Flat imperial link "BS" Hidroten accessory kit for mounting butterfly valves (UP. 82. RA). Includes flanges with sleeve (fixed flange) and the screws required in each case. Available in sizes from D 1 1/2" to D 8".
https://www.piscinayspa.com/en/pool-accessories/156/pvc-accessories/11099/bs-flat-imperial-link/FS11099Enlace imperial plano "BS"https://www.piscinayspa.com/fotos/productos/enlace-imperial-plano-bs-1.jpg34.0734.07InStockHidrotenSwimming Pool Accessories/PVC Accessories/Hidroten5