |
CF8M |
Monel |
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轴及弹簧 |
F6a |
F304 |
F316 |
Monel |
F304 |
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阀瓣表面 |
13Cr |
13Cr |
STL |
304 |
316 |
Monel |
304 |
STL |
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阀座表面 |
13Cr |
STL |
STL |
304 |
316 |
Monel |
304 |
STL |
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阀体 |
ASTM A351 CF3 |
ASTM A351 CF8M |
ASTM A351 CF3M |
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阀瓣 |
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轴及弹簧 |
F304L |
F316 |
F316L |
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阀瓣表面 |
304L |
STL |
316 |
STL |
316L |
STL |
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阀座表面 |
304L |
STL |
316 |
STL |
316L |
STL |
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