Haihao Group, a leading provider of advanced pipeline solutions, recently completed the production of ASME B16.48 ASTM A516 Gr.70 spectacle blind flanges with a 3mm inconel 625 weld overlay for a key customer in Singapore. These flanges were fabricated in three different sizes—2″, 3″ ...

Weld neck flanges and slip-on flanges are among the most widely utilized flange types, yet many people struggle to distinguish between them. These two flange designs have distinct characteristics that make them suitable for different applications, depending on the specific needs of the piping sy ...

Haihao Group has recently completed the shipment of a customized set of piping system components for one of our valued domestic clients. The shipment includes various sizes of high-quality weld neck flanges and gaskets products, ensuring they meet the specific requirements of their project. The ...

We are delighted to announce a new order from our Singaporean client for the API 6BX RTJ ASTM A694 F65 blind flanges. This product is specifically engineered to meet the rigorous demands of high-pressure environments in the oil and gas industry. In this article, we will delve into the details of ...

Butt welding and socket welding are two common methods of pipe connection, and they differ significantly in several ways. Here are the two types of welding 1.The main differences in connection mode: Butt welding is to place the welds respectively between two clamping devices, so that their end f ...

AGOGO FPSO: A Milestone Achievement On the morning of July 20th, the highly anticipated “super factory at sea,” AGOGO FPSO, departed from the dock, marking the successful completion and delivery of this significant conversion project at China Resources Dalian Shipyard. According to U ...

RSB gasket, also known as flexible graphite composite gasket, also called reinforced graphite gasket or high-strength graphite gasket. This gasket is usually stamped or cut from reinforced graphite plate by professional gasket cutting equipment. It has good corrosion resistance, high/low tempera ...

At Haihao Group, we are committed to the growth and development of the renewable energy sector. Our wind power flanges have become integral components in the advancement of wind energy projects. We are particularly excited to witness and support the latest progress in the offshore wind industry. ...

At Haihao Group, we pride ourselves on delivering high-quality piping system components to meet the needs of our international customers. In this article, we will explore the importance of orifice flanges in industrial applications and highlight a special order placed by one of our valued Russia ...

Hardfacing, also known as overlay welding, is a specialized welding technique used to deposit a layer of wear-resistant or corrosion-resistant material onto the surface of a base metal. This process significantly enhances the durability and performance of metal components, making it a vital meth ...

At Haihao Group, we pride ourselves on delivering high-quality piping components that meet the most stringent industry standards. One of our key products, the ASME B16.20 spiral wound gasket with outer and inner ring, exemplifies our commitment to quality and reliability. These gaskets, essentia ...

Haihao Group is pleased to announce our latest order from a valued Russian client, which includes a specialized transition ring made from ASTM A516 GR.70 material. This product exemplifies our commitment to meeting stringent client specifications and delivering high-quality, customized pipeline ...