DIN PPH Van-stone Flange Manufacturer: DIN Standard PPH Van-stone Flanges, DN20-DN63, 20 - 63 mm, 3/4 Inch - 2-1/2 Inch.
JIS UPVC One-piece Pipe Flange Provider: UPVC Plastic One-piece Flanges, 16A, 20A, 25A, 32A, 40A, 50A, 65A, 75A, 100A, 150A, 200A, 250A, JIS Standard.