In the field of piping, ASME B16.11 is the standard that governs the requirements for forged fittings, including elbow, tee, cross, coupling, and union, among others. Meanwhile, ASTM A182 F304 is the specification for forged or rolled alloy and ...

B36.10M A53 Gr.B steel pipes are widely used in many industries. However, to ensure the durability and longevity of these pipes, they need to be protected with a coating. One such coating is the 3PE coating, which is widely used on B36.10M A53 Gr.B steel p ...

The blind flange RF ASTM A182 Gr.F304/304L is a high-quality flange produced by Haihao Group. This flange is specially designed to provide a reliable and leak-proof seal for pipe ends and vessels that require closure. Made from ASTM A182 Gr.F304/304L mater ...

The Arctic 2 project has very strict quality inspection requirements for products. Our range of ASTM A403 Gr. WP304/304L ASME 90 degree elbows/tees and reducers, ASTM A182 F304/ 304L / F316/ F316L ASME B16.5 weld neck flanges,ASTM A182 Gr.F304/ 304L ASME B ...

We are proud to have successfully supplied products to the Arctic 2 project. This was a challenging project that required us t provide products that could withstand extreme temperatures and harsh environmental conditions. We rose to the challenge and provi ...

Haihao Group had recently supplied a batch of flange products to their customers. The products were of high quality, and the company had ensured that they adhered to the required standards. The product list included a range of flange types, such as ASTM A3 ...

At the beginning of this year, Saudi customers ordered a batch of B16.49 API5L GR.B elbows, B16.9 A234WPB tees, AWWA C207 CLASS E HUB slip on flanges, B16.47 A weld neck flanges and blind flanges in Haihao and other accessories. According to the customer&# ...

As a company specializing in the research, development, production, and sales of pipeline engineering supporting products, Haihao Group often receives orders from around the world. At the beginning of this year, a Saudi Arabian customer’s oil project ...

As an enterprise dedicated to providing customers with one-stop pipeline engineering products and services, Haihao Group not only has rich pipeline supporting products, but also has the ability to provide customers with coating treatment and engineering so ...

Valve is a widely used equipment, which can be found almost anywhere. It is active in the streets, houses, power plants and paper mills, refineries and various infrastructure and industrial facilities. In recent years, Haihao has gradually and increasingly ...

The function of the reducer is to make the pipe diameter change. From the direction of fluid movement, most of them change from large to small, and some of them change from small to large. For example, the reducer of steam return pipe and sewer pipe change ...

Due to the special marine environment, the products used on FPSOs often have higher quality requirements. It is necessary to take into account various factors such as the changeable weather on the sea, sea water corrosion, sea water impact and so on. There ...

Not long ago, the world’s largest natural gas processing FPSO that Haihao participated in the supply completed the trial run. In this cooperation, Haihao has fully demonstrated its professional level. When ordering flanges and other products, the cus ...

Endeavour for 40 years, passion for the future. In 1982, Hebei Haihao Group officially established its factory in Mengcun County, the hometown of pipe fittings in China. From a few people to more than 700 people, Haihao has always put product quality and s ...

The following is a set of product drawing provided by British customers, it may be a railing for stairs. We are good at prefabricated goods, so we are very willing and professional to produce these drawing products. Drawing for prefabricated product Stanch ...

Rumaila Oilfield is located 50 kilometers west of Basra in southern Iraq. It is a giant oilfield, ranking sixth in the world. The amount of external procurement is very large every year. Our company supplies oil, gas, shipbulding, water treatment and other ...

Our company specialized in producing flanges and pipe fittings. It is also a professional work for us to weld fittings and flanges together. In addition, prefabricated products are also our advantages. We often produce some non-standard products according ...

The year 2023 is approaching us with vigor and vitality. In the New Year, Haihao Group will stay true to its original intention and forge ahead, working hand in hand with you to create a better world. Haihao Group

The compression type fittings are a hydraulic system that connects different hydraulic components to form a closed loop, and it is a fitting for connection. The descriptions are similar: UNION TEE, EQUAL, COMPRESSION TYPE, STAINLESS STEEL GRADE 316, TUBE X ...

This month Indian client two orders it’s ready to ship! One it’s A234 WPB seamless butt weld elbow and reducer! Another it’s stainless A403 WP316 elbow and tee! This year I got many inquiries from this client, of course the order quantity ...