Because you made a direct, derogatory remark with no evidence of the possibly of such a catastrophic event even being able to happen.
In my experience, that means the person has an outside interest such as selling a competing compressor and shows great disdain with no merit.
Really
The NAVY got so tired of both the DOT and the method used to test carbon fiber bottles that they underwent an exhaustive search of other non-desteuctive testing, an extension of life and new certifications for CF-SCBA.
In the end, ultrasound was chosen due to zero added stress on the fibers...
This really isn't an either/or issue, many have both compressors as well as tanks and dont be put off by the few bad reviews, the venerable Yong Heng compressor, though loud, watercooled and heavy, it's easily repaired, parts are cheap and they can live long lives!
Used SCBA tanks on Ebay are...
That's the valve retention pin. You two have different generations of the Notos.
The solid pin with splines on the other end is a Gen l, ll & lll design. The gen llll has an M3 grub in front of a loose retaining pin.
My guess is that the valve has shifted.
You can send the gun to me for...
I found handpumping to be a real chore and it hurt my shoulders so I bought a Yong Heng compressor and a couple out of date 65 Sq ft bottles with fill stations for filling guns.
Not suggesting or telling you what to do but when you get tired, you know help is out there! 🤪
It's from Tango Sierra, he no longer makes them but I'm hoping to revive the idea and make even quieter as well as a lot stronger at the insert.
This one is 8.5" long and reduces the sound levels to mid 60's at stock settings.
Dave
Firewalker Airsmithing