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Author Topic: Hand Dredge Check Valve Size and Orientation  (Read 2155 times)

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Offline DharmaSoldat

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Re: Hand Dredge Check Valve Size and Orientation
« Reply #30 on: December 05, 2018, 02:01:31 PM »
Okay... so I managed to river test the reinforced valve flap. It works great - and it turns out I need them on both intake and outflow ports as the intake valve got sucked in just like the other one did prior to reinforcement.

Shoe goo and rubber for the win.

Also picked up a third-bucket of gravel to test in my future concentrator project...  <-yahoo_>

Offline JOE S (INDY)

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Re: Hand Dredge Check Valve Size and Orientation
« Reply #31 on: December 05, 2018, 02:44:32 PM »
Excellent! 
Wiser Mining Through Endless Personal Mistakes

Offline DharmaSoldat

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Re: Hand Dredge Check Valve Size and Orientation
« Reply #32 on: December 05, 2018, 04:14:50 PM »
Joe, the second reinforced valve flap is curing right now... I have a feeling i'll be able to optimize the flow rate by changing the shape and/or construction of the valve flap.

Offline bruno

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Re: Hand Dredge Check Valve Size and Orientation
« Reply #33 on: December 05, 2018, 07:00:33 PM »
Dharma, I have used the ABS check valves for my hand suction dredge, They work really wellCheck valve.png

Offline DharmaSoldat

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Re: Hand Dredge Check Valve Size and Orientation
« Reply #34 on: December 06, 2018, 06:06:41 AM »
Hay Bruno :)

I had considered those kinds of valves because they seemed cost effective at first but I really wasn't sure of their performance/endurance level or their ability to be integrated into a final design.

The larger 2" valves also cost a lot more and one of my main goals was having as much throughput as possible in the system.

I think (not including R&D costs) that the ABS union valve actually comes under the cost of that one by a dollar or so - which was also one of my goals - to see how cheaply a highly effective valve could be made.

It's still ongoing :D

 


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