| 摘要 |
SIGHT FLOW INDICATOR FOR POWDER AND BULK SOLIDS DELIVERY VEHICLES A sight flow indicator having a male end and a female end which receive a hollow, cylindrical, transparent member for connecting into a flow line. Seals are disposed in counterbores in the male and female members and longitudinal rods force the male and female members into engagement with the seals. The male member has a peripheral groove and the female member receives the male member and levers having cams for engaging the groove in the male member. The cams on a lever on the indicator engage the groove holding the sight flow indicator in the flow line and flow can be observed.
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