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  • Do you know anything about electroplating?

    Do you know anything about electroplating?

    In the processing of flanges and pipe fittings, we often find different processing techniques, such as hot galvanizing and cold galvanizing. In addition, there are also electroplating processing techniques. This article will introduce what kind of process electroplating is. Electroplating is a pr...
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  • Application field and characteristics of flexible rubber expansion joint

    Application field and characteristics of flexible rubber expansion joint

    Flexible rubber expansion joint is also called flexible winding rubber joint, rubber compensator, rubber elastic joint. The device at the inlet and outlet of the pump can effectively prevent the transmission of vibration and sound when the pump is working, play the effect of shock absorption and ...
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  • How should the butt welded flange be properly installed?

    How should the butt welded flange be properly installed?

    The use range of butt welded flanges is relatively broad, and the requirements for installation will also be relatively high. The following also introduces the installation sequence and precautions for butt welded flanges The first step is to organize the inner and outer sides of the connected st...
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  • How should the butt welded flange be properly installed?

    How should the butt welded flange be properly installed?

    The use range of butt welded flanges is relatively broad, and the requirements for installation will also be relatively high. The following also introduces the installation sequence and precautions for butt welded flanges The first step is to organize the inner and outer sides of the connected st...
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  • Application field and characteristics of flexible rubber expansion joint

    Application field and characteristics of flexible rubber expansion joint

    Flexible rubber expansion joint is also called flexible rubber joint, rubber compensator. The device at the inlet and outlet of the pump can effectively prevent the transmission of vibration and sound when the pump is working, play the effect of shock absorption and noise reduction, and also incr...
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  • Comparison between single sphere rubber joint and double sphere rubber joint

    Comparison between single sphere rubber joint and double sphere rubber joint

    In daily use, the role played by single ball rubber flexible joints and double ball rubber joints between metal pipelines is easily overlooked, but they are also crucial. Single ball rubber joint is a hollow rubber product used for portable connection between metal pipelines. It consists of inner...
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  • How to judge the quality of rubber joints

    How to judge the quality of rubber joints

    Rubber joints, as mechanical connectors, are widely used in fields such as chemical engineering, petroleum, shipbuilding, etc. When using it, we first need to judge its quality to ensure its normal operation and safety. Usually tested in terms of appearance, hardness, corrosion resistance, stretc...
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  • What are the characteristics and precautions of different specifications and types of flanges?

    What are the characteristics and precautions of different specifications and types of flanges?

    A flange is a disc shaped component that is most common in pipeline engineering. The flanges are used in pairs and in conjunction with the matching flanges on the valve. In pipeline engineering, flanges are primarily used for the connection of pipelines. In the pipeline where the requirements are...
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  • 316 stainless steel and 304 stainless steel for flange or pipe

    316 stainless steel and 304 stainless steel for flange or pipe

    In the practical application of equipment pipelines, many products are made of stainless steel or involve stainless steel materials. Although they all belong to stainless steel, there are different types of stainless steel, such as 304 and 316 models. Different models have different physical prop...
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  • What are the connection methods for dismantling joints?

    What are the connection methods for dismantling joints?

    Dismantling joints, also known as power transmission joints or force transmission joints, are divided into single flange, double flange, and detachable double flange power transmission joints. They have connections with each other, but there are also different differences, such as their connectio...
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  • What is the difference between a transmission joint and a limit expansion joint?

    What is the difference between a transmission joint and a limit expansion joint?

    The limit expansion joint is composed of the main body, sealing ring, gland, expansion short pipe, and other main components. The transmission joint is composed of components such as flange loose sleeve expansion joint, short pipe flange, and transmission screw. The model of the limit expansion j...
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  • Stub Ends For The Flange Connection

    Stub Ends For The Flange Connection

    What is a stub end? How should it be used? Under what circumstances do you use it? People often have such questions, let’s discuss them together. The stub end is often used together with the lap joint flange to form a substitute for the weld neck flange connection, but remember that it cann...
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  • WHAT IS WELDOLET-MSS SP 97

    WHAT IS WELDOLET-MSS SP 97

    Weldolet, also known as butt welded branch pipe stand, is a type of branch pipe stand that has been widely used in recent years. It is a reinforced pipe fitting used for branch pipe connections, which can replace traditional branch pipe connection types such as reducing tees, reinforcing plates, ...
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  • Our company was invited to participate in the PAK-CHINA BUSINESS FORUM.

    Our company was invited to participate in the PAK-CHINA BUSINESS FORUM.

    On May 15th, Beijing time, this Monday, the Pakistan China Business Seminar was held at the Pakistani Embassy in Beijing. Our company was invited to participate in this conference.The focus of this meeting is on industrial transfer and technology transfer: promoting sustainable economic developme...
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  • Influence the service life of clamp type rubber expansion joint

    Influence the service life of clamp type rubber expansion joint

    How long is the service life of rubber expansion joint? This depends on the service life of the rubber expansion joint. There are many factors that affect its service life, but the silicone ring in the seal is often affected by several common situations. The stress and e...
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  • How to choose flanges for carbon steel and stainless steel?

    How to choose flanges for carbon steel and stainless steel?

    As a very common and commonly used component in pipeline equipment, the role of flanges cannot be underestimated, and due to different specific usage roles, we need to consider many factors when selecting flanges, such as usage scenarios, equipment dimensions, materials ...
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  • Classification of Common Materials for Rubber Flexible Joints

    Classification of Common Materials for Rubber Flexible Joints

    The main materials of rubber expansion joint are: silica gel, nitrile rubber, neoprene, EPDM rubber, natural rubber, fluoro rubber and other rubber. Physical properties are characterized by resistance to oil, acid, alkali, abrasion, high and low temperatures. 1. Natural ...
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  • What issues should be noted when purchasing elbows?

    What issues should be noted when purchasing elbows?

    Firstly, the customer needs to clarify the specifications and models of the elbows they need to purchase, that is, the diameter of the elbow, They should consider whether to choose equal elbow or reducing elbow, as well as confirm the standards, pressure levels, or wall thickness of the elbows. S...
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  • What is a socket weld flange and what are its advantages and disadvantages?

    What is a socket weld flange and what are its advantages and disadvantages?

    Socket welding flanges are called SW flanges, and the basic shape of socket flanges is the same as that of flat welding flanges with necks. There is a socket in the inner hole of the flange, and the pipe is inserted into the socket and welded. Weld the weld seam ring on ...
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  • How to perform inspection and measurement on flanges?

    How to perform inspection and measurement on flanges?

    A flange refers to opening several fixing holes around a metal body similar to a disc, which are then used to connect other things; In fact, in assembly and processing, many enterprises will use parts such as flanges. If there is a significant deviation in the center of ...
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  • Do you know the RTJ type flange?

    Do you know the RTJ type flange?

    RTJ flange is a type of flange used in pipeline connections. RTJ is the abbreviation for Ring Type Joint, which means ring sealing gasket. RTJ flanges are usually made of metal with special circular grooves and bevels on the flange surface. This structure can maintain go...
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  • What are the common forms of flange sealing surfaces?

    What are the common forms of flange sealing surfaces?

    1. Full Face (FF): The flange has a smooth surface, simple structure, and convenient processing. It can be used in situations where the pressure is not high or the temperature is not high. However, the contact area between the sealing surface and the gasket is large, requiring a large compression...
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  • The difference between threaded connection and flange connection

    The difference between threaded connection and flange connection

    Thread connection and flange connection are common ways of connecting mechanical components, with different meanings, connection methods, and purposes as the main differences. 1. Different meanings Threaded flange connection generates less additional pressure on the pipe...
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  • The difference between socket welded flanges and threaded flanges

    The difference between socket welded flanges and threaded flanges

    Threaded flange is a widely used flange structure type in engineering construction, which has the advantages of convenient on-site installation and no need for welding. Threaded flanges can be used on pipelines that are not allowed to be welded on site, and can be used i...
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  • What are the similarities and differences between anchor flanges and neck welded flanges?

    What are the similarities and differences between anchor flanges and neck welded flanges?

    Anchor flanges and neck welded flanges are common pipeline connectors used to connect pipelines and equipment. The similarities of anchor flanges and neck welded flanges: 1. Anchor flanges and neck welded flanges are common connectors used for pipeline connections. 2. Both anchor flanges and neck...
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  • About flange standard EN1092-1

    About flange standard EN1092-1

    EN1092-1 is a flange standard formulated by the European Standardization Organization (CEN), which is applicable to threaded flange and flange connection of steel pipes and fittings. The purpose of this standard is to ensure that flanges used in various European countrie...
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  • Basic knowledge of anchor flanges

    Basic knowledge of anchor flanges

    Anchor flange is a connecting flange for piping system, which is characterized by an additional fixed support structure, which can fix the piping system, prevent displacement or wind pressure during use, and is usually used in high pressure, high temperature, Piping syst...
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  • What are the advantages and disadvantages of clamp connection and flange connection?

    What are the advantages and disadvantages of clamp connection and flange connection?

    Clamp connections and flange connections are commonly used pipe connection methods, each with its own advantages and disadvantages. Advantages of clamp connections include: 1. Easy and fast installation: The clamp connection does not require complicated pretreatment, jus...
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  • When installing and using blind flange, you should pay attention to these two points.

    When installing and using blind flange, you should pay attention to these two points.

    Flanges are pipe fittings that are often used to connect pipes and pipes or to connect two equipment in the pipeline system. There are many types of flanges, such as threaded flanges, welding neck flanges, plate welding flanges, etc. (collectively referred to as flanges). However, in real life, y...
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  • How much do you know about blind flanges?

    How much do you know about blind flanges?

    Blind flanges are essential components in piping systems used to seal the end of a pipe, valve, or pressure vessel opening. Blind flanges are plate-like discs that have no center bore, making them ideal for closing the end of a piping system.It is different from the spec...
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