| FIRE PROTECTION CHECK VALVE |
UL Listed FM Approved, Horizontal swing, Renewable seat and disc. |
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| 零件 PART | 材质 MATERIAL | 阀体 BODY | CAST IRON | 阀盖 BONNET | CAST IRON | 阀座环 SEAT RING | CAST BRONZE | 阀盘 DISC | DUCTILE IRON | 阀座 DISC SEAT | NBR |
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尺寸 | 2 | 21/2 | 3 | 4 | 6 | 8 | 10 | 12 | L | - | - | 241 | 292 | 356 | 495 | - | - | H | - | - | 194 | 223 | 276 | 304 | - | - | | 标称压力 | 试验压力(水压) | Nominal Pressures:175 PSI | 阀体 | 阀座 | | | 25kg f/cm2 |
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