solvent welding or rubber ring, it’s easy, quick and cost saving.6.Tasteless, odorless, non-toxic.7.Good chemical resistance.8.Not eroded by fungi and bacteria.9.Termites and weather resistance.10.Comparatively lower construction cost as to traditional materials like iron pipe.Municipal UPVC Caps DIN specification：Nom. Size ? ? ?(mm)D1D2L1L22020.325.31629.62525.330.718.531.763232.3539.1522384040.448.82644.15050.4561.053153.86363.5576.9537.569.77575.68845.296.79090.65105.455199.7