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 BV, ABS and ISO
Surface treatment: Black paint, yellow varnish, rust-proof oil, hot galv.
Application: Petroleum, chemical, power, gas, metallurgy, construction
Special design available as requirement.

Haihao Group, set up in 1982, is one of the biggest manufacturers in high pressure flange pipe fitting. Have more than 30 years experiences in the line of metal flanges & pipe fittings, include pipe and tube, elbow, joint, tee and cross, reducer, bend, flanges, can supply the products with standard ASME/ANSI, JIS, DIN, or non-standard according customer's drawings.