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

Hebei Haihao Flange Factory

Hebei Haihao Flange Factory
  • Flange isolation gasket kits-Type D, E, F,O

    Flange isolation gasket kits-Type D, E, F,O

    Flange isolation gasket kits are designed to maintain the integrity and reliability of the pipeline and piping system through safety and corrosion protection.Flange isolation gasket kits provide an effective seal and electrical isolation of flanges. By eliminating metal to metal to metal contact ...

  • Introduction of flange insulation gaskets and insulation kits

    Introduction of flange insulation gaskets and insulation kits

    The flange insulation gaskets and insulation kits are used throughout the world in numerous industry specific applications.These products have proven highly effective and reliable for controlling and maintaining the integrity of piping systems even under the most demanding conditions. Typical Fl ...

  • Interseal 670HS,Intergard 475HS and  Interthane 990 used on the flanges coating

    Interseal 670HS,Intergard 475HS and Interthane 990 used on the flanges coating

    Interseal 670HS,Intergard 475HS and  Interthane 990,these three kinds of paints are mix used on the flanges coating,there will be introduced separately,so that you can choose the right flange coating. Interseal 670HS–Surface Tolerant Epoxy Interseal 670HS is suitable for overcoating intact ...

  • Comparison between slip on ring lap joint flange and butt welding ring lap joint flange

    Comparison between slip on ring lap joint flange and butt welding ring lap joint flange

    A few days ago,a customer asked me about how to distinguish slip on ring lap joint flange and butt welding ring lap joint flange.He wanted to order some products for his construction project.I sent samples of these products to him and also found some documents regarding the products. What is sli ...

  • What is an anchor flange and how to use it

    What is an anchor flange and how to use it

    An anchor flange is a device to restrain pipe movement in a piping system.Anchor flange is an important supporting member of large diameter,high pressure and long distance gas or oil pipeline.It is mainly welded on the gas (oil) pipeline,fixed with cement piers,and partially or completely buried ...

  • Difference between butt welding flanges with neck and plain welding flanges with neck

    Difference between butt welding flanges with neck and plain welding flanges with neck

    Many people can not distinguish butt welding flanges with neck and plain welding flanges with neck(or flat welding flange with neck).Today i would like to introduce the differences between them. 1.Different welding forms: The welding form of flanged pipe with neck flat welding is fillet welding, ...

  • What is a socket welding flange (SW flange)?

    What is a socket welding flange (SW flange)?

    Socket welding flange,a popular type of pipe flange.It is like a slip on flange and used specially for small sizes piping systems.The shape of a socket welding flange is like a slip on flange with a block in the inner bore of the flange which name is socket.And the socket thickness is common sam ...

  • Haihao Group will attend NEFTEGAZ 2019

    Haihao Group will attend NEFTEGAZ 2019

    Hebei Haihao Group is Chinese leading flanges,pipe fittings&steel pipes manufacturer with over 35 years experience.We will attend NEFTEGAZ 2019(the 19th International Exhibition for Equipment and Technologies for the Oil & Gas Industries). Haihao Group will attended NEFTEGAZ 2019 Neftega ...

  • 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 ...