Cover plate MHAP3-BP-3 For MHA3-P...-HC/TC and MHP3-P...-HC/TC connection and manifold blocks Corrosion resistance classification CRC=2 - Moderate corrosion stress, Ambient temperature=-10 - 80 °C, Mounting method for sub-base=with through hole, Material of connecting plate=PA-reinforced, Material seals=NBR