H76型对夹双瓣旋启式止回阀
对夹升降式止回阀的型号、材料及主要参数
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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/T74～90、
GB/T9112～9124 HG20592～20614 |
PN1.0MPa
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H76H-10C
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H76W-10P
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H76W-10P8
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H76W-10P3
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H76W-10R
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H76W-10R8
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H76W-10R3
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PN1.6MPa
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H76H-16C
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H76W-16P
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H76W-16P8
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H76W-16P3
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H76W-16R
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H76W-16R8
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H76W-16R3
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PN2.5MPa
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H76H-25
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H76W-25P
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H76W-25P8
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H76W-25P3
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H76W-25R
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H76W-25R8
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H76W-25R3
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PN4.0MPa
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H76H-40
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H76W-40P
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H76W-40P8
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H76W-40P3
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H76W-40R
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H76W-40R8
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H76W-40R3
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PN6.3MPa
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H76H-63
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H76W-63P
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H76W-63P8
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H76W-63P3
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H76W-63R
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H76W-63R8
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H76W-63R3
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PN10.0MPa
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H76H-100
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H76W-100P
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H76W-100P8
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H76W-100P3
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H76W-100R
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H76W-100R8
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H76W-100R3
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PN16.0MPa
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H76H-160
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H76W-160P
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H76W-160P8
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H76W-160P3
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H76W-160R
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H76W-160R8
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H76W-160R3
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PN20.0MPa
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H76H-200
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H76W-200P
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H76W-200P8
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H76W-200P3
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H76W-200R
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H76W-200R8
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H76W-200R3
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PN25.0MPa
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H76H-250
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H76W-250P
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H76W-250P8
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H76W-250P3
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H76W-250R
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H76W-250R8
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H76W-250R3
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GB/T9112～96124、
HG20615～20635、 SH3406 |
PN2.0MPa
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H76H-20C
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-
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H76W-20P8
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H76W-20P3
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-
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H76W-20R8
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H76W-20R3
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PN5.0MPa
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H76H-50
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-
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H76W-50P8
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H76W-50P3
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-
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H76W-50R8
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H76W-50R3
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PN11.0MPa
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H76H-110
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-
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H76W-110P8
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H76W-110P3
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-
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H76W-110R8
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H76W-110R3
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PN15.0MPa
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H76H-150
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-
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H76W-150P8
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H76W-150P3
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-
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H76W-150R8
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H76W-150R3
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PN26.0MPa
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H76H-260
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-
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H76W-260P8
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H76W-260P3
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-
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H76W-260R8
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H76W-260R3
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PN42.0MPa
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H76H-420
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-
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H76W-420P8
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H76W-420P3
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-
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H76W-420R8
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H76W-420R3
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ANSI B16.5
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Class 150
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H76H-A1C
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-
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H76W-A1P8
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H76W-A1P3
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-
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H76W-A1R8
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H76W-A1R3
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Class 300
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H76H-A3
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-
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H76W-A3P8
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H76W-A3P3
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-
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H76W-A3R8
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H76W-A3R3
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Class 600
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H76H-A6
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-
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H76W-A6P8
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H76W-A6P3
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-
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H76W-A6R8
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H76W-A6R3
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Class 900
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H76H-A9
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-
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H76W-A9P8
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H76W-A9P3
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-
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H76W-A9R8
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H76W-A9R3
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Class 1500
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H76H-A15
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-
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H76W-A15P8
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H76W-A15P3
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-
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H76W-A15R8
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H76W-A15R3
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Class 2500
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H76H-A25
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-
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H76W-A25P8
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H76W-A25P3
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-
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H76W-A25R8
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H76W-A25R3
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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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CF8
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CF8
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CF8
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CF3 |
CF8M
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CF8M
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CF3 |
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阀轴
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2Cr13
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1Cr18Ni9Ti
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0Cr18Ni9
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00Cr18Ni10
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1Cr18Ni12Mo2Ti
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1Cr17Ni12Mo2
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00Cr17Ni14Mo2
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弹簧
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0Cr18Ni9
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0Cr18NiP
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0Cr18Ni9
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00Cr18Ni10
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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式止回阀型号编制方式
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