Pvc end caps, PVC Fittings especially for Industrial, Chemical and Water treatment. The offered fittings are manufactured by using ultimate quality raw material and highly developed technology keeping in mind the set international standards, As well, this fittings are specifically tested upon numerous quality parameters to ensure its durability. At 20ºC (73ºF) D16 – D140: PN 16 D160 – D315: PN 10 Threaded fittings: PN 10 Tested and approved by the world’s premier certification institutes. Strength. Fittings offer both high impact and high tensile strength.