To EN 1451-1. Polypropylene. Do not solvent weld. The actual outside diameters of the pipes are approximately 34.5 mm (32 mm nominal), 41 mm (40 mm nominal); the wall thicknesses are about 2 mm.
https://www.bes.co.uk/polypipe-push-fit-40-mm-x-32-mm-grey-reducer-push-fit-11102/35305Push-fit Reducer - 40mm x 32mm Greyhttps://www.bes.co.uk/media/catalog/product/p/o/polypipe-push-fit-40-mm-x-32-mm-grey-reducer-push-fit_min_11102_P_1.jpg1.381.38GBPInStock/Plumbing Supplies/Plumbing/Waste Water/Pipe & Fittings/Push-fit/Our Brands/FloPlast308141151273074307530778To EN 1451-1. Polypropylene. Do not solvent weld. <br>The actual outside diameters of the pipes are approximately 34.5 mm (32 mm nominal), 41 mm (40 mm nominal); the wall thicknesses are about 2 mm.Unbranded00https://www.bes.co.uk/media/catalog/product/p/o/polypipe-push-fit-40-mm-x-32-mm-grey-reducer-push-fit_min_11102_L_1.jpgadd-to-cartfacet_type:Reducerfacet_sub_brand:AAAspecial_price:1.380000more_sizes:11103,11104products_related:11068,11097,11124,11063,11115,11114,19869,11129,19277,15119,22310,21501sku:11102AAAReducer11103,1110411068,11097,11124,11063,11115,11114,19869,11129,19277,15119,22310,21501111021.380000No{"Standards":"BS EN 5254 (EN 1451-1)","Colour":"Grey","Connection":"Push-fit","Diameter":"34.5 mm","Fitting Type":"Reducer","Material":"Polypropylene","Size":"40 x 32 mm","Suitable Application":"Push-fit Waste System","Type":"Reducer"}UnbrandedGreyPolypropylene40 x 32 mm