Sampling valves are as varied as there are applications. There are many ways to mount or configure the valve to fit your pipe or vessel. The sampling valve name applies to valves that are used for injection, venting, draining, kill valves and sampling. The sizes generally range from 1/4″ to 2″. The can be flanged or threaded or welded to the pipe or vessel. Actuation can be handle, handwheel, spring to close lever, air cylinder or air motor. Integral welded heat jackets are also available.