Viper frozen pipe blow-out - Medium.m4v
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Uploaded by concrete723k on Feb 23, 2010
after freezing a vertical concrete delivery system. we dismantled the pipe, bought them back to our shop and used a wash-out pig, some heat and about 120psi to clear the pipe of the frozen concrete.
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@124dsa
Yes. But, this was WAY more fun.
concrete723k 10 months ago
WOW!! that was only 120 psi in a standard boom pipe length? That was more violent than I expected. the goes to show what can happen during a plug with air ingestion.
You probably know this now, but you should have used a pressure washer to push it out. water is virtually incompressible and cannot build energy like compressed air. If it was pressurized water - even 2000 psi, as soon as the concrete came out, the pressure would instaaneously drop to zero, it would be very anti-climactic.
124dsa 2 years ago