Mute Type Check Valve
DRVZ-10 DRVZ-16 DRVZ-25Q
静音式止回阀 Mute Type Check Valve
| 型号Type | DRVZ-10 | DRVZ-16 | DRVZ-25Q | |
| 公称压力Nominal pressure | PN1.0MPa | PN1.6MPa | PN2.5MPa | |
| 公称通径Nominal diameter | DN50~350mm | |||
| 最高工作压力The highest working pressure | 1.0MPa | 1.6MPa | 2.5MPa | |
| 密封试验压力Seal test pressure | 1.0MPa | 1.6MPa | 2.5MPa | |
| 壳体试压压力Shell test pressure | 1.5MPa | 2.4MPa | 3.75MPa | |
| 主要零件材料 Major parts material | 阀体、导流体 The valve body, the diversion | 灰铸铁 Gray cast iron | 球墨铸铁 Nodular cast iron | |
| 阀座、轴承、阀瓣、轴 The seat, bearing, disc, shaft | 铝青铜或铭不锈钢 Engaged in aluminum bronze or stainless steel | |||
| 弹簧spring | 不锈钢 Stainless steel | |||
| 公称通径 DN(mm) | L | |||
| 50 | 120 | |||
| 65 | 150 | |||
| 80 | 180 | |||
| 100 | 229 | |||
| 125 | 254 | |||
| 150 | 267 | |||
| 200 | 292 | |||
| 250 | 330 | |||
| - | - | |||
| - | - | |||
