不锈钢对夹止回阀 H71W
产品简介
不锈钢对夹止回阀采用新型全部材料采用耐腐蚀不锈钢。可在任何位置的管路上安装,防止介质逆流,锅炉给水系统上回,其连接方式是利用原有管道两端法兰对夹即可投入运行。其各项指标都优于目前市售的任何一种上回阀。它的运用范围广泛,凡水、气、油、酸、碱液、氢、氨、特别消防管道等介质均可使用。
产品详细信息

不锈钢对夹止回阀采用新型全部材料采用耐腐蚀不锈钢。可在任何位置的管路上安装,防止介质逆流,锅炉给水系统上回,其连接方式是利用原有管道两端法兰对夹即可投入运行。其各项指标都优于目前市售的任何一种上回阀。它的运用范围广泛,凡水、气、油、酸、碱液、氢、氨、特别消防管道等介质均可使用。
不锈钢对夹止回阀的型号、材料及主要参数
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/T74~90
GB/T9112~9124 HG 20592~20614 |
PN1.0MPa
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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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H71H-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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H71H-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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H71H-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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H71H-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
|
|
PN10.0MPa
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H71H-100
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H71W-100P
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H71W-100P8
|
H71W-100P3
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H71W-100R
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H71W-100R8
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H71W-100R3
|
|
PN16.0MPa
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H71H-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
|
|
GB/T9112~9124
HG20615~20635 SH3406 |
PN2.0MPa
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H71H-20C
|
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H71W-20P8
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H71W-20P3
|
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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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H71W-50P8
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H71W-50P3
|
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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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H71W-110P8
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H71W-110P3
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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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H71W-150R8
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H71W-150R3
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ANSI B16.5
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Class150
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H71H-A1C
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H71W-A1P8
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H71W-A1P3
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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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H71W-A3P8
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H71W-A3P3
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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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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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H71W-A9R8
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H71W-A9R3
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主要
零件 材料 |
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
|
1Cr18Ni9Ti
|
0Cr18Ni9
|
00Cr18Ni10
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1Cr18Ni12Mo2Ti
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0Cr17Ni12Mo2
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00Cr17Ni14Mo2
|
|
压圈
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2Cr13
|
1Cr18Ni9Ti
|
0Cr18Ni9
|
00Cr18Ni10
|
1Cr18Ni12Mo2Ti
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0Cr17Ni12Mo2
|
00Cr17Ni14Mo2
|
|
弹簧
|
0Cr18Ni9
|
0Cr18Ni9
|
0Cr18Ni9
|
00Cr18Ni10
|
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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硝酸等腐蚀性介质
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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式止回阀型号编制方法。
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H71不锈钢对夹止回阀主要尺寸及重量
2.5 10.0
PN(MPa)
DN(mm)
(kg )
心圆直径D1
1.6
H71不锈钢对夹止回阀美标主要尺寸及重量
PN(MPa)
DN(mm)
(kg )
心圆直径D1
PN(MPa)
DN(mm)
(kg )
心圆直径D1