1. Standard: ANSI,JIS,DIN,GB,HG. 2. Certificate: ISO 9001 3. Advantages: professional, durable 4. Material: stainless steel ITERMSDESCRIPTIONFlange TypeBLSize1/2”-24”PressureClass150-class2500Seal SurfaceRF, FM/M, T/G, FFStandard ANSI,JIS,DIN,ASME,GB,EU or as your drawingsApplication FieldsWidely used in many fields, such as papers, ship-building, petrol, chemistry, electricity, gas, sewage, ...