in-line valve question

in-line valve question

Joined: February 23rd, 2010, 10:28 pm

March 23rd, 2012, 5:57 pm #1

How does an in-line valve work from the perspective of it delivering air to the breech? Or, are there examples out there I can refer to?

Thx,
Chris S.
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Joined: June 25th, 2002, 1:34 pm

March 24th, 2012, 3:21 pm #2

the two 90 degree turns seen in a typical knock-open valve. The down side of most inline designs is that the air supply enters from the back side, the Talon is an example, with it's bottle mounted in place of a butt stock. hth.
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Joined: April 12th, 2002, 5:26 am

March 25th, 2012, 7:10 pm #3

How does an in-line valve work from the perspective of it delivering air to the breech? Or, are there examples out there I can refer to?

Thx,
Chris S.
crosman co2 shotgun
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Joined: June 5th, 2006, 12:49 am

March 26th, 2012, 11:41 am #4

the two 90 degree turns seen in a typical knock-open valve. The down side of most inline designs is that the air supply enters from the back side, the Talon is an example, with it's bottle mounted in place of a butt stock. hth.
the valves used in most CO2 repeaters, replicas & BB guns have the exhaust port & stem inline
with the barrel, but the gas in the firing chamber must first travel backwards to
the rear, turn 90 degrees, flow inwards, then turn 90 degrees again to flow axially.
Even the butt tank guns involve some change in flow direction.

e.g. Crosmans 1008 , 1077 , most revolver copies
Last edited by CO222 on March 26th, 2012, 11:46 am, edited 1 time in total.
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