To EN 1451-1. Polypropylene. Do not solvent weld. The actual outside diameters of the pipes are approximately 41 mm (40 mm nominal). The wall thicknesses are about 2 mm.
https://www.bes.co.uk/polypipe-push-fit-40-mm-grey-socket-plug-push-fit-11108/44386Push-fit Socket Plug - 40mm Greyhttps://www.bes.co.uk/media/catalog/product/p/o/polypipe-push-fit-40-mm-grey-socket-plug-push-fit_min_11108_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. The actual outside diameters of the pipes are approximately 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-grey-socket-plug-push-fit_min_11108_L_1.jpgadd-to-cartfacet_type:Socket Plugfacet_sub_brand:AAAspecial_price:1.380000more_sizes:11106,11109products_related:11070,11075,11080,11099,11117,11131,11126,11122,11104,11065,19872,22311sku:11108AAASocket Plug11106,1110911070,11075,11080,11099,11117,11131,11126,11122,11104,11065,19872,22311111081.380000No{"Standards":"BS EN 5254 (EN 1451-1)","Colour":"Grey","Connection":"Push-fit","Diameter":"41 mm","Fitting Type":"Socket Plug","Material":"Polypropylene","Size":"40 mm","Suitable Application":"Push-fit Waste System","Type":"Socket Plug"}UnbrandedGreyPolypropylene40 mm