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That bleed screw fitting is probably an off-the-shelf item that Umarex purchased for their compressor. You should be able to find the manufacturer's logo or name on the fitting. IF not, finding a similar replacement bleed screw shouldn't be that hard.

Here's more info on the desiccants from Google: which desiccant media, silica gel or Molecular sieve will remove the most moisture from air and at what flow rates and pressuresx]?? Reply: "Molecular sieve removes the most moisture, achieving much lower dew points (even below -100°F) by...

I thought about this at lunch and googled it: do desiccants like silica gel and molecular sieve work better with higher or lower pressure or air velocity This is what came back (from AI??): Desiccants like silica gel and molecular sieves work best with lower air velocity for longer contact...

Hey, Alamogunr. I'm having the same problem with the input thread on my compressor, a VEVOR ss-pac03a. There was a small inlet filter threaded into the hole which helps when measuring the diameter and pitch. The threads did not match anything I have in metric, UNC, UNF, or Schrader. This...

Bob1, you may be totally correct, except the part about cheaper. I looked into it several years back and the initial cost, tank, reg, etc was substantial. Also, I never do anything the easy way it seems. Totally out of character for me. But, I am cheap. I might look around for a used...

OK. That makes sense. Thanks. I'm setting up a prefilter system. For the last 6-8 years I was using nothing but N2 because there was a paintball shop around the corner from my house and they would fill my little CF tanks for free. That was great while it lasted and spoiled me and my PCP's...

Hey, Alan. Any particular reason to put the silica gel filter after the molecular sieve filter??

Bcchannell, that seems very reasonable for any moisture in the small passages from the rifle/pistol's reservoir tank to the chamber and out the barrel. For moisture inside the tank, that would seem unlikely unless it was discharged at a high enough angle (vertical) to put the discharge valve at...

Hey, Bob1. As I understand it, Ni2 will not absorb any moisture (that's what makes it so good). It would be like trying to wipe up a spill with a plastic cutting board. If you were just blowing the moisture out of a smooth tube, it would work, but there are so many joints, crooks and crannies...

Was the scope nitrogen filled?? If so, he did in fact "damage" it, at least degraded it. I'd have explained that to him and said it was sold with no warranty and it was HIS ERROR, not yours, anyway. Now he has the scope, your money, and feels empowered to do the same thing again to someone.

Trivia answers: There are 360° (degrees) in a circle, 60 minutes in one degree, and 60 seconds in a minute. Beyond that, decimals of a second are used. One Degree of Angle is 1.745 feet wide at 100 feet away. One Minute of Angle is 0.029 feet wide, or 0.349 inches (about 1/3 of an inch) at...

FWIW, I went for bifocals several years back and was talked into progressive lenses. I tried for weeks to get used to them but I was always tilting my head forward and back trying to get in focus. The main selling point for progressives is they don't look like bifocals (just pure vanity)...

Sure you can. You don't look thru the scope with both eyes, do you??

Shoot more shots per group for better info on the ammo.

Dogowski, You are EXACTLY correct on that brass QD fitting the basket ball needle. THANK YOU, SIR!! I believe that thread is the Schrader valve stem thread size, 0.305-32. It was really nice of Vevor to include the little brass QD for a basketball needle but most of our basketballs...

I got sum bad news for you, Hateful: it ain't jus' a PCP racket anymore.

The AV SS fitting arrived today. Fits perfectly. Problem solved. Thanks, guys!! Is this a great forum or what?? And, please don't tell anyone I couldn't figure this out by myself. Stoopid simple and I qualify.

Yes, that's what I ordered. Only $19.37 total!! We'll find out if that's what I actually needed. They (Vevor) were very prompt about replying to emails but just did not comprehend what I was asking, even the "technical department" no idea what I was talking about.

THANKS, all!! I found the fittings on BEST FITTINGS, then found Air Venturi fittings at Pyramid for $10 less (freight difference). New QD on the way!! Stainless makes much more sense, agreed. Hateful, I did try to get some info weeks ago from Vevor customer service by email. They had NO...

I bought a Vevor pump several months back and one of the items in the accessories and parts bag was a little brass quick connect fitting. This fitting was very thoughtfully included to help connect any fill probe to the air line and compressor. The trouble is that the threads are much smaller...