Public Speaking 101

:rofl

What a clown.

:lol his glasses and hair and t shirt and gestures and fuckups are awesome

A pinch valve is a full bore or fully ported type of control valve which presents no obstruction to flow passage. There are a few types of pinch valves based upon application…Pinch valves used for fluids usually employ a device that directly contacts process tubing. Forcing the tubing togethor will create a seal that is equivalent to the tubing’s permeability.