440 SERIES FULL LINED DUAL PLATE CHECK VALVE

Technical Specification/技术规格

- Size/规格：DN50-DN600 
- End/连接法兰：ISO PN6/10/16 
- Work Pressure/工作压力：PN16  DN50-DN400  PN10  DN450-DN800
- Work Temperature/工作温度：-20℃～100℃

Structure Character/结构特点

- Small size, light weight, compact structure, easy maintenance; 
- Medium is not in contact with the body, to ensure they are able to work in corrosive media; 
- Using dual-spring design, the load force evenly distributed to each plate, the valve can be closed quickly when the Media reflux; 
- Using shaft fastening screws, effectively preventing shaft runout, avoid valves failures and shaft leaks; 
- Completely sealed, zero leakage pressure test; 
- Suitable for a variety of media; 

Main Components and Materials/主要零件和材质

Dimensions/尺寸