tions, 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-
WaferorGlobe 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-
PlainorHydraulically controlled, pressures to 2500# class, size to 72.
SWING CHECK VALVES-
Air cushionedorOil controlled, pr