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上海正钢阀门制造有限公司
主营产品： 高温高压安全阀,弹簧式安全阀,波纹管安全阀,全启式安全阀,微启式安全阀 |
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上海正钢阀门制造有限公司
主营产品： 高温高压安全阀,弹簧式安全阀,波纹管安全阀,全启式安全阀,微启式安全阀 |
| 参考价 | 面议 |
【对夹升降式止回阀,对夹式蝶形止回阀产品概述】
H71H(W)对夹升降式止回阀由阀体、阀瓣、弹簧等组成，水平安装于管路系统，防止介质倒流，具有结构短、体积小、质量轻；阀瓣关闭快速，水锤压力小；流道通畅，流体阻力小；动作灵敏，密封性能好.
【对夹升降式止回阀结构特点】
1、结构长度短，其结构长度只有传统法兰止回阀的1/4~1/8
2、体积小、重量轻、其重量只有传统法兰止回阀的1/4~1/20
3、阀瓣关闭快速，水锤压力小
4、水平管道使用，安装方便
5、流道通畅、流体阻力小
6、动作灵敏、密封性能好
7、阀瓣行程短、关阀冲击力小
8、整体结构、简单紧凑、造型美观
9、使用寿命长、可靠性高
【对夹升降式止回阀,对夹式蝶形止回阀型号、材料及主要参数】
配管法兰 | 公称压力 | 常规产品型号 | ||||||
JB/T 74 | PN1.0MPa | H71H-10C | H71W-10P | H71W-10P8 | H71W-10P3 | H71W-10R | H71W-10R8 | H71W-10R3 |
PN1.6MPa | H71W-16C | H71W-16P | H71W-16P8 | H71W-16P3 | H71W-16R | H71W-16R8 | H71W-16R3 | |
PN2.5MPa | H71W-25 | H71W-25P | H71W-25P8 | H71W-25P3 | H71W-25R | H71W-25R8 | H71W-25R3 | |
PN4.0MPa | H71W-40 | H71W-40P | H71W-40P8 | H71W-40P3 | H71W-40R | H71W-40R8 | H71W-40R3 | |
PN6.3MPa | H71W-63 | H71W-63P | H71W-63P8 | H71W-63P3 | H71W-63R | H71W-63R8 | H71W-63R3 | |
PN10.0MPa | H71W-100 | H71W-100P | H71W-100P8 | H71W-100P3 | H71W-100R | H71W-100R8 | H71W-100R3 | |
PN16.0MPa | H71W-160 | H71W-160P | H71W-160P8 | H71W-160P3 | H71W-160R | H71W-160R8 | H71W-160R3 | |
GB/T 9112 | 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 B 16.5 | 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 | 阀体 | WCB(A105) | ZG1Cr18Ni9Ti | CF8(304) | CF3(304L) | ZG1Cr18Ni12Mo2Ti | CF8M(316) | CF3M(316L) |
阀瓣 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni9 | 00Cr19Ni10 | 1Cr18Ni12Mo2Ti | 0Cr17Ni12Mo2 | 00Cr17Ni14Mo2 | |
压圈 | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni9 | 00Cr19Ni10 | 1Cr18Ni12Mo2Ti | 0Cr17Ni12Mo2 | 00Cr17Ni14Mo2 | |
弹簧 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 00Cr19Ni10 | 0Cr17Ni12Mo2 | 0Cr17Ni12Mo2 | 00Cr17Ni14Mo2 | |
适 用 | 适用介质 | 水、蒸汽、油品等 | 腐蚀性介质 | 强氧化性介质 | 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止回阀型号编制方法。 | ||||||||
【解剖图】
【对夹升降式止回阀产品连接尺寸】
公称压力 | 公称通径 | 尺寸(mm) | 重量 | 配管法兰(供参考) | ||||||||
L | D | D3 | D2 | D4 | 螺栓孔 | 螺栓数量 | 螺栓直径d | 螺栓长度L1 | ||||
PN1.0 | 15 | 25 | 52 | 15 | 44 | 25 | 0.12 | 65 | 4 | M12 | 75 | |
20 | 31.5 | 62 | 19 | 52 | 30 | 0.24 | 75 | 4 | M12 | 90 | ||
25 | 35.5 | 72 | 24 | 60 | 36 | 0.34 | 85 | 4 | M12 | 90 | ||
32 | 38 | 83 | 31 | 72 | 43 | 0.53 | 100 | 4 | M16 | 100 | ||
40 | 40 | 93 | 39 | 74 | 52 | 0.80 | 110 | 4 | M16 | 105 | ||
50 | 44 | 107 | 48 | 98 | 62 | 1.2 | 125 | 4 | M16 | 125 | ||
65 | 62 | 124 | 63 | 117 | 75 | 2.2 | 145 | 4 | M16 | 130 | ||
80 | 65 | 138 | 78 | 128 | 90 | 3.1 | 160 | 8 | M16 | 135 | ||
100 | 68 | 164 | 98 | / | 112 | 5.7 | 180 | 8 | M16 | 150 | ||
125 | 86 | 188 | 123 | / | 132 | 10 | 210 | 8 | M16 | 180 | ||
150 | 100 | 219 | 148 | / | 158 | 14 | 240 | 8 | M20 | 210 | ||
200 | 110 | 270 | 198 | / | 208 | 24 | 295 | 8 | M20 | 240 | ||
250 | 160 | 332 | 248 | / | 208 | 35 | 350 | 8 | M20 | 260 | ||
PN2.5 | 15 | 25 | 52 | 15 | 44 | 25 | 0.12 | 65 | 4 | M12 | 80 | |
20 | 31.5 | 62 | 19 | 52 | 30 | 0.24 | 75 | 4 | M12 | 90 | ||
25 | 35.5 | 72 | 24 | 60 | 36 | 0.34 | 85 | 4 | M12 | 90 | ||
32 | 40 | 83 | 31 | 72 | 43 | 0.53 | 100 | 4 | M16 | 110 | ||
40 | 45 | 93 | 39 | 74 | 52 | 0.80 | 110 | 4 | M16 | 115 | ||
50 | 56 | 109 | 48 | 98 | 62 | 1.2 | 125 | 4 | M16 | 125 | ||
65 | 63 | 129 | 63 | 117 | 75 | 2.2 | 145 | 8 | M16 | 135 | ||
80 | 71 | 144 | 78 | 128 | 90 | 3.1 | 160 | 8 | M16 | 145 | ||
100 | 80 | 168 | 98 | / | 112 | 7.0 | 190 | 8 | M20 | 160 | ||
125 | 110 | 196 | 123 | / | 132 | 12 | 220 | 8 | M24 | 205 | ||
150 | 125 | 224 | 148 | / | 158 | 15 | 250 | 8 | M24 | 225 | ||
200 | 160 | 284 | 198 | / | 208 | 26 | 310 | 12 | M24 | 260 | ||
PN4.0 | 15 | / | 52 | 15 | 44 | 25 | 0.12 | 65 | 4 | M12 | 80 | |
20 | / | 62 | 19 | 52 | 30 | 0.24 | 75 | 4 | M12 | 90 | ||
25 | / | 72 | 24 | 60 | 36 | 0.34 | 85 | 4 | M12 | 90 | ||
32 | / | 83 | 31 | 72 | 43 | 0.53 | 100 | 4 | M16 | 110 | ||
40 | / | 93 | 39 | 74 | 52 | 0.80 | 110 | 4 | M16 | 115 | ||
50 | / | 109 | 48 | 98 | 62 | 1.2 | 125 | 4 | M16 | 125 | ||
65 | / | 129 | 62 | 117 | 75 | 2.2 | 145 | 8 | M16 | 135 | ||
80 | / | 144 | 76 | 128 | 90 | 3.1 | 160 | 8 | M16 | 145 | ||
100 | / | 168 | 95 | / | 112 | 9 | 190 | 8 | M20 | 160 | ||
125 | / | 196 | 110 | / | 132 | 14 | 220 | 8 | M24 | 205 | ||
150 | / | 224 | 127 | / | 158 | 18 | 250 | 8 | M24 | 225 | ||
200 | / | 291 | 165 | / | 208 | 28 | 320 | 12 | M27 | 275 | ||
公称压力 | 公称通径 | 尺寸(mm) | 重量 | 配管法兰(供参考) | ||||||||
L | D | D3 | D2 | D4 | 螺栓孔 | 螺栓数量 | 螺栓直径d | 螺栓长度L1 | ||||
PN6.4 | 15 | 25 | 62 | 15 | 25 | 0.5 | 75 | 4 | M12 | 100 | ||
20 | 31.5 | 73 | 19 | 30 | 0.7 | 90 | 4 | M16 | 115 | |||
25 | 35.5 | 83 | 24 | 36 | 1.0 | 100 | 4 | M16 | 130 | |||
32 | 40 | 89 | 31 | 43 | 1.3 | 110 | 4 | M20 | 140 | |||
40 | 45 | 104 | 39 | 52 | 2.0 | 125 | 4 | M20 | 150 | |||
50 | 56 | 114 | 48 | 62 | 3.2 | 135 | 4 | M20 | 160 | |||
65 | 63 | 138 | 63 | 75 | 4.5 | 160 | 8 | M20 | 170 | |||
80 | 71 | 148 | 78 | 90 | 5 | 170 | 8 | M20 | 180 | |||
100 | 80 | 174 | 98 | 112 | 7 | 200 | 8 | M24 | 200 | |||
125 | 110 | 211 | 123 | 132 | 13 | 240 | 8 | M27 | 245 | |||
150 | 125 | 248 | 148 | 158 | 22 | 280 | 8 | M30 | 270 | |||
200 | 160 | 310 | 198 | 208 | 40 | 345 | 12 | M33 | 325 | |||
PN10.0 | 15 | 25 | 62 | 15 | 25 | 0.6 | 75 | 4 | M12 | 100 | ||
20 | 31.5 | 73 | 19 | 30 | 1.0 | 90 | 4 | M16 | 115 | |||
25 | 35.5 | 83 | 24 | 36 | 1.3 | 100 | 4 | M16 | 130 | |||
32 | 40 | 89 | 31 | 43 | 1.6 | 110 | 4 | M20 | 140 | |||
40 | 45 | 104 | 39 | 52 | 2.5 | 125 | 4 | M20 | 150 | |||
50 | 56 | 120 | 48 | 62 | 3.8 | 145 | 4 | M24 | 175 | |||
65 | 63 | 144 | 63 | 75 | 6 | 170 | 8 | M24 | 185 | |||
80 | 71 | 154 | 78 | 90 | 7 | 180 | 8 | M24 | 195 | |||
100 | 80 | 181 | 98 | 112 | 10 | 210 | 8 | M27 | 220 | |||
125 | 110 | 218 | 123 | 132 | 18 | 250 | 8 | M30 | 265 | |||
150 | 125 | 258 | 148 | 158 | 30 | 290 | 12 | M30 | 285 | |||
200 | 160 | 324 | 198 | 208 | 56 | 360 | 12 | M33 | 345 | |||
