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      APCO/Valve and Primer Corporation was Established in 1895.

In the beginning, the firm's name was AUTOMATIC PRIMER COMPANY, or in an abbreviated form....APCO.

As years passed, the trade name APCO steadily gained wider recognition, by Design Engineers, than the true corporate name. Hence, 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 introduced were AIR VALVES and today APCO's the leading producer of the most complete line of AIR VALVES in the world.

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

In 1957, VALVE AND PRIMER CORPORATION introduced it's first check valve line. Since then, there has been a steady introduction of distinctly different APCO Check Valves, Including:

SILENT CHECK VALVES-
    Wafer or Globe styles, pressures to 1500# class, sizes to 42". 无锡亿佰顺机电设备有限公司
SLANTING DISC CHECK VALVES-
    Plain or Hydraulically controlled, pressures to 2500# class, size to 72".
SWING CHECK VALVES-
    Air cushioned or Oil controlled, pressures to 300# class, sizes to 66".
RUBBER FLAPPER SWING CHECK VALVES-
    Plain or Rubber lined, rated 125# class, sizes to 24".
AUTOMATIC CONTROL CHECK VALVES-
    Manual or Motorized, pressures to 300# class, sizes to 48".
DOUBLE DOOR CHECK VALVES-
    In various styles and materials, pressures to 2500# class, sizes to 72".
APCO is a SPECIALTY VALVE MANUFACTURER, capable of building check valves to your specifications up to 120" diameter size.