Hebei Haihao High Pressure Flange & Pipe Fitting Group Co.

  • Manufacturing process Of mitre elbow

    Manufacturing process Of mitre elbow

    Manufacturing Process: The manufacturing of mitre elbows involves modern techniques such as computer-aided design (CAD) drafting to ensure precise results. The CAD system calculates the lengths of the straight segments, which form the mitre elbow, ensuring ...
  • How to determine if a valve is leaking internally or externally?

    How to determine if a valve is leaking internally or externally?

    In the daily operation of valves, one of the most common issues encountered is leakage. Valve leakage generally manifests in two forms: internal leakage and external leakage. Understanding the difference between the two is essential for effective troublesh ...
  • Haihao Group provides custom T-Strainers for pipeline systems

    Haihao Group provides custom T-Strainers for pipeline systems

    As a leading expert in the pipeline system field, Haihao Group is committed to offering comprehensive solutions to our clients’ pipeline challenges. Recently, we received an order from a customer in Russia who provided us with detailed drawings for a ...
  • What is a steam trap and the importance of steam traps?

    What is a steam trap and the importance of steam traps?

    Steam traps are crucial components in steam systems, designed to automatically discharge condensate, air, and non-condensable gases from the system while preventing the release of steam. These devices ensure the efficient and safe operation of steam equipm ...
  • Haihao Group secures major order for ASME B16.9 A420 GR WPL6 seamless pipe fittings from Brazilian customer

    Haihao Group secures major order for ASME B16.9 A420 GR WPL6 seamless pipe fittings from Brazilian customer

    Haihao Group, a leading manufacturer of high-quality pipe fittings and valves, is proud to announce a significant order from a valued Brazilian customer. The order comprises ASME B16.9 A420 GR WPL6 seamless 90-degree elbows and concentric reducers, further ...
  • Applications of check valves and their importance in pipeline systems

    Applications of check valves and their importance in pipeline systems

    Check valves play a crucial role in preventing backflow in pipeline systems. They are commonly installed at the outlets of pumps and compressors to ensure that the medium flows in the intended direction. In general, check valves are essential for protectin ...
  • Essential fasteners and components for piping systems

    Essential fasteners and components for piping systems

    In a piping system, fasteners and accessories play a crucial role in ensuring secure connections, stability, and durability. At Haihao Group, we provide a comprehensive range of fasteners and components to meet the diverse needs of our clients. Recently, w ...
  • Haihao Group supplies high-quality ASME B16.9 A234 WP5 pipe fittings to Iran

    Haihao Group supplies high-quality ASME B16.9 A234 WP5 pipe fittings to Iran

    Haihao Group, a leading global manufacturer of industrial pipe fittings, is proud to announce the successful delivery of a customized order to clients in Iran. The shipment includes 90-degree seamless elbows, seamless eccentric reducers, and seamless equal ...
  • Haihao Group delivers premium MSS SP-97 ASTM A182 F51 weldolets to Singapore client

    Haihao Group delivers premium MSS SP-97 ASTM A182 F51 weldolets to Singapore client

    Haihao Group, a trusted and leading manufacturer of high-quality piping components, is pleased to announce the successful completion and shipment of a significant MSS SP-97 weldolet order to a valued customer in Singapore. This latest achievement underscor ...
  • High-quality butt weld reducing tee solutions by Haihao Group

    High-quality butt weld reducing tee solutions by Haihao Group

    When it comes to reliable and efficient piping systems, the butt weld reducing tee plays a pivotal role in directing and controlling fluid flow across industries. At Haihao Group, we specialize in manufacturing premium butt weld reducing tees that meet glo ...
  • How many types of tees are there in piping systems?

    How many types of tees are there in piping systems?

    Tees are essential pipe fittings used to connect three sections of pipe, allowing fluid or gas to flow through the pipeline. Depending on their application and design, tees can be classified in various ways. In this article, we’ll explore the differe ...
  • Premium ANSI B16.11 ASTM A105 threaded caps produced by Haihao Group have passed the quality certification

    Premium ANSI B16.11 ASTM A105 threaded caps produced by Haihao Group have passed the quality certification

    At Haihao Group, we take pride in delivering top-notch piping solutions tailored to meet the specific needs of our clients. Recently, we completed an order for ANSI B16.11 ASTM A105 threaded caps for one of our valued customers in Singapore. Our commitment ...
  • Haihao Group delivers ASME B16.9 45° and 90° long radius, short radius elbows for Belarusian client

    Haihao Group delivers ASME B16.9 45° and 90° long radius, short radius elbows for Belarusian client

    Haihao Group has recently completed an important order for a Belarusian client, manufacturing a range of ASME B16.9 45° and 90° long radius elbows, short radius elbows, and fittings. These components are made from high-quality materials, including ASTM A23 ...
  • A comprehensive overview of ASTM A335 GR P5 SMLS pipe and its chemical composition

    A comprehensive overview of ASTM A335 GR P5 SMLS pipe and its chemical composition

    Haihao Group takes pride in delivering high-quality piping solutions that meet the most demanding industry standards. As part of our rigorous quality control process, we recently conducted chemical composition testing on ASTM A335 GR P5 seamless pipes, whi ...
  • The importance of wall thickness inspection for pipe fittings

    The importance of wall thickness inspection for pipe fittings

    In the production of pipe fittings, ensuring precise dimensions and consistent wall thickness is essential for both performance and reliability. At Haihao Group, we recognize that quality assurance is a cornerstone of delivering products that meet the dema ...
  • EN 10253-2 SMLS reducing tees For Singapore customer

    EN 10253-2 SMLS reducing tees For Singapore customer

    In the diverse world of pipe fittings, the EN 10253-2 SMLS reducing tee stands out as a key component for connecting pipelines of different diameters. These fittings, made from seamless (SMLS) carbon steel and adhering to the EN 10253-2 standard, provide r ...
  • Why the wall thickness of large end and small end of reducers is different

    Why the wall thickness of large end and small end of reducers is different

    Reducers, also known as reducing fittings or reducer joints, are widely used components in various piping systems. Their primary purpose is to connect pipes of different diameters to meet the design and operational requirements of the pipeline system. One ...
  • Exploring MSS SP-97 P280GH Forged SW Union (Socket Weld Union)

    Exploring MSS SP-97 P280GH Forged SW Union (Socket Weld Union)

    In a recent collaboration with a Singapore-based client, Haihao Group delivered a series of high-quality piping components designed to meet the stringent requirements of industrial projects. Among these components was the MSS SP-97 P280GH forged SW union ( ...
  • Supplying ASME B16.9 reducing tee for UAE client

    Supplying ASME B16.9 reducing tee for UAE client

    Recently, Haihao Group signed a contract with a valued client from the United Arab Emirates (UAE) to supply high-quality ASME B16.9 reducing tees. These products are tailored to meet the stringent requirements of their applications in challenging environme ...
  • The Russian customer customised the GOST 17375-2001 45° LR ASTM A403 WP316 elbow

    The Russian customer customised the GOST 17375-2001 45° LR ASTM A403 WP316 elbow

    Haihao Group recently received an order from a valued Russian client for GOST 17375-2001 45° LR Elbows made from ASTM A403 WP316 stainless steel. This project demonstrates our commitment to meeting international standards and providing high-quality product ...