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生产厂家厂商性质
上海市所在地
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 | 公称压力 | 常规产品型号 | ||||||
JB/T74~90 GB/T9112~9124 HG 20592~20614 | PN1.0MPa | H71H-10C | H71W-10P | H71W-10P8 | H71W-10P3 | H71W-10R | H71W-10R8 | H71W-10R3 |
PN1.6MPa | H71H-16C | H71W-16P | H71W-16P8 | H71W-16P3 | H71W-16R | H71W-16R8 | H71W-16R3 | |
PN2.5MPa | H71H-25 | H71W-25P | H71W-25P8 | H71W-25P3 | H71W-25R | H71W-25R8 | H71W-25R3 | |
PN4.0MPa | H71H-40 | H71W-40P | H71W-40P8 | H71W-40P3 | H71W-40R | H71W-40R8 | H71W-40R3 | |
PN6.3MPa | H71H-63 | H71W-63P | H71W-63P8 | H71W-63P3 | H71W-63R | H71W-63R8 | H71W-63R3 | |
PN10.0MPa | H71H-100 | H71W-100P | H71W-100P8 | H71W-100P3 | H71W-100R | H71W-100R8 | H71W-100R3 | |
PN16.0MPa | H71H-160 | H71W-160P | H71W-160P8 | H71W-160P3 | H71W-160R | H71W-160R8 | H71W-160R3 | |
GB/T9112~9124 HG20615~20635 SH3406 | PN2.0MPa | H71H-20C | | H71W-20P8 | H71W-20P3 | | H71W-20R8 | H71W-20R3 |
PN5.0MPa | H71H-50 | | H71W-50P8 | H71W-50P3 | | H71W-50R8 | H71W-50R3 | |
PN11.0MPa | H71H-110 | | H71W-110P8 | H71W-110P3 | | H71W-110R8 | H71W-110R3 | |
PN15.0MPa | H71H-150 | | H71W-150P8 | H71W-150P3 | | H71W-150R8 | H71W-150R3 | |
ANSI B16.5 | Class150 | H71H-A1C | | H71W-A1P8 | H71W-A1P3 | | H71W-A1R8 | H71W-A1R3 |
Class300 | H71H-A3 | | H71W-A3P8 | H71W-A3P3 | | H71W-A3R8 | H71W-A3R3 | |
Class600 | H71H-A6 | | H71W-A6P8 | H71W-A6P3 | | H71W-A6R8 | H71W-A6R3 | |
Class900 | H71H-A9 | | H71W-A9P8 | H71W-A9P3 | | H71W-A9R8 | H71W-A9R3 | |
主要 零件 材料 | 阀体 | WCB(A105) | ZG1Cr18Ni9Ti | CF8(304) | CF3(304L) | ZG1Cr18Ni12Mo2Ti | CF8M(316) | CF3M(316L) |
阀瓣 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni9 | 00Cr18Ni10 | 1Cr18Ni12Mo2Ti | 0Cr17Ni12Mo2 | 00Cr17Ni14Mo2 | |
压圈 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni9 | 00Cr18Ni10 | 1Cr18Ni12Mo2Ti | 0Cr17Ni12Mo2 | 00Cr17Ni14Mo2 | |
弹簧 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 00Cr18Ni10 | 0Cr17Ni12Mo2 | 0Cr17Ni12Mo2 | 00Cr17Ni14Mo2 | |
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 | 硝酸等腐蚀性介质 | 尿素等腐蚀性介质 | ||
适用温度(℃) | -29~425 | -196~540 | -196~425 | -196~540 | -196~455 | |||
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。 |
H71不锈钢对夹止回阀主要尺寸及重量
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