Nibco® Chemtrol® natural PVDF cap fittings are used to seal off plumbing lines and provide dead end service. Available natural PVDF cap fittings are made by Nibco® and belong to the professional Chemtrol® line of products. The Chemtrol® natural PVDF socket cap features a thermoseal fusion female socket connection. They are also available in threaded cap style that features a female NPT thread connection. Sizes come in 1/2" up to 2" NPS diameter. They are manufactured to schedule 80 thickness.