The blind flange have two shapes which are circular shape and plate shape.Many flange factories cut the steel plates to produce the blind flanges,it could reduce the cost and process in the flange production. Large Size Forged Blind Flanges Under Production But the steel plate does not have a sa ...

Hebei Haihao steel pipes department received precision tubes order from GPC Canada,which are as mechanical parts.The inspector from GPC visited our factory to do the trial order inspection. GPC inspector check the dimensions of the precision tube in HAIHAO GPC (Genuine Parts Company) is a leadi ...

Haihao Group will attend the 17th Russia International Oil and Gas Equipment and Technology Exhibition,the exhibition will be held at 17-20 April 2017 in Moscow Ruby Pavilion. Haihao Group Will Attend The 17th Russia International Oil and Gas Equipment and Technology Exhibition The show usually ...

Hebei Haihao Flange Factory is busy producing in the 20 pieces tube sheets.This’s the second phase of the tube sheets order used in heat exchangers,these products will be installed in Australia. Tube sheets are under production in Hebei Haihao Flange Factory The outer diameter of the tube ...

For a piping component,it has a working pressure,proof test pressure and burst pressure.What is the difference between these pressure specifications for pipe fittings and flanges products? Forged steel flange hydro pressure test The working pressure is the working conditions range of the pipe fi ...

In January 27,2017,the European Union(EU) decided to impose definitive anti-dumping duties on imports of the steel products from China and Taiwan to protect struggling steel manufacturers in Europe. Stainless Steel Tubes And Butt Welding Pipe-Fittings Manufacturer In China Butt Welding Stainless ...

Flange collar is a kind of fittings,also called stub end.Flange collar products are working together with lap joint flange(Loose Flange),and according to EN standard and DIN standard(flange standard). Flange Collars For Lap Joint Flange There are different types flange collars even in the same s ...

Hebei Haihao Pipe Fitting Factory succeeded in experimenting and manufacturing the 5D heat induction pipe bends,the products’ size from DN400 to DN500 and the radius in 180 degree.To get this tender from Pakistan and meet the tolerance requirements of the bends,our factory tried a lot to e ...

Haihao Flange Factory finished high pressure and large size flanges on time,the products are used for TOTAL(Total S.A.) projects in Africe,and which are ready for shipment. Forged Weld Neck Flanges Finished In Haihao Flange Factory We received the flange order confirmation for TOTAL project in A ...

After more than 30 years development,Hebei Haihao Group obtained the recognition from the clients and end users of domestic markets and all over the world.We have world-famous clients,such as Exxon Mobil,Shell,CNPC,SINOPEC,Unilever,Chevron,Pemex,Petrobras,Hyandai etc. 50D Radius Pipe Bends Used ...

The Chinese New Year is coming,our factory and staffs are working hard to finish all the goods on time.All clients also want their steel pipes,pipe fittings and flanges to despatch before the long time new year holidays. Forged Weld Neck Flanges In Haihao Group Chinese New Year which also called ...

Hebei Haihao Group received the order request of large size tubes sheets products,and we are producing the tube sheets now.Our clients are leading engineering company,the tubes sheets diameters are around 4 meters,will be used for high capacity heat exchangers in Mid-East market. Client Inspec T ...