Haihao Group is thrilled to announce that we’ve successfully fulfilled an additional order for a valued client in the United Arab Emirates. This order includes four custom flanges, and we’re proud to have provided bespoke solutions that meet our client’s specific requirements. Custom Flanges Custom Flange Specifications These custom flanges boast the following specifications: Flange Type: Raised Face Class: 300 Flange Diameter: 16 inches (DN 400) Number of Bolt Holes: 1 Bolt Hole Size: 1 Nominal Pipe Size: 16 inches (DN 400) Material: Carbon Steel Pressure Rating: PN 16 Material Grade: ASTM ..read more

Haihao Group is delighted to announce the successful production and upcoming delivery of a batch of ASME B16.5 A105N SO flange to one of our esteemed clients in Indonesia. At their specific request, the flanges have been expertly coated with a sleek black paint finish, adding both aesthetic appeal and corrosion resistance to the products. ASME B16.5 A105N SO black paint flanges quality inspection Prior to shipment, our dedicated team of quality inspectors meticulously examined each flange to ensure compliance with the highest standards. This comprehensive inspection covered aspects such as v ..read more

Haihao Group takes immense pride in catering to the diverse needs of our clients, and our recent collaboration with a domestic customer exemplifies our commitment to excellence in the field of pipeline system solutions. This valued client has entrusted us with the procurement of a variety of flanges, each meticulously designed to meet their specific requirements and industry standards. Let’s explore the tailored solutions provided by Haihao Group: ASME B16.5 flanges ASME B16.5 3″ WN Flange RF SA-105N CL300 SCH.160: Designed to withstand high-pressure environments, this 3-inch raised face wel ..read more

Haihao Group is proud to announce the successful delivery of a batch of ASME B16.5 RTJ 1500 LB weld neck flange to our esteemed customer in the United Arab Emirates (UAE). These flanges come in two specifications: 16″ and 24″, with SCH 100 and SCH 80 ratings. Before delivery, our flanges underwent rigorous inspections and testing to ensure compliance with the highest standards and meet our customer’s requirements. ASME B16.5 ASTM A105N RTJ weld neck flanges Comprehensive Testing for Quality Assurance: Visual Inspection: Our team conducted thorough visual inspections to identify any surface i ..read more

Haihao Group is proud to announce the shipment of DIN28117-A PN10 316L flanges to our esteemed customers in Portugal. As a leading provider of high-quality pipe fittings and accessories, we are committed to delivering top-notch products that meet and exceed industry standards. The DIN28117-A PN10 316L flange is a superior flange designed for a wide range of applications in the piping industry. Crafted from premium grade 316L stainless steel, this flange offers exceptional durability, corrosion resistance, and longevity even in the most demanding environments. DIN28117-A PN10 316L flanges Key ..read more

Haihao Group takes pride in its commitment to precision engineering and professional services. Recently, we received an order from a valued customer in the UAE for ASME B16.5 RF A105 SO flanges.  Detail-Oriented Production: Upon signing the contract, our UAE customer provided detailed drawings specifying the dimensions, hole positions, and other critical features of the flanges. Upon receiving the order, our technical department swiftly organized the production process according to the specifications outlined in the drawings. Every aspect, from the inner and outer diameter dimensions to h ..read more

Haihao Group takes pride in its latest shipment to Indonesian clients, featuring a range of flanges crafted from ASTM A350 LF2 CL1 material, compliant with the NACE MR0175 standard. This marks our 34th batch of products dispatched to Indonesia, showcasing our commitment to quality and reliability. Our clients in Indonesia demanded flanges meeting stringent material requirements, and we were ready to deliver. ASTM A350 LF2 CL1 material boasts impressive specifications, with carbon content below 0.23% and a carbon equivalent below 0.43%. Notably, it withstands low-temperature impacts down to -46 ..read more

When it comes to piping systems for large vessels, such as ships, ensuring the highest standards of quality and safety is paramount. That’s why maritime regulations often require components used in shipboard piping systems to undergo certification by major classification societies like Bureau Veritas (BV). Recently, Haihao Group proudly delivered a batch of ASME B16.5 ASTM A105 Cl150 SO flanges to a domestic shipyard, all of which have been meticulously certified by BV. This certification not only signifies compliance with international standards but also underscores Haihao Group’s commitment ..read more

At the forefront of excellence, our commitment to delivering top-tier products is unwavering. Recently, a discerning client from Russia entrusted us with the production of a specialized product: ASTM A350 LF2 CL.1 DIN 2635 Cl.150 galvanized loose flange. Let’s explore how our meticulous attention to detail and dedication to quality assurance ensure unparalleled satisfaction for our valued customers. Custom galvanized loose flange Tailored Solutions to Meet Unique Needs Understanding the unique requirements of our clients is paramount to our success. In response to our Russian client’s specif ..read more

Haihao Group is proud to announce the production arrangement of a recent batch of flanges for our valued clients in Indonesia. This comprehensive order comprises a variety of specifications, including 1″-12″ ASME B16.5 RF A105 slip on flange , 1″-24″ ASME B16.5 RF A105 WN flange, and ASME B16.5 RF A182 F304 blind flange . With a total quantity nearing 2000 units and a weight of approximately 15 tons, this shipment underscores our dedication to meeting the diverse needs of our clientele. ASME B16.5 flanges Among the various types of flanges included in this order, it’s essential to understand ..read more