News
News
Production Process of Forged Flange And Cast Flange
- Posted: 11/05/2020 02:11:37
- Hits: 50
This news is going to talk about the production process of forged flange and cast flange. Flange is a kind of connection sealing parts. If there are quality problems in the production process, there will be leakage, resulting in economic losses, environmental damage and even safety accidents. So the...
What Is Flange And What Are The Types of Flange?
- Posted: 10/23/2020 02:10:11
- Hits: 356
In fact, the name of flange is a transliteration. It was first put forward by an Englishman named Elchert in 1809. At the same time, he proposed the casting method of flange. However, it was not widely used in a considerable period of time later. Until the early 20th century, flange was widely...
Pros and Cons of Forged Flanges and Cast Flanges
- Posted: 10/11/2020 03:10:23
- Hits: 143
The forged flange and the cast flange are two common flange types in the market. Cast flanges have low cost, low technical requirements, a short mass production cycle. Forged flanges have a slightly higher price and good quality. Let's focus on analyzing the pros...
Operational Norms of Forged Flanges
- Posted: 09/28/2020 05:09:10
- Hits: 32
In the production of forged flanges, it is often necessary to heat the flange blank at high temperature and then forge it by a hammer. Through constant blows, the density of the flange blank is continuously increased. And then the flange is produced by shaping and drilling. There are certain risks...
Knowledge of a Lap Joint Flange
- Posted: 09/09/2020 04:09:52
- Hits: 36
What is a Lap Joint Flange/Loose Flange? A lap joint flange is used to cover the end of a pipe with flanging, the steel ring and other processes. The steel ring or flanging is a sealing surface, and the function of a flange is to press them tightly. It can be seen that the lap joint...
What Are Three Methods for Local Repair of Flanges
- Posted: 08/29/2020 05:08:31
- Hits: 133
The application of flange plays an important role in many aspects, including petrochemical industry, energy industry, scientific research and military industry. However, in the reactor of refinery, the production environment of flange is very bad, and the performance of flange must be excellent, because...
How to Identify the Authenticity of Stainless Steel Flange
- Posted: 08/15/2020 04:08:07
- Hits: 29
Nitric acid spot test: A notable feature of stainless steel flanges is inherent corrosion resistance to concentrated nitric acid and dilute nitric acid. This property makes it easy to distinguish from most other metals or alloys. 1. Copper sulfate spot test: Copper sulfate point test is the simplest...
Process and Quality of Welded Flanges
- Posted: 06/27/2020 11:06:46
- Hits: 48
A flange is used for attachment to another object, for instance, the end of a pipe. It can also be used for connection between two equipments, e.g. reducer flange, which is used for connection between the motor and the reducer, as well as the reducer and other equipment. According...
Common problems in flange use
- Posted: 06/19/2020 02:06:27
- Hits: 37
During flange casting, the liquid metal is filled with a mold and solidified while rotating. The flange casting has the following characteristics: liquid metal can form a freely selected hollow cylindrical surface in the mold, so that hollow castings can be cast without a core, thereby greatly simplifying...
How to choose the materials of stainless steel flanges
- Posted: 05/13/2020 04:05:16
- Hits: 43
Flange is a disc-shaped connecting part that is connected between pipe ends and closed at the same time. It is the most common in pipeline engineering, such as the connection of ventilation pipes. Flange materials include carbon steel, low alloy steel and stainless steel. Among them, stainless steel...
How to choose the right gasket for design process engineers reference
- Posted: 10/12/2019 11:10:56
- Hits: 144
Gasket seals are the most important type of static seals for detachable joints in pressure vessels, processing equipment, power machines and connecting pipes. They contain a wide range of fluid media, and preventing liquid or gas from leaking through these joints is the most important and difficult...
Production precautions of stainless steel flanges
- Posted: 05/17/2019 03:05:54
- Hits: 87
The pretightening force of the screw 1. It is suitable to increase the pre-tightening force and the sealing tightness of the gasket. (Reducing the capillary phenomenon of the permeable gasket material); 2. The pre-tightening force is evenly applied to the gasket -- the method of reducing the screw diameter...