Dual plate check valve
Wafer double plate check valve is used for pure pipeline and industry, environmental protection, water treatment, high-rise building water supply and drainage pipeline, to stop the medium reverse flow. The check valve adopts butt-clamping type, the butterfly plate is two semicircles, and the spring forced reset, the sealing surface can be body surfacing wear-resistant materials or rubber lining, a wide range of use, sealing and reliable.