美国APCO阀门系列产品：

进口美国APCO闸阀、进口美国APCO球阀、进口美国APCO蝶阀、进口美国APCO截止阀、进口美国APCO止回阀、进口美国APCO安全阀、进口美国APCO电磁阀、进口美国APCO过滤器、进口美国APCO减压阀、进口美国APCO针型阀等
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-
圀愀昀攀爀 or Globe styles, pressures to 1500# class, sizes to 42".
SLANTING DISC CHECK VALVES-
伥氀愀椀渀 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-
伥氀愀椀渀 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".