1.Standard: Conforms to EN1074-5/BS EN1567
2.face to Face: EN558-1/ISO5752 Series 1
2.Flange drilled to BS EN1092-2/ISO7005-2/ANSI/JIS/AS2129/BS10 T/D T/E
3.Material: Ductile Iron, Stainless Steel, Bronze
4.Normal Pressure:PN10/16/20/25/40, Class 125/150/300
5.Size: DN50-600