Polypropylene is reinforced with fiberglass for additional strength. Self-aligning ball moves freely against the Teflon® seats for smooth operation. The valve opens and closes with little pressure on the handle.
Ball is diamond turned after molding to make it spherically perfect, which provides precise contact between ball and seats.
Viton "O" rings
Teflon® self-lubricating stem bushings and seats cannot stick or bind.