We may be asked this question more than once: Can RTJ Flange be matched with RF flange? To fully answer this question,we should understand the structure of the RTJ and RF.(Types of flange sealing surface-FF,RF,RTG,TG) The Raised Face is a common type,easily to identify and it’s referred to RF be ...

The material of marine flange is stainless steel. Stainless steel is a kind of material with good corrosion resistance. This material can make the structural parts keep the integrity of design permanently. So now many building materials are made of stainless steel. Stainless steel flange is wide ...

The reasonable choice of forging materials is directly related to the quality of heat treatment. If the selected materials fail to reach the predetermined performance indexes through heat treatment, it is necessary to re-select the materials. The following questions should be paid attention to w ...

Flange plate has certain technical requirements and parameters in the production and use, according to certain ways and methods of production and processing: 1.The butt weld of the ring shall be subjected to post-welding heat treatment and be subject to 100% X-ray or ultrasonic inspection, and t ...

The flat welded flange is the most common used flange,it is a type of flange that is joined to a vessel or pipe by a fillet weld.There are the advantages and disadvantages of flat welded flanges: Advantages of flat welding flange: In order to press the sealing surface of the flat welding flange ...

A blind flange is a round plate which has all of the relevant blowholes except center hole, and because of this feature the blind flange is usually used to close off the ends of a piping systems and pressure vessel openings. It also permits easy access to the interior of a line or vessel once it ...

A weld neck flange consists of a circular fitting with a protruding rim around the circumference which is generally machined from a forging, these flanges are typically butt welded to a pipe. The rim has a series of drilled holes that permit the flange to be affixed to another flange with bolts. ...

As the name suggests, long weld neck flange has long neck than regular weld neck flange. Other than neck, all the dimensions are same as the regular flanges.  You can see the difference in the image. It is used as a nozzle in the pressure vessel and heat exchanger. long weld neck flanges Here, i ...

Weld overlay (WOL), also known as cladding, hardfacing, weld cladding, or weld overlay cladding, is a process where one or more metals are joined together via welding to the surface of a base metal as a layer. This is normally done to improve the material by adding either a corrosion resistant o ...

Today is the last part of the introduction of slip on flange – sealing principle of slip on flange. The two sealing surfaces of the bolt press the flange gasket against each other to form a seal, but this also leads to the damage of the seal. In order to keep the seal, it is necessary to m ...

In the last article,we introduced the main functions of the slip on flange in detail,so today we will focus on the application characteristics of the slip on flange. The slip on flange not only saves space and weight, but also ensures that the joint will not leak and has good sealing performance ...

Because the slip on flange is widely used in ships, chemical industry, petroleum and other industries,we will introduce the main function,application characteristics and sealing principle of the slip on flange in detail.There are three chapters in total.The first one today — main functions ...