Double flange design, the disc is composed of steel plate, steel bar and nylon reinforced fabric.
Nylon fabric is inserted into the disc for strengthening the disc from cracking and breaking during operations.
40 degree angle declined seat which can help quick closure and minimize the water hammer and slamming.
Simple design, top entry bonnet allows for access for cleaning, replacement and maintenance easy.
Comply with BS EN 1074-3 & BS EN 558 F/F dimension.
