How To Choose Sanitary Check Valve?

The selection criteria of Sanitary Check Valve are as follows:
1. For medium and high pressure check valves with nominal diameters between DN50mm and DN600mm, swing check valves should be used.
2. For medium and low pressure check valves with nominal diameters between DN200mm and DN1200mm, wear-free ball check valves should be used.
3. For medium and high pressure check valves with nominal diameters below DN50mm, vertical lift check valves and straight lift check valves should be used.
4. For low pressure check valves with nominal diameters between DN50mm and DN2000mm, butterfly check valves and diaphragm check valves should be used.
5. For low pressure check valves with nominal diameters below DN50mm, butterfly check valves, vertical lift check valves and diaphragm check valves should be used.