Super Provides Lined Ball Check Valves from 25 NB to 200 NBLined Ball Check Valves can be lined with PFA FEP Antistatic PFA PP HDPE PVDF.MOC of the Body and END Piece is CSSS + MIN THK 3MM. PFA FEP PVDF Lining.This Valves are Tested Visually Dimensionally Hydro Test (Body Test, Sheet Test) Spark Test at 15 KVA.