摆动式止回阀通过在液体逆流前闭合来防止液体回流，防止出现撞击和水锤现象。APCO 摆动式止回阀已成功安装在清洁及污秽应用中，包括污水处理、水处理、配水、工业用水和废水。摆动式止回阀配有美国机械工程师学会（ASME）Class 125/150或 Class 250/300 法兰。设计符合或超过现有版本的美国水行业协会(AWWA) C-508标准。关闭控制设备包括空气缓冲气缸、油控气缸、底部安装缓冲器、手柄与弹簧和手柄与配重。CVS-6000/6000A 两种型号作为可转换型号订到，闭合设备允许现场转换。
Swing Check Valves prevent the back flow of fluid by closing before flow reversal, preventing slam and water hammer. APCO Swing Check Valves have been successfully installed in clean and dirty applications including sewage treatment, water treatment, water distribution, industrial water and wastewater services. Swing Check Valves are available with ASME Class 125/150 or Class 250/300 flanges. The designs meet or exceed the current revision of AWWA standard C-508. Closure control devices include Air Cushioned Cylinder, Oil Controlled Cylinder, Bottom Mounted Buffer, Lever & Spring and Lever & Weight. The CVS-6000/6000A may be ordered as convertible model that allows field conversion of the closure device.
CVS-6000A.pdf
尺寸范围：
2-66" (50-1700mm)
阀体类型：
6000/6000A 系列
额定压力：
最高可达 640 磅每平方英尺（4400 千帕）冷水工作压力
阀体材料：
铸铁或球墨铸铁
Size Range:
2-66" (50-1700mm)
Body Style:
Series 6000/6000A
Pressure Ratings:
up to 640 psi (4400 kPa) CWP
Body Materials:
Cast iron or ductile iron