It is kind of fun to watch spectators jump when it does blow unexpectedly.
Little annoying when you find yourself being startled also.
Sincerely
Steve Ciambrone
Sr. Test Engineer
L-3 Ocean Systems
The earlier Roundhouse valves were true 'pop' valves using a s/s
ball Royce.
When they reached pressure they blew with a significant 'pop' as per
the
prototype.
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