In response to the requirements of a domestic shipyard, Haihao Group has embarked on the production of a batch of ASME B16.5 RF CL150 ASTM A105N SO flange. Quality Assurance: Before shipment, our commitment to quality begins with thorough inspections. Each flange is meticulously coated with rust ...

At Haihao Group, our commitment to delivering top-quality products to our clients is unwavering. Recently, we conducted ultrasonic testing on ASME B16.5 A105N SO flange and ASME B16.5 A105N blind flange  ordered by our esteemed customer in Turkey. We are pleased to announce that both types of fl ...

Non-destructive testing (NDT) refers to a collection of techniques that assess the integrity of materials or components without causing damage to them. These methods provide information about the presence of defects, their size, location, nature, and quantity, aiding in determining the technical ...

In the petrochemical industry, pressure vessels play a crucial role, with pressure vessel flanges being essential components. To ensure their safe operation, pressure vessel flanges need to undergo a series of rigorous inspection procedures, including internal and external inspections, as well a ...

Pressure vessel flanges are essential components widely used in various industries such as petrochemical, power generation, nuclear, and light industries. Serving as fundamental elements for connecting different parts of pressure vessels, these flanges play a critical role in ensuring seamless o ...

Stainless steel flanges, despite their durability and corrosion resistance, can encounter several challenges during the welding process. Here are some common issues to be aware of: Carbonization Due to Repeated Heating: Repeated heating during welding can lead to the dissolution of carbides in s ...

Welcome to Haihao Group, where excellence meets innovation. We are thrilled to showcase our latest achievement: the ASME B16.5 RF A105 SO flanges. In this article, we delve into the specifics of this product, tailored to meet the needs of our esteemed client in the UAE. Product Overview: The ASM ...

Flanges play a crucial role in ensuring the integrity and functionality of piping systems. At Haihao Group, we specialize in understanding the intricate sealing principles of flanges to deliver superior solutions to our clients. GASKET VCS 900 LB TYPE F TEFLON SEAL MYLAR SLEEVES 1 Sealing Mechan ...

Flange sealing is a critical aspect of pipeline integrity, ensuring that connections remain leak-free and secure. However, achieving an effective seal involves a delicate interplay of various factors. Let’s delve deeper into the nuanced elements influencing flange sealing: customized demen ...

In the connection of pipeline systems, it is particularly important to ensure the corrosion resistance of various pipeline system products. Therefore, many pipeline system products such as elbows, flanges, steel pipes, etc. require surface treatment. Not long ago, the orifice flange ordered by a ...

Haihao Group once again demonstrated its professional strength and efficient services in the field of pipeline systems. Recently, we signed an important contract with a customer in Singapore and ordered a batch of ASME B16.5 A105N forged flanges, including slip on (SO) flange and weld neck (WN) ...

ASME B16.5 socket weld flanges, a special type of flange connection, offer enhanced tightness and reliability compared to conventional flanges by incorporating an extended socket section. These flanges are commonly employed in pipelines operating under high pressure, high temperature, or high vi ...