[PSUBS-MAILIST] Purge Valve

Sat Mar 30 19:39:19 EDT 2019

Alan, how much is the cost?

On Sat, Mar 30, 2019, 2:54 PM Alan via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Cliff,
> It comes from a K1, K'Archer 36V lithium battery powered pressure washer.
> There is little identification on the pump to determine who manufactures
> it.
>
> https://www.karcher.cn/cn-en/home-garden/mobile-cleaning/k-1-battery-pressure-washer-cn-11170510.html
> I posted a few photos on my Facebook page, but couldn't find you on
> messenger
> to link to.
> It is solid but has plastic fittings on it that can't be changed out.
> Paul Moorehouse took an interest in it when I posted.
> It has an over-pressure shut off that I disabled. As a pressure washer when
> You release the trigger pressure builds up & the motor shuts off.
> I am going to put in a pressure relief valve instead for manipulator
> operation.
> The battery I am using as a systems back up battery.
> Alan
>
> [image: image1.JPG]
> [image: image2.JPG]
>
> On 30/03/2019, at 11:19 PM, Cliff Redus via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Alan what is the model number and manufacturer of the pump?
>
> Cliff
>
> On Friday, March 29, 2019, 10:37:46 PM CDT, Alan via Personal_Submersibles
> <personal_submersibles at psubs.org> wrote:
>
>
> Hank,
> I am using a 36V 750 psi pressure washer pump on my sub for trim & ballast
> adjustment. It is supposed to have a corrosion proof pump, although would
> need flushing out after salt water use.
> I am wondering about the feasibility of using it to power manipulator
> hydraulics
> using  water. I had heard that Nuytco had used a water hydraulics system.
> Are you familiar with that at all, or have any thoughts on this?
> My maximum operating depth is 500ft so I should have 500psi above my
> maximum ambient pressure.
> Alan
>
>
> On 30/03/2019, at 1:38 PM, hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Alan, same as David, bleeds on both yokes
> Hank
>
> On Friday, March 29, 2019, 1:50:14 PM MDT, Alan via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>
> Thanks everyone,
> It might be easiest & safest in my case ( 1 person sub ) to just shut off
> the
> Bottles & reach inside the hull & bleed air & O2 from there.
> It saves putting another fitting in line that may leak. Also there may be
> the
> Possibility of leaving the purge valve open, although no doubt you would
> hear
> It when you turned the air on!
> Alan
>
> On 30/03/2019, at 7:36 AM, Rick Patton via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Alan,
> My O2 tanks are outside and I have a O2 cleaned 1st stage to knock it down
> to LP before coming into the sub so I bought a CGA 540 to go onto the
> bottle and then a bleed fitting that goes to that like I think you are
> looking for then a machined fitting with O ring like a scuba tank valve
> that my 1st stage reg attaches to. Go to "thescubadiversstore.com" and
> then type in the search bar 46335 and it will pull up a bleed part but the
> one I have does not the have threaded port for a gauge. The guy was really
> great to work with and good prices as well. This will get you started and
> when I get to me shop, I'l look up the part number that doesn't have the
> gauge port and get that to ya.
> Rick
>
> On Thu, Mar 28, 2019 at 6:06 PM Alan via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Hi,
> Just wondering if people use / have an external valve to purge air / O2
> from the
> system to enable the removal of the first stage yoke from the tank.
> With a dive set up you just press the second stage purge valve.
> Alan
>
>
>
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