FKM (VITON TYPE) SEALS. PRECISION MOLDED POLYPROPYLENE IS REINFORCED WITH FIBERGLASS FOR ADDITIONAL STRENGTH. SELF-ALIGNING BALL MOVES FREELY AGAINST THE PTFE SEATS FOR SMOOTH OPERATION. THE VALVE OPENS AND CLOSES WITH VERY LITTLE PRESSURE ON THE HANDLE. THE BALL IS DIAMOND TURNED, AFTER MOLDING, TO MAKE IT SPHERICALLY PERFECT, WHICH PROVIDES PRECISE CONTACT BETWEEN BALL AND SEATS. SELF-LUBRICATING STEM BUSHINGS. STAINLESS STEEL BOLTS-BAJV200FP>