Ball & Plug Valves
A VALVE IS A DEVICE THAT REGULATES, DIRECTS OR CONTROLS THE FLOW OF A FLUID BY OPENING, CLOSING, OR PARTIALLY OBSTRUCTING VARIOUS PASSAGEWAYS.
Valves are technically valves fittings, but are usually discussed as a separate category
VBTT(Trunnion Top Entry Ball Valve)
Materials in accordance to NACE MR 01.75.
Spec.
