I.D20~50mm PVC Flap Valve Check Valve

Size: inner diameter (20mm-63mm)
Details
Origin: China
Product Name: UPVC Check Valve
Color: Dark Gray
Connection Mode: Use UPVC Glue To Connect
Material: UPVC (Environmental protection material, safe and non-toxic)

It can be installed horizontally or vertically.
When installed horizontally, the part with the arrow should be on the top.

Use Installation Instructions:
The joint connect with UPVC pipe. After applying PVC glue to the joints and pipes, insert it in 1 minutes. After 15 minutes, the glue solidified initially and had a certain intensity after 2 hours. 24 hours later, the effect will be better.