Size: From 1/2" to 40" / DN15-DN1200 WT: SCH 20, SCH 40, STD, SCH80, SCH 100, SCH 120. SCH160, XXS Standard: ASTM, ASME, JIS, DIN, GB, BS Material: Carbon steel, Alloy steel, Stainless steel Type: Blind flange, slip-on flange, welding neck flange, thread flange, socket welding flange Qualification ISO, CE, API Surface treatment: Black paint, yellow varnish, rust-proof oil, hot galv. Application: Petroleum, chemical, power, gas, metallurgy, construction Special design available as requirement
