PRESSURE REDUCING VALVE FOR FIRE FIGHTING FIG.857A
中繼壓力調整閥
FIG.857A
PRESSURE REDUCING VALVE FOR FIRE FIGHTING
Piston type, Flanged ends, Installed on inlet side of relay pump
| 零件 PART | 材質 MATERIAL |
|---|---|
| 閥體 Body | Ductile Iron |
| 閥座 Seat | Bronze |
| 閥座墊片 Seat Ring | NBR |
| 活塞閥門 Piston | Bronze |
| 彈簧 Spring | Stainless Steel |
| 活塞缸 Piston Cover | Bronze |
| 導桿 Piston Guide | Bronze |
| 最高工作壓力／Max.working pressure | ||
|---|---|---|
| 閥體測試／Body test | 入口調壓範圍 | 出口調壓範圍 |
| 32 kg f/cm2(HYD.) | 0.7 kg f/cm2UP | 0.5~4 kg f/cm2(HYD.) |
| 尺寸 | 2˝ | 2½˝ | 3" | 4˝ | 5˝ | 6˝ | 8˝ |
| L | 190 | 210 | 225 | 250 | 284 | 320 | 420 |
| H | 150 | 160 | 175 | 185 | 200 | 235 | 255 |
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