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  • Users: TimBL
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  1. TimBL

    Two ratchet design or supplier

    I am looking for a two-way shaft mounted ratchet device for a manually driven machine. There does not appear to be an off the shelf product that meets this criteria. However I have seen on a low cost winch, a pivoted sprung component that meshes with one of the gear wheels to cause a two-way...
  2. TimBL

    Pipe losses in a 'lay flat' or fire hose

    I am looking for typical head losses for a 200mm lay flat hose. Values or source on the web.
  3. TimBL

    wastewater flowmeter

    A mag flow (electro magnetic flow meter) or a time of flight are the normal solution. ABB, Danfoss or Endress and Hauser are typical suppliers (of many) of this equipment.
  4. TimBL

    Predicting the req opening for small head losses with a penstock

    I am working on an old and progressively added to STW with three separate process streams. Flow splitting is achieved by hydraulic balance but because distribution channels are of different lengths and shapes the associated head losses also differ. Ideally I require equal flow division between...
  5. TimBL

    Formula for two adjacent weirs

    Some clarifcation the weirs are thin plate weirs. The weirs will be set in the channel side (at 90 degrees to the normal flow) there will be a step between the two weir levels
  6. TimBL

    Formula for two adjacent weirs

    I am looking at a flow control/flow splitting device using two weirs set at different levels and adjacent to each other in the same stream. Flow volumes are large max 450l/s. Any ready formulas out there for calculating the head or flow for this arragement?
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