FS-074,FS-074D,鑄鐵止回閥
| 公稱壓力 | 最高使用壓力 | 試驗(yàn)壓力(水壓) | |
| 80℃以下之水 | 閥體 | 閥座 | |
| 1.0Mpa | 1.0Mpa | 1.5Mpa | 1.1Mpa |
| 1.6Mpa | 1.6Mpa | 2.4MPa | 1.76Mpa |
| 零件PART | 材質(zhì)MATERIAL | |
| 閥體BODY | CAST/DUCTILE IRON | FC20/FCD45 |
| 密封圈SEAT | EPDM | EPDM |
| 閥盤DISC | STAINLESS STEEL | SUS304/316 |
| 彈簧SPRING | STAINLESS STEEL | SUS304 |
| 心軸STEM | STAINLESS STEEL | SUS304/316 |
| 尺寸 | 2 | 2-1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| L | 101 | 121 | 131 | 156 | 187 | 217 | 267 | 330 | 375 | 420 | 483 | 538 | 592 |
| H | 54 | 54 | 57 | 64 | 70 | 76 | 95 | 108 | 143 | 184 | 191 | 203 | 213 |


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