APCO Willamette Valve & Primer Corporation

APCO / Valve and Primer Corporation was established in 1895. As the years passed, the trade name APCO steadily gained wider recognition. The valves were commonly referred to and specified as APCO VALVES.

AUTOMATIC PUMP PRIMERS were the first products introduced. These were successfully marketed and became the foundation on which to build. Next to be introduced were AIR VALVES, and today APCO is the leading producer of the most complete line of AIR VALVES and CHECK VALVES in the world. Valve and Primer also manufactures the WILLAMETTE metal seated BALL and CONE VALVES.

APCO VALVES are used on pumps and pipelines in Power Plants, Utilities, Municipalities, and Industrial Plants of all types. APCO has furnished VALVES to the ARMY, NAVY, AIR FORCE and COAST GUARD with many critical installations, including MISSILE SITES and NUCLEAR SUBMARINES.