• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
Short radius elbow refers to the radius of curvature is equal to the diameter of the pipe bend, is often said that 1 times. D mean to elbow diameter. Short Radius Elbow(SR Elbow) Short radius is generally used in low pressure fluid or bend with limit of the installation place. If there are no re ...

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Long Radius Elbow(LR Elbow) Long radius elbow refers to the curvature of the bend radius is 1.5 times the diameter of the pipe; If more than 1.5 times, is the category of bend. Long Radius Elbow-Haihao Group Short radius elbow refers to the radius of curvature is equal to the diameter of the pi ...

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180 Degree Elbow A pipe elbow is one kind of pipe fittings which can change the liquid or gas flowing direction in a piping system. It is mainly used to connect two pipes,sometimes called a “quarter bend”. 180 Degree Elbow   180 degree elbow is like 45 or 90 degree elbow, but the flow direc ...

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In modern piping systems, the butt weld 45° elbow serves as a critical component for redirecting flow while minimizing pressure loss and turbulence. At Haihao Group, we specialize in manufacturing these elbows to the highest international standards, offering unparalleled material diversity, rigo ...

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In the intricate world of piping systems, the butt weld 90 degree elbow stands as a critical component, enabling seamless directional changes in fluid transportation networks. As a leading global manufacturer, Haihao Group specializes in delivering high-quality elbows that meet the stringent dem ...

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BS4504 PN16 Stainless Custom Slip On Flange  Followings are the definition, information and application of  various types of flanges: We produce Custom Slip On(SO) Flange according to standard: BS4504,JIS B2220,ASME/ANSI B16.5,DIN 2573,DIN 2576,DIN 2501,DIN 2502,DIN 2503,DIN 2543,DIN 2544,DIN 25 ...

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Flange-Olet Definition: A Flange-olet (Flange-outlet) is also called Nipoflange or Weldoflange, its shape looks like a Long weld neck flange. It could be regarded as a combination of a long weld neck flange and a weldolet , or a nipolet welded with a weld neck flange. EN1092 PN16 DN100 A105 RTJ ...

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At Haihao Group, we take pride in producing high-quality A105 reducing weld neck flanges, designed for critical piping systems that require smooth flow transitions and reliable sealing. Our forged flanges are engineered to meet ANSI/ASME B16.5 standards, ensuring compatibility and safety in dema ...

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A pipe flange is disc, collar or ring that attaches to pipe with the purpose of providing increased support for strength, blocking off a pipeline or implementing the attachment of more items.  Pipe flanges are usually welded or screwed to the pipe end and are connected with bolts. In different p ...

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ANSI/ASME B16.5 Stainless Steel Rolled Forged Ring Flange The Rolled-forging ring produced by Hebei haihao group means the large size ring flanges produced by rolled forging, not the open die forging process. From the shape, it is a customized flange of plain type, weld neck shop or other types, ...

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ASTM A694 F52 Carbon Steel 1500LB SCH160 Anchor Flange An anchor flange is a device to restrain pipe movement in a piping system, it looks like a weld neck flange but has two hubs on the both sides to weld with the pipes, but there is no bolt bores on the anchor flanges. ASTM A694 F52 Carbon Ste ...

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ASTM A105 Reducing Weld Neck Flange Reducing flange is a special flange used to connect two different diameters pipes in a piping system, commonly it is joint together with a regular standard flange. ASTM A105 Reducing Weld Neck Flange   Data Of Flange: Standard:   ANSI/ASME B16.5, ANSI/ASM ...

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Reducing flange is a special flange used to connect two different diameters pipes in a piping system, commonly it is joint together with a regular standard flange. Reducing Pipe Slip On Flange Type of the reducing flange: Hebei haihao flange factory can design and produce the reducing flange as ...

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A Flange-olet (Flange-outlet) is also called Nipoflange or Weldoflange, its shape looks like a Long weld neck flange. It could be regarded as a combination of a long weld neck flange and a weldolet , or a nipolet welded with a weld neck flange. Flange Olet Pipe Nipoflange Application of Flange-o ...

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Definition Of Overlay Flange: Flange overlay is used to connect different – material pipeline,for example,if we want to connect carbon steel pipe to 304 steel pipe,we could use A105 flange,and weld SS304 overlay to flange face.Pls check below drawing to get a better understanding. The only ...

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ANSI/ASME Tube Sheet SPECIFICATION: A tube sheet is usually made from a round flat piece of plate,sheet with holes drilled to accept the tubes or pipes in a  accurate location and pattern relative to one another.The tube sheets are used to support and isolate tubes in heat exchangers and boiler ...

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Flange overlay is used to connect different – material pipeline,for example,if we want to connect carbon steel pipe to 304 steel pipe,we could use A105 flange,and weld SS304 overlay to flange face.Pls check below drawing to get a better understanding. TYPE: Slip-On flange, Welding Neck ...

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We manufacture flange pipe fittings with the premium quality raw materials. Our flanged pipe fittings ensure high durability and strength. Our range of flanged pipe fittings caters to various industrial requirements. We offer these flanged pipe fittings in different sizes and lengths in order to ...

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Wind power flange is also called wind tower flange, wind tower flange is the key of wind power tower connecting piece, a supporting piece and stress, are important components of wind power generation equipment manufacturing, to have very strict requirements.   Size Weld neck flange:1/4& ...

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Wind power flange is also called wind tower flange, wind tower flange is the key of wind power tower connecting piece, a supporting piece and stress, are important components of wind power generation equipment manufacturing, to have very strict requirements. Wind Tower(Power) Flange  Size  1/ ...

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A tube sheet is a plate, sheet, or bulkhead which is perforated with a pattern of holes designed to accept pipes or tubes. These sheets are used to support and isolate tubes in heat exchangers and boilers or to support filter elements. Depending on the application, a tube sheet may be made of va ...

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Flange overlay is used to connect different – material pipeline,for example,if we want to connect carbon steel pipe to 304 steel pipe,we could use A105 flange,and weld SS304 overlay to flange face.Pls check below drawing to get a better understanding. Overlay Clad Flange TYPE: Slip-On flan ...

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RTJ flanges have grooves cut into their faces which accept steel Ring Gaskets.RTJ flanges seal when tightened bolts compress the gasket between the flanges into the grooves,deforming(or “Coining”) the gasket to make intimate contact inside the grooves,creating a metal to metal seal. ...

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We manufacture flanged pipes with the premium quality raw materials. Our flanged pipes ensure high durability and strength. Our range of flanged pipes caters to various industrial requirements. We offer these flanged pipes in different sizes and lengths in order to meet the various requirements ...

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