| 序号 | 名称 | 材质 | | ANSI/JIS/DIN | ANSI/JIS/DIN | | 1 | 阀体 | A351-CF8M/SCS14A/1.4408 | A351-CF8/SCS13A/1.4308 | | 2 | 卡盘弹簧垫 | SUS316 | SUS304 | | 3 | 弹簧 | SUS304 | | 4 | 阀瓣 | A351-CF8M/SCS14A/1.4408 | A351-CF8/SCS13A/1.4308 | 对夹升降式止回阀外形尺寸表: | 序号 | d | L | C | F | B | | 1/2" | 15 | 16. | 43 | 46 | 53 | | 3/4" | 20 | 19.5 | 53 | 55 | 63 | | 1" | 25 | 22 | 63 | 65 | 73 | | 1-1/4" | 30 | 28 | 75 | 78 | 84 | | 1-1/2" | 38 | 32 | 86 | 88 | 94 | | 2" | 46 | 40 | 94 | 98 | 107 | | 2-1/2" | 62.5 | 46 | 115 | 118 | 126 | | 3" | 78 | 50 | 130 | 134 | 144 | | 4" | 96 | 60 | 152 | 154 | 164 | | 5" | 117 | 82 | - | - | 190 | | 6" | 148 | 102 | - | - | 217 |
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