Gulf coast oil spill

[squirell nutkin]

Originally Posted by glatt

But how to you cut off the stream from a fire hose nozzel?

There are a number of plumbing tricks to cap water gushing from pipes, whether they would scale up is another question.

One device is a valve with a barbed fitting that slips over a pipe while the valve is open. once it is in place the valve is closed. The greater the pressure the deeper the barb grabs.



Another technique is to cut threads around the outside of the pipe, screw an open valve on and then close the valve. Like shutting off a hose with a nozzle:


There are a couple more possibilities.