... Standard: GB, ANIS, JIS, BS, DIN, UNI Name:alloy steel flangeSpecifications: DN10---DN2000Thickness: sch 5s-----160Standard: GB, ANIS ... BS, DIN, UNI Material: carbon steel , stainless steel, alloy steelPacking: wooden cases or according to the customer's requirementQuality ... industries such as gas burning,urban constructions, hot-water heating, war industry, fire control and environment protection, etc ...