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PCP filler nozzle question 
PostPosted: Wed Aug 17, 2022 6:50 pm Reply with quote
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Joined: 26 Oct 2021
Posts: 2
Location: Sheperdsville, KY
I hope it's okay to post this to the Rifles forum. My big question is, what holds the filler nozzle in place in the tank fill port during pumping/filling? Given the pressures involved, this is scary! I'm guessing the air pressure inside the tank actuates a locking mechanism which grips the filler nozzle.

So, I close the pump bleed valve, stick the nozzle in, I'll feel it grab or click into place, I pump up to 2900 lbs., open the pump bleed valve, and pull the filler nozzle out?

Answer this too, to help me understand: if I were to shove just the filler nozzle into the tank port, and this filler nozzle was not attached to the pump hose, this would cause an instant, and very dangerous, release of all the pressurized air in the tank?

I'm experienced with break barrels, co2s, powder firearms and pneumatic tools but i just got my first PCP, a Hatsan Flashpup, and I'm a pure newb. The pressures are scary and I just want to know these fundamentals.

Browning Leverage 22, Hatsan model 95 22
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PostPosted: Thu Aug 18, 2022 10:32 am Reply with quote
Joined: 15 Jan 2008
Posts: 2998
Location: Coalmont, BC
The fill probe has an O-ring at both ends, so the force cancels out....


Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
Airsonal: Too many to count!
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PCP filler nozzle question 
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