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A new light-weight V-Flange Ring features a V-shaped groove in the inner diameter, so the force is distributed evenly on the flange adapter. The all-plastic ring is made of fiberglass-reinforced polypropylene PP-H (polypropylene homopolymer), has high resistance to ultraviolet light and harsh environments, and provides chemical resistance. It's available in 1/2-inch through 12-inch per ANSI Class 150 standard.