There are seven common reasons for flange leakage: 1.The pipeline and flange are not vertical and concentric, and the flange surface is not parallel. When the internal medium pressure exceeds the load pressure of the gasket, flange leakage will occur. 2.The pipe and flange are vertical, but the ...

The global wind power industry has a history of more than 40 years. With the global energy structure changing to low-carbon and the energy consumption structure continuously optimizing, wind power as a renewable energy, has developed rapidly in recent years and the global wind power installed ca ...

We received an inquiry from a Dutch customer this week about various standard flanges, among which one of the customers needs anchor flanges. The anchor flange has been reported to the customer many times before. Today, let’s learn about anchor flange. Anchoring flange is the key part of l ...

For steel products such as steel pipes and pipe fittings, welding is the key point to ensure quality in the production process, and it is also the place that all pipe fittings manufacturers attach importance to. The mature welding process can guarantee the quality of the weld, thus ensuring that ...

Flange production processes mainly include forging, casting, cutting and rolling. Different processes can produce products with different performance. Today, let’s take a look at the differences between the two flange processes – casting and forging. EN 1092 1 forged slip on flanges ...

Hebei Haihao Group has produced flanges for more than 40 years. We have a professional team and technical personnel, the pursuit of high-quality products. In February this year, our Singapore customer purchased weld neck flanges and blind flanges made of ASTM A105N from us, which needs ABS certi ...

The tightness of the pressure vessel flange will be affected by the bolt pretension, gasket sealing performance, flange sealing surface characteristics, flange stiffness and operating conditions during use. Let me take a closer look. 1.Bolt pre-tightening force Appropriate pre-tightening force c ...

Imagine the time and effort wasted when you sent out one inquiry after another, compared one offer after another, and finally chose a company to work with. But when you receive the goods only to find that the goods are missing, damaged, the production does not meet the expected standards, which ...

The following are the order from old Russian customers in June. The general product description is for example: Set of companion flanges, gaskets, bolts and nuts, consist of: 2 x weld neck flanges ASME B16.5 (DN 3″, Pressure class: ANSI 300, material: A182 F9), 2 x Gaskets (SWG, 304SS/Grap ...

In the previous articles, the main product types of insulation kits are basically introduced. Finally, it is worth noting that it was mentioned in the initial introduction to the components of the insulation kit, “3. Steel Washer: ZPS Washer;” and “4. Insulating Washer: HCS Washer.”  The HCS was ...

HPG gasket was introduced in the previous article, and then let’s learn about the light green LPG gasket. In fact, from the comparison of these two type pictures, we can found that the black HGP is thicker, while the light green LGP is lighter. Light green LPG gasket LPG system is an insul ...

It can be found from the product pictures in the previous article that there are two sets of insulation kits with different colors, one is black and the other is light green. In fact, there are also two types of insulation gaskets, HPG for black and LPG for light green. Now let’s introduce ...