VAT Series S022/032 Rectangular Gate Valve Monovat. Direct DN special. Flange side a DN, Side B larger than A. Sizes >56mm opening. Valve Type: A, B. Insert C. 4 Available. Four units available with the following part numbers: 1. Inv. No. 60890 P/N 0220X-BA24-CCY1/0017. 2. Inv. No. 60891 P/N 0220X-BE24-CDE2.3. Inv. No. 60892 P/N 0220X-BE24-CDE2. 4. Inv. No. 60893 P/N 0220X-BE24-CDE2.