Hebei Haihao High Pressure Flange & Pipe Fitting Group Co.

  • Pipeline pressure testing requirements and procedures

    Pipeline pressure testing requirements and procedures

    Pressure Testing Requirements System Isolation: During pipeline pressure testing, all equipment and pipelines that cannot participate in the test must be properly isolated from the system. If isolation is not possible, the equipment must be approved by the ...
  • The connection and difference between API and ASME standards

    The connection and difference between API and ASME standards

    In the realm of industrial standards, two significant organizations stand out: the American Petroleum Institute (API) and the American Society of Mechanical Engineers (ASME). Both play crucial roles in setting and maintaining standards that ensure safety, ...
  • UAE customer places order with Haihao Group for high-quality pipe fittings and flanges

    UAE customer places order with Haihao Group for high-quality pipe fittings and flanges

    Haihao Group is pleased to announce a significant order from a UAE-based customer, solidifying our position as a leading supplier of high-quality pipe fittings and flanges. The contract includes a range of products manufactured to stringent international s ...
  • Haihao Group delivers quality pipe fittings to Shanghai client

    Haihao Group delivers quality pipe fittings to Shanghai client

    Haihao Group is proud to announce the successful shipment of a substantial order to our esteemed client in Shanghai. This consignment, comprising high-quality pipe fittings, underscores our commitment to excellence and our ability to meet the diverse needs ...
  • Haihao Group produces high-quality pipeline system components for Bangladeshi customer

    Haihao Group produces high-quality pipeline system components for Bangladeshi customer

    Haihao Group is pleased to announce the successful production of a batch of pipeline system components for our valued customer in Bangladesh. This production run includes stud bolts with two nuts and ASME B16.20 metal spiral wound gaskets, showcasing our c ...
  • Haihao Group ships high-quality pipeline products to UK Customer

    Haihao Group ships high-quality pipeline products to UK Customer

    Haihao Group is excited to announce the successful shipment of a range of high-quality pipeline products to our esteemed customer in the United Kingdom. This shipment underscores our commitment to delivering top-tier products and exceptional service to cli ...
  • Premium ASTM A333 Gr.6 Seamless Steel Pipes by Haihao Group

    Premium ASTM A333 Gr.6 Seamless Steel Pipes by Haihao Group

    Haihao Group proudly offers high-quality ASTM A333 Gr.6 seamless steel pipes, adhering to the stringent standards set by the American Society for Testing and Materials (ASTM). These pipes are specially designed for low-temperature applications and other us ...
  • MSS SP-97 ASTM A105N Sockolet

    MSS SP-97 ASTM A105N Sockolet

    At Haihao Group, we are committed to delivering top-notch piping solutions that meet the diverse needs of our clients. The MSS SP-97 ASTM A105N sockolet is a critical component in high-pressure and high-temperature piping systems, providing reliable and ro ...
  • Introduction to flat face and raised face flanges

    Introduction to flat face and raised face flanges

    At Haihao Group, we pride ourselves on delivering high-quality piping components tailored to meet diverse industry needs. Today, we are pleased to introduce our flat face (FF) and raised face (RF) flanges, designed with precision and care to ensure optimal ...
  • ASME B16.9 BW SCH80 Inconel 625 Straight Tees

    ASME B16.9 BW SCH80 Inconel 625 Straight Tees

    Haihao Group, a leading name in the piping systems industry, is proud to announce the production of ASME B16.9 BW SCH80 Inconel 625 straight tees for a valued domestic customer. This product is a testament to our commitment to delivering high-quality, reli ...
  • Singapore customer orders ASME B16.9 ASTM A234 WP5 90°LR Elbow from Haihao Group

    Singapore customer orders ASME B16.9 ASTM A234 WP5 90°LR Elbow from Haihao Group

    Haihao Group is thrilled to announce the recent order placed by our valued customer in Singapore for the ASME B16.9 ASTM A234 WP5 90° LR elbows. This order highlights our dedication to providing top-notch piping solutions tailored to meet the unique requir ...
  • Haihao Group ships high-quality piping components to Malaysia

    Haihao Group ships high-quality piping components to Malaysia

    Haihao Group is pleased to announce the successful shipment of a variety of high-quality piping components to our valued customer in Malaysia. This shipment underscores our commitment to providing top-notch products that meet international standards and ca ...
  • Introducing EN 10253-2 SMLS P275NL1 90° LR Elbow

    Introducing EN 10253-2 SMLS P275NL1 90° LR Elbow

    In the bustling world of piping systems, precision and reliability are paramount. It’s in this spirit that Haihao Group proudly presents our latest endeavor: fulfilling an order from our esteemed Romanian client for the EN 10253-2 SMLS P275NL1 90° LR ...
  • Haihao Group arranges the production of Russian standard pipeline system supporting products for Bangladeshi customers

    Haihao Group arranges the production of Russian standard pipeline system supporting products for Bangladeshi customers

    Introducing the latest project from Haihao Group: a bespoke pipeline system crafted for our esteemed client in Bangladesh. This endeavor underscores our unwavering commitment to delivering excellence and exceeding industry standards. This comprehensive ord ...
  • Haihao Group is honored to provide high-quality pipeline solutions to Latvian customers

    Haihao Group is honored to provide high-quality pipeline solutions to Latvian customers

    We are thrilled to announce that Haihao Group has successfully shipped a batch of premium pipeline solutions to our esteemed client in Latvia. This shipment includes a variety of high-quality pipe fittings, designed to meet the stringent requirements of ou ...
  • Haihao Group successfully manages urgent order for malaysian client

    Haihao Group successfully manages urgent order for malaysian client

    At Haihao Group, we take pride in our commitment to delivering top-quality pipe fittings and exceptional customer service. Recently, we received an urgent additional order from one of our esteemed clients in Malaysia. This order includes the production of ...
  • Precautions for transporting carbon steel and stainless steel pipe fittings together

    Precautions for transporting carbon steel and stainless steel pipe fittings together

    When transporting carbon steel and stainless steel pipe fittings together, special attention must be paid to ensure the quality and integrity of both materials. 1.Separate Packaging Prevent Cross-Contamination: When carbon steel and stainless steel are tra ...
  • Ensuring quality and safety: inspection procedures for coated steel pipes

    Ensuring quality and safety: inspection procedures for coated steel pipes

    Coated steel pipes undergo a rigorous inspection process to ensure their quality and reliability. These pipes, which are coated with a layer of protective material on their inner or outer surfaces, play a crucial role in various fluid transportation applic ...
  • Understanding API 5L steel pipe standards

    Understanding API 5L steel pipe standards

    In the dynamic realm of pipeline systems, the quality and reliability of steel pipes are paramount. Enter API 5L, the gold standard for pipeline steel pipe specifications. Within this standard, there exist two distinct levels of quality: PSL1 and PSL2, den ...
  • MSS SP-97 ASTM A182 Gr.F304/304L sweepolet meets the needs of Russian customers at -196 degrees celsius

    MSS SP-97 ASTM A182 Gr.F304/304L sweepolet meets the needs of Russian customers at -196 degrees celsius

    We are pleased to announce that Haihao Group has successfully completed an order from our esteemed Russian customer, one of which is MSS SP-97 ASTM A182 Gr.F304/304L sweepolet. The product stands out for its excellent quality and suitability for extremely ...