JIS-10K(PN16、PN10) | FIG.066N-铸铁缓冲式止回阀 |
| CAST IRON SILENT CHECK VALVE |
Renewable body & disc seat rings,Leader disc,Prevention water hammer. |
| | 零件 PART | 材质 MATERIAL | | 阀体 BODY | CAST IRON (FC20) | | 阀盘 DISC | CAST BRASS(YBSC3)2"~3" DUCTILE IRON(FCD45)4"~12" | | 阀座 BODY SEAT | CAST BRASS (YBSC3) | | 阀座环 SEAT RING | NBR | | 阀杆 STEM | BRASS (B16) | | 弹簧 SPRING | STAINLESS STEEL (304) |
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尺寸 | 2 | 21/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | L | 157 | 200 | 210 | 220 | 258 | 280 | 280 | 315 | 370 | D | 155 | 175 | 185 | 210 | 250 | 280 | 330 | 400 | 445 |
| 使用压力 | 试验压力(水压) | | 80°C以下之静流水 | 80°C以下之脉动水 | 阀体 | 阀座 | | 14.0kg f/cm2 | 10.0kg f/cm2 | 21.1kg f/cm2 | 15.4kg f/cm2 |
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