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Thread: What type of valve/plunger is this?

  1. #1
    Associate Engineer
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    Confused What type of valve/plunger is this?

    What type of Plunger/Valve is this? And does anyone know where to purchase these in large quantities.

    Any information anyone has on this would be greatly appreciated.

    Thank you, David
    photo 3-1.jpgphoto 1-1.jpgphoto 2-1.jpg

  2. #2
    Administrator Kelly Bramble's Avatar
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    Looks like some sort of fluid check-valve (one-way-flow) to me. I'll bet it is a unique design - what does it go on and have you contacted the manufacturer or distributor?

  3. #3
    Technical Fellow
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    I am with Kelly on this, that top button looks like it might be machined from Delrin or Nylon, most likely Nylon going by the color. That would make it a proprietary item and you may need to have them made.

    It should not be all that expensive now that CNC lathes tend to dominate the lathe-working industries.

  4. #4
    Technical Fellow jboggs's Avatar
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    Is this a pneumatic or hydraulic application? You might check companies like Clippard for small specialized pneumatic components or a company like Sun Hydraulics for screw-in cartridge valves.

  5. #5
    Associate Engineer
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    It is used in an electric fuel pump to help control the flow of fuel. It is used as a type of return valve, but I am unable to find a manufacturer that might be able to help us produce this.fuel pump cut-out-1.jpg

  6. #6
    Associate Engineer
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    Lot of unnecessary machining in that thread length on the port block.

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