High Flow Action Markers Valves

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  • flyweightnate
    commented on 's reply
    That "someone" was me, last year... time to bring others into the fold. Gabe said his works nicely in his Illusion, too - I'm still waiting to see an Illusion for sale at a price I can justify.

  • Cunha
    replied
    Thanks for making these. Someone has to have a sentinel they want to make actually work.

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  • flyweightnate
    replied
    Up - shall I use newfangled buzzwords like "LTD EDISHUN" or "1 of 22"?

    Get them while they exist, as I'm never going to make more!

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  • flyweightnate
    replied
    Up top.
    Last edited by flyweightnate; 01-18-2021, 12:22 PM.

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  • flyweightnate
    replied
    These are .75 nominal OD; they're quite specific to AM as far as I've found. Nobody else made a lower tube this size.

    Sent from my SM-G930T using Tapatalk

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  • grendal50
    replied
    What's the O.D. on these? Will they work on another platform?

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  • flyweightnate
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  • flyweightnate
    started a topic High Flow Action Markers Valves

    High Flow Action Markers Valves

    ​ Back on MCB 2.0, I posted a longwinded narrative about making valves for AM guns.

    Edit: only one left!

    Valves are $35, Diadem valve pins plus cup seals are $15, Sentinel valve pins plus cup seals are $10, Lapco Spyder cup seals are $8. Shipping is $5.

    Stainless steel, a conical entry face, and a well-matched exhaust port. The conical face means they seal at the OD of the cupseal, so even a heavily worn valve-cup assembly still will seal reliably on these. (At least, the black and translucent amber ones, and the translucent Lapco Spyder cups. White nylon Spyder seals are not reliable.)

    They sweetspot between 400 and 500psi on a Sentinel platform, allowing shooting velocities with the same springs as the stock valve at 800psi. CNC machined on the office's Integrex 300S, by someone who's not me, so they came out really well. There are pilot holes if you want to drill (5-64ths) for additional blowback gas; I find drilling one port to be helpful but the second to be unhelpful.

    I also have a small stash of OEM Diadem and Sentinel-Illusion valve pins and cup seals. The Diadem pins are narrower in the middle; both have blowback flats.

    Keep those guns running!

    ​
    ​

    Last edited by flyweightnate; 05-26-2023, 09:37 AM.
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