One Way Non Return Check Valve Size: Inside diameter:50m/75mm/110mm/160mm/200mm Check valve Material:Plastic. Connection form PVC glue glue. Valve Media: Water. Temperature of Media: Low Temperature. As for the accuracy of workmanship, the vertical reflux water column of this style needs to exceed 1 meter for good check effect (≥ 0.01mpa). There is a possibility of slow seepage below one meter. Air Volume Regulating Valve use for: Control the wind speed, adjust the air volume between 0~90°, can be directly installed on the air duct. Package includes: 1pcs × PVC check valves
One Way Non Return Check Valve Size: Inside diameter:50m/75mm/110mm/160mm/200mm Check valve Material:Plastic. Connection form PVC glue glue. Valve Media: Water. Temperature of Media: Low Temperature. As for the accuracy of workmanship, the vertical reflux water column of this style needs to exceed 1 meter for good check effect (≥ 0.01mpa). There is a possibility of slow seepage below one meter. Air Volume Regulating Valve use for: Control the wind speed, adjust the air volume between 0~90°, can be directly installed on the air duct. Package includes: 1pcs × PVC check valves
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