FAQ

1. Where does the valve you use in?
2. What kind of medium the valve come into contact with? Water, air, gasoline, lubricator or other?
3. What is your using temperature?
4. What is the opening pressure about the valve?
5. What is the approximate size of the valve? Such as diameter, ID and OD.
6. What is your annual quantity?

Item: Plastic check valve
Type: Duckbill
Port size: 4mm
Body material: ABS
Inner material: Silicone
Opening pressure: 2.5-4.5Kpa
Back pressure: >=100 Kpa