Hebei Haihao High Pressure Flange Pipe Fitting Group Co.,Ltd

Hebei Haihao Flange Factory

Hebei Haihao Flange Factory
  • How to use the ASTM A350 LF2 flange?

    How to use the ASTM A350 LF2 flange?

    Normally the ASTM A350 LF2 flanges have weld neck flange,slip on flange,plate flange,socket welding flange,threaded flange,lap joint flange,reducer flange,nozzle flange,orifice flange types.They need to use the gasket bolt and nut to connect,apply to connect the two pipeline.Blind flange apply t ...

  • What is ASTM A350 LF2 forged steel flange?

    What is ASTM A350 LF2 forged steel flange?

    The ASTM A350 LF2 forged steel flange means the flange which material is ASTM A350 LF2.ASTM A350 LF2 has good machinability,dependent on condition,and operations such as sawing,turning,broaching,milling etc.It can be accomplished satisfactorily using standard machine tool manufacturers recommend ...

  • What is ASTM A105N flange?

    What is ASTM A105N flange?

    ASTM A105N steel flange means the steel flange made by A105N material.ASTM A105N steel has no grade in the ASTM A105 standard,N means the heat treatment normalization to the steel. Raw Material Of ASTM A105N Flange ASTM A105 is the most common forged carbon steel material for flanges,but it is n ...

  • What is ASTM A105 steel flange?

    What is ASTM A105 steel flange?

    ASTM A105 steel flange means the steel flange made from ASTM A105 steel grade material.ASTM A105 is a material of carbon steel forgings for piping application,it is used to produce the steel flanges and steel forged pipe fittings.ASTM A105 is the most common carbon steel materials in ANSI and AS ...

  • The introduction about forged steel blind flange and plate cut blind flange

    The introduction about forged steel blind flange and plate cut blind flange

    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 ...

  • Precision tubes order for GPC are inspected in Haihao Group

    Precision tubes order for GPC are inspected in Haihao Group

    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

    Haihao Group will attend the 17th Russia International Oil and Gas Equipment and Technology Exhibition

    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 ...

  • New Tube sheets for heat exchangers are going to finished in Haihao Flange Factory

    New Tube sheets for heat exchangers are going to finished in Haihao Flange Factory

    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 ...

  • What is the difference between working,burst and proof test pressure

    What is the difference between working,burst and proof test pressure

    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 ...

  • The EU imposed anti-dumping duties for stainless steel pipes and fittings from China

    The EU imposed anti-dumping duties for stainless steel pipes and fittings from China

    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 ...

  • Haihao Group finished the customized flange collar order

    Haihao Group finished the customized flange collar order

    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 ...

  • Haihao Factory is producing 5D 180 degree pipe bends for Pakistan Petro Pipeline

    Haihao Factory is producing 5D 180 degree pipe bends for Pakistan Petro Pipeline

    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 ...