Swing check valve Multi NB 700 - 1500 series

flange

The Multi NB 700 to 1500 is a inclined flap outlet flap valve with an ISO PN 10 flange for fitting onto a vertical divider that has a grade 1.4401 (316) stainless steel tap-in anchor bolts supplied or to a common PN10 flange. Just like the Multi NB 200 to 600 inclined flap outlet flap valve, it's designed to prevent any flowing of water into the outlet however is sized to suit larger pipes with nominal bores from 700mm to 1500mm. The power drill is needed with an 8mm (700–800 sizes) or 12mm drill bit, a 13mm (700–800 sizes) or 19mm spanner, hammer, anchor bolts equipped with the unit, and the top which the flap valve is to be matched to a flat, smooth and vertical.