Safety Check Valve
       manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
       Eml: sales@1bengfa.com
       Tel:  +86 (21) 5640 2009
       Mob: +86 138 1691 3072(WeChat Same Account)
       
product drawing

Safety check valves
Usages
Safety check valve is mainly used in the fan-engine outlet of air, compress air, prevents the medium reflowing into the fan-engine and with a function of safe pressure relief.
Performance scope
Nominal pressure:1.6Mpa
Nominal diameter:200mm
Working temperature:≤120℃
Applicable medium: air, compress air
Dimensions & constructral diagram

Safety check valve constructral diagram
The materials of main parts
| No. | Part name | materials | 
| 1 | Body | Carbon steel | 
| 2 | Disc | Carbon steel and rubber | 
| 3 | Shaft | Carbon steel | 
| 4 | Bonnet | Carbon steel | 
| 5 | Upper disc | Carbon steel and rubber | 
| 6 | Low spring seat | Carbon steel | 
| 7 | Stem | Stainless steel | 
| 8 | Spring | Spring steel | 
| 9 | Upper spring seat | Carbon steel | 




