22xx valve extension bushing available

22xx valve extension bushing available

Joined: January 28th, 2004, 8:28 pm

May 12th, 2012, 8:53 pm #1

I will be offering this soon depending on the response. Made of silicon bronze and lengthens stock valve by 1 5/8ths, the difference in length between a 2240 and 2250 tube. 2250 tube would be optimal setup, using a 2240 endcap. The spring and co2 piercing (if you choose to use a 12 gram) are up to you. I know that there are endcaps out there that pierce the cartridge. This valve extension could definitely be used for bulk fill applications. Also let me know if you are interested in longer extensions. I can make them for you. Call me at 3609293589 or email me at sonargodz @ hotmail.com. Take the spaces out of the address.
Last edited by sonargodz on May 12th, 2012, 9:01 pm, edited 1 time in total.
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Joined: April 28th, 2010, 12:23 am

May 13th, 2012, 1:49 am #2

Last edited by robnewyork on May 13th, 2012, 1:50 am, edited 1 time in total.
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Joined: January 28th, 2004, 8:28 pm

May 13th, 2012, 4:10 am #3

You need a longer tube for the 1377 because the piston sits flush with th valve inlet at full stroke. I built an extended tube .25 quackenbush breeched 1377 awhile ago that was pushing webley misquitoes at 785 fps off of 25 pumps. It did really good with kodiaks, but i don't remember the fps. I am working on a new tube too, but it might be awhile. When i get done, i will post it;)
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Joined: April 28th, 2010, 12:23 am

May 13th, 2012, 5:34 am #4

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Joined: January 28th, 2004, 8:28 pm

May 13th, 2012, 3:06 pm #5

It looks a little rough around the edges, but it would tear stuff up even at ranges out to 75 yards. The 42 grain Eun Jins were even getting above 500fps. Skyler at Powerstroke Pneumatics did probably half the work on it. I sold it before I left for Japan, but I have the dimensions of the tube and valve.


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Joined: April 28th, 2010, 12:23 am

May 13th, 2012, 4:38 pm #6

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Joined: January 28th, 2004, 8:28 pm

May 13th, 2012, 5:22 pm #7

I will be offering this soon depending on the response. Made of silicon bronze and lengthens stock valve by 1 5/8ths, the difference in length between a 2240 and 2250 tube. 2250 tube would be optimal setup, using a 2240 endcap. The spring and co2 piercing (if you choose to use a 12 gram) are up to you. I know that there are endcaps out there that pierce the cartridge. This valve extension could definitely be used for bulk fill applications. Also let me know if you are interested in longer extensions. I can make them for you. Call me at 3609293589 or email me at sonargodz @ hotmail.com. Take the spaces out of the address.
Here is a picture of the valve extension bushing. My arrow pistol had a similar bushing on it, although a bit longer. Here is a picture of the valve with the bushing installed. I sold it awhile back to somebody, but I don't remember who. Some guy with a dragonslayer and a bunch of DAQ's. Anyway if you want one, let me know if you are interested. I can get you one made in short order. Not sure of the price yet, but I have to get materials first before I do that.

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Joined: April 28th, 2010, 12:23 am

May 14th, 2012, 12:31 am #8

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Joined: September 7th, 2009, 10:49 pm

May 14th, 2012, 12:59 am #9

Here is a picture of the valve extension bushing. My arrow pistol had a similar bushing on it, although a bit longer. Here is a picture of the valve with the bushing installed. I sold it awhile back to somebody, but I don't remember who. Some guy with a dragonslayer and a bunch of DAQ's. Anyway if you want one, let me know if you are interested. I can get you one made in short order. Not sure of the price yet, but I have to get materials first before I do that.

Here's my question,using a 2250 tube and your valve,could I then use them with a 2240 HiPAC?
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Joined: January 28th, 2004, 8:28 pm

May 14th, 2012, 1:34 am #10

I have not heard of a HiPAC, but the silicon bronze that the bushing is made of is stronger than the original valves brass. If the original brass will handle the pressure, then yes. The length from the front of the tube to the inlet valve is the same as a 2240 tube when the bushing is installed in a 2250 valve/tube. You can actually use a co2 cartridge if you have an endcap to pierce it. Bulk fill using a fake co2 bulb is easy from there.
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