Probably have to terminate the fiber before the valve, put a port in to get it out, jump the valve, and then start again in the pipe after it. However once you

Probably have to terminate the fiber before the valve, put a port in to get it out, jump the valve, and then start again in the pipe after it. However once you're inside the house and about to hit the main valve they'd probably just pull the fiber out and put in the box to turn it into a network connection.