Sealants for Dutch nuts klingerit 5 pieces 3/8"

Set of 5 3/8 "gaskets for union nuts. The seals are made of klingerite.Klingerite seals are used for low and high pressure water and steam seals and can withstand temperatures up to 450°C. They are made of asbestos and rubber and are one of the best quality sealants.