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What are the leading plumbing fittings?

March 30, 2020 by redearthsteel  

To get to the point, here are the specifics of the leading plumbing fittings :

  • The copper fittings are brazed and require plumber's tools for their installation.
  • The two- cone fittings allow seamless copper pipes to be connected.
  • The screw fittings are screwed with Teflon or tow.
  • The PEX fittings are part of a PEX installation and assemble seamlessly.
  • The PVC fittings, pressure and evacuation, are to be bonded.
  • The PE compression fittings are used on A234 WPB polyethylene pipe systems (main power); they are connected by screwing.

Plumbing installation is in 90% of copper cases, so you will have to use according to your skills and needs copper fittings, biconical fittings, screw fittings, and PVC fittings, which will most often be an evacuation.

Solder connection

Copper fitting

The A234 WP91 copper connectors are assembled by brazing to the copper pipes ( brazing is a welding technique). The brazing is for hot water and heating, while the cold soldering is intended for the cold water.


The soldering is carried out with a blowtorch or a welding lamp and a filler metal determined according to the metals to be brazed.

The Weld fittings are dimensioned to the diameter of the pipes and configured according to the needs of the installation (elbow, tee, sleeve, etc.).

Solderless connection

Screw connection

The screw fittings are no big surprise to screw. Their tightness is guaranteed by the application of Teflon or tow on their threads. Used in the home system, carbon steel pipe fittings are prepared of brass or stimulated and are obtainable in altered yarn sizes whose dimension is articulated in millimeters or inches. They are used as an elbow, tee, sleeve or plug and may require a seal.

Bicone or olive fitting

A bicone link permits two copper tube to be linked without brazing, but by coiling. It is the solution for a fast and efficient connection. Their operating principle: a ring deformed under the action of screwing tightens the respect of the fitting on the copper pipe. Perfect for having neither welding torch or torch.

PER connection

PER designates a material, crosslinked polyethylene, and the attachments make it possible to form a network. The PER is a flexible hose used in renovations in water and heating installations, its ease of installation (without soldering). These are two types of PER fittings: compression and automatic.

Compression fitting

This ASME B16.11 fasten certified by the devastating of the tube on the fitting. The crushing being carried out using a nut, a compression fitting, therefore, requires only a flat wrench of the right size to be mounted.

Automatic connection

Like the Stainless Steel 316 Pipe Fittings, the mechanical fitting does not require specialized knowledge or materials. The assembly is carried out thanks to a clip that is then locked using a nut. Very easy to assemble, it remains the least resistant of the PER fittings.

PVC evacuation fitting

The evacuation PVC denotes a PVC type, which is not designed to withstand any internal pressure; the flow, therefore, takes place by gravity. This type of PVC is found in the drain of sinks, showers, baths, and toilets.

stainless steel 304 pipe fittings are assembled by gluing ( special PVC glue ), thus ensuring a rigid and waterproof assembly.

How flanges are made and its characteristics

March 3, 2020 by redearthsteel  

The manufacture of A420 WPL6 steel flanges can be done in two different ways:

  • micro-melting, that is to say by casting steel in a mold produced using the lost wax technique;
  • forging, namely the molding of a preform, which is heated to an adequate temperature.

Of the two solutions, the second is preferable, forging. The reason for this choice compared to micro-fusion is that forging makes it possible to maintain the compactness of the structure of the material and to avoid the appearance of inclusions which can in the successive phase cause losses of liquid, especially in the event high pressure.


Once forged, the Stainless Steel Slip on Flange are worked with machine tools that seal the surfaces and drill holes for the bolted connections. The work is carried out on a machine with digital control allowing repeatability, speed, and precision. During this phase, work of face, which together with joint, provides for sealing is of particular interest. It is not simply smooth but has a particular so-called "phonographic" stripe, which aims to retain the material join and avoid the expulsion, which could occur by the strong existing pressures.

The materials used to make the flanges

The tradition starts from the commercial realization of fittings, valves, and A350 LF2 flanges in stainless steel, using material meeting market requirements such as AISI 304, 304L, 316, and 316L steels. These are part of the family of austenitic steels, an alloy containing Nickel-chromium and molybdenum, which will bring their well-known characteristics for resistance to hot oxidation, resistance to corrosion, and a good measure of stability.

The AISI 316 is used in the presence of high temperatures. Because a182 f11 flange has good corrosion resistance, it is particularly indicated for its resistance to the action of saline environments. It is capable of effectively supporting the action of acids, salts, and other chemical agents of various types. This allows it to be used in more disparate areas, including nautical and the food industry, where resistance to cleaning products is important.

What are the characteristics and precautions of a stainless steel flange?

The Alloy Steel Flanges are a type of component product used in pipelines and other fields. Flange manufacturers supply consumers with many flange products. Since each flange product will have its characteristics and points of attention, I will present today the characteristics and use of stainless steel flanges — little knowledge.

Before we can understand the above problems, we need to know what the harness is. A234 WPB Elbow is a part that connects pipes and hoses. It can be bolted to two flanges. There are several types of flanges for your choice. Today we are going to introduce the products with stainless steel flanges.

Stainless steel flanged products, as the name suggests, are made of stainless steel. Stainless steel flange fittings are easy to use and can withstand higher pressure. It is widely used in some industrial pipes. In some boiler rooms or production sites, the existence of flanges is visible everywhere.

Notes for stainless steel flange:

To prevent the ASME B16.11 flange cover from being heated and destroyed, the welding current must not be too high, and the arc must not be too long. In general, it is best to use a narrow cord.


Pipeline fittings- Types of fittings and accessories

February 25, 2020 by redearthsteel  

Just as a chain is no stronger than its weakest link, an A234 WPB piping system is only worth thanks to its connections. It is, therefore, very important to know all the connections well to be able to create (assemble) or modify piping circuits on industrial machines and equipment.

Therefore, you need to know what type of fitting is best suited to the operating conditions of the machine or equipment.

There are three ways to connect the pipes:

  • by threading pipes and A234 WP91 fittings;
  • by welding ;
  • by the assembly (connection) by Carbon Steel Flange.

Threaded connections

Threaded fittings are the most used. They are found on copper, cast iron, steel, and other alloy piping.

Even if the threaded piping can be suitable for all pressures, it is mainly used on small diameter pipes, that is to say, 75 mm and less. It should also be added that the larger the diameter of the pipe, the more difficult it becomes to obtain a good threaded joint.

As for steel pipes, fittings are classified by nominal size, name of the fitting, material from which they are made. The fittings for steel pipe pipelines are supplied in an ordinary model or a beaded model.


Bead fittings are better and more resistant than ordinary models.

The beads, located at ends and above the threaded part, strengthen this part and prevent the WP22 fittings from cracking when tightening on the pipe with conical thread.

When the clamping is too powerful, the taper on the pipe exerts very great pressure on the female part, from where the risk of cracking.

Identification of threaded connections and description

The fittings are classified according to their nominal size, their name, and their material of manufacture. It is, therefore, important to know the main threaded fittings used in pipes, their description, and their use.


Elbows are male or female tubing stainless steel pipe fittings that allow directional changes on the piping.


When a T-bead connector has openings all of the same diameter, and the "arms" of the tee are curved, it is called "panties." If, on the other hand, one of its openings has a smaller diameter to that of others, it is designated by the terms "T-reducer" or "branching"; the two opposite openings are mounted on the main pipe, and the third allows the branch to be connected.

A reducing tee can reduce, as the name suggests, the conduit, but it can also have a reduced diameter outlet. When we want to identify a reducing "T," we always name the secondary output last, even if it is larger. If a "T" has a branch opening with a diameter smaller than that of the main pipe, this fitting is a real reducer. Manufacturers often call it "T" with reduced output.

Muff :

The sleeve is used to connect two sections of pipe. Like other A234 WP11 fittings, these sleeves can be ordinary or beaded. Both ends can be threaded on the right. They can also be supplied with one end on the left and another on the right.

Pipe mounting/assembly by flange points

February 10, 2020 by redearthsteel  

The study on fittings allowed you to know all types. You may remember the flange fittings, which are generally used for large diameter pipes.

In this study, which deals with the assembly of pipes by flange joints, you will learn the main types of flanges, their classes, the different models of faces, the assembly of flanges, and finally, the clamping technique.

  1. Types of flange seals

stainless steel 304 pipe fittings with flanged joints have been around for a very long time. They are particularly used in large industries, such as paper mills, aluminum factories, filtration factories, and others.

It is indeed in these factories that Stainless Steel Flanges Manufacturer mainly find large diameter pipes.

System of a filtration plant:

You will notice that Stainless Steel 316 Pipe Fittings can be dismantled and reassembled with tools that are smaller than those used for threaded joints (fittings) of the same size.

There are several types of flanges, made of different materials, to meet the needs of threaded flanges and carbon steel pipe fittings and flanges to be welded in materials as adequately as possible :

  • carbon steel,
  • malleable cast iron,
  • the bronze,
  • stainless steel,
  • steel alloys.

Main types of flanges:

Each 304 Stainless Steel Flanges belongs to a class according to the ANSI standard (American standard), varying from 150 to 2,500 lb per inch 2, the maximum allowable working pressure. The difference from one class to another is in terms of dimensions, which are larger.

  1. Different types of flanged joint faces

Flanged joints can have three types of standard faces used for industrial WPHY 52 piping.

Types of standard flange seal faces:

  • -Flat face seal, for low-pressure pipes (permissible operating pressure = 10 bars approximately (10 kg / cm 2 ).
  • Male and female joints for pipes undergoing an operating pressure of approximately 20 bars (10 kg/cm 2 ). Connecting the faces allows automatic alignment. They are also very suitable for intermediate pressure services.
  • Ring seal, most suitable for high temperatures and pressures. This type of seal aligns automatically and is reusable unless damaged. The ring seal is normally made of mild steel, but it is also available in other materials.

For several years now, the majority of factories that have piping systems subjected to high pressures and high temperatures have used the semi-metallic seal, which is shown in the following figure.

Types of semi-metallic seals:

This type of seal, recognized for its effectiveness, is very popular with users. It consists of a series of circular stainless steel strips, in the shape of a "V," into which metals like asbestos, flexible graphite, etc. are inserted. These metals create sealing by their expansion and also offer excellent flexibility.

The most used materials are rubber, asbestos, and Teflon.

  1. Assembly of a flange joint

The 316 Stainless Steel Flanges joints are assembled by joining the flanges with bolts. First, clean the faces of the flanges before inserting the sealing washer. We must then check the alignment of the pipes and flanges, both horizontally and vertically, to obtain a perfect seal.

What are flanges and fittings?

January 20, 2020 by redearthsteel  

Even with all the latest hi-tech advances, the whole welded pipeline structure has remained the most excellent option for high strain and high warmth applications for decades. In many cases, pipelines in schools, industrial plants, and factories had an advantage over a fully welded system. In particular, they become a closed tank connecting parts of pipes, valves, fittings, and flanges. Also, the welded joint becomes part of the section, minimizing the possibility of leakage, and also extends the service life. Flanges and fittings provide better security, particularly under circumstances of inner pressure. Buttweld fixtures form a permanent metal construction with a pipe, adding up power to sa234 wpb elbow piping structure. Moreover, smoother joints simplify filling and seize up the fewer rooms. Having examined in more detail the types of fittings and flanges designed for use in welded systems, they immediately recognize their recognition and advantage.




What are the fittings?

A234 WP11 Fittings is any part used in a pipeline system to change direction/function and is attached to this system mechanically or by welding. The easiest way to change the course of the pipe is to bend it.


In addition to restricting flow, this method often distorts the shape of a tube. It reduces the strength of the walls. Another process of changing direction is an oblique joint, i.e., straight parts of the pipe are cut into the desired bend and welded together. This type significantly reduces throughput by creating more significant turbulence. A single segment tap is approximately six times the resistance of a valve with a smooth surface. WPL6 Fittings are recommended for most piping systems, where flow rate, internal pressure, and protection against aggressive media are the main factors that influence the design process.



a105 flange is a forged or cast metal ring designed to connect two parts of a pipeline system or create a high-pressure tank, valve, or any other integral flange assembly from a pipeline system. The flanges are connected to the pipeline using a threaded or welded system and are connected by bolts. For example, each pressure reservoir manufactured has at least one flange assembly. This outlet has a predetermined bolt circle and several holes. The flanges are designed and manufactured by the circumference of the bolt mount and the holes for the bolt, so they can be combined. The piping system begins with this flange. The most important part of the spine is its surface. The flange surfaces are machined to provide sufficient contact area with the gasket surface.


Flange classification Surface with a connecting protrusion (raised surface): The contact surface area increases by 0.0625 inches for classes 150 and 300. For a class above 300, the contact area increases by 0.25 inches.


Smooth sealing surface: When attaching 150 or 300 class a182 f11 flanges

to cast iron flanges, a flat surface must be used. Oval-shaped trough surface: Usually used with flanges of class 400 and above, but can be designed for lower grades if desired. Flanges are specially designed for classes 150, 30 0, 400, 600, 900, 1500, and 2500. Common types of flanges are welded with a high neck, union with a low neck, overlap, threaded connection, blind.

Carbon Steel and its characteristic

January 4, 2020 by redearthsteel  

Carbon steel is the main product of the steels that are produced; estimating that 90% of the total production produced to carbon steels and the remaining 10% are alloy steels. These steels are also known as construction steels. The chemical composition of carbon steels is complex, in addition to iron and carbon that generally does not exceed 1%. There other elements which are necessary for their production in the alloy, such as silicon and manganese. The increase in carbon content in steel increases its tensile strength, increases the rate of cold brittleness and reduces toughness and ductility. In addition it should be noted that the carbon content raises the strength of the steel and increases the rate of brittleness to the cold, reducing the toughness and ductility. Based on the amount of carbon they contain, it can be divided into the following categories:



  • Mild steel: It has a carbon percentage of 0.15%, mechanical resistance of 38-48 kg / mm2 and a hardness of 110-135 HB, which makes it easy to handle, weld and deform. Its applications are in materials with cold deformation, elements of machinery of great tenacity, fittings, folded, among others. The applications of this category are pieces of medium strength, drawing, folding, and hardware, among others which can be buy from Alloy Steel Flanges Manufacturers in India.
  • Semi-mild steel: With a carbon percentage it is 0.35%, mechanical resistance of 55-62 kg / mm2 and a hardness of 150-170 HB. This type of carbon steel from Alloy steel pipe fittings manufacturers in India is used in the elaboration of bolts, screws, resistant parts, machinery elements and more frequently used.
  • Semi-hard steel: Its properties give it a good resistance; however it can be subjected to certain types of deformation. It contains a percentage of 0.45%, resistance of 62-70 kg / mm2 and hardness of 280 HB. It can be used for quite resistant parts, transmissions, engine cylinders as well as machinery elements.
  • Hard steel: Its properties are 0.55% carbon percentage, 70-75 kg / mm2 strength and 200-220 HB hardness. Because of these properties it uses in regularly loaded parts, of not very high thicknesses, in transmissions, axles, pensioners, among others.


Characteristics of carbon steel

Carbon steel from stainless steel pipe fittings manufacturers in India has special characteristics that make it a material of great strength and hardness. Thanks to these properties it is widely used in the construction sector. It is a very little ductile material. It is also more prone to corrosion and less expensive than other materials used for cutting.


  • Depending on the carbon content of steel, it is classified into three types. It may seem very little difference but even the slightest variation can completely change the behaviour of the material.
  • Low carbon steel: It contains less than 0.3% carbon. These are relatively soft and not very resistant, but very ductile and malleable.
  • Medium carbon steel: Contains between 0.3 and 0.5% carbon. They can be heat treated by tempering and tempering to improve mechanical properties.


High carbon steel: The latter contains more than 0.5% carbon in its composition. This allows the steel to withstand much more extreme temperatures allowing heat treatments to be applied effectively. Mostly it is used for cutting tools; knives, knives, saw blades, cement bits, pipe cutters, etc.


Read more: a182 f11 flanges

Stainless steel: Properties and benefits

December 12, 2019 by redearthsteel  

The sa182 f9 contains more than 50% iron, a minimum of 10.5% chromium and a maximum of 1.2% carbon. Its high resistance to corrosion is its main properties.


Main properties of stainless steel

The a234 wp22 steel mostly used in many industries, homes, businesses, among other establishments. This is due to the great properties and features it offers. This metal is considered an almost universal material and ideal for any application and environment. The main characteristics and properties of stainless steel are here.




  • Corrosion resistance


Due to its high chromium substance, stainless steel has good corrosion resistance. It is capable of naturally generating a protective layer when it comes into contact with the environment. This layer of chromium oxide protects the surface and regenerates each time it is damaged.


  • Resistance to extreme temperatures


Compared to other metals, stainless steel from Carbon steel flanges manufacturers in India is capable of resisting extreme temperatures without suffering deterioration or alterations. It can be applied in winter temperatures without risk of embrittlement or breakage. In addition, it has the best fire resistance than other metals and does not give off toxic fumes.


  • Unique and aesthetic material


An A350 lf2 flanges has a great artistic and graceful finish. Many architects use it for their projects and works. In addition, it does not need constant maintenance, since it is very easy to clean. It is enough to apply traditional cleaning products such as detergent, soap and water, and the surface will not be damaged. There are numerous surface finishes: from matte to gloss, through satin and engraving. The finish can also have drawings or be colored, which makes stainless steel a unique and aesthetic material. Architects often choose this material in building works, interior design and for street furniture.


  • Mechanical properties


Stainless steel has excellent mechanical properties at room temperature compared to other materials, an advantage that stands out in the construction sector. It allows reducing the weight per m² or the dimensions of the construction elements. It has good ductility, elasticity and hardness combined with good wear resistance (friction, abrasion, shock, elasticity ...) In addition, stainless steel can be placed on site despite winter temperatures without risk of breakage, which does not prevent lengthening the periods of realization.


  • Recycling


Stainless steel is the "green material" par excellence, recyclable to infinity. In the construction sector, the real recovery rate is almost 100%. Stainless steel from Stainless Steel flanges manufacturers in India is an unalterable product, totally inert in relation to the environment: in contact with substances such as water does not release compounds that can alter the composition. These qualities make stainless steel an ideal material for construction applications, when exposed to the weather: roofs, facades, rainwater recovery systems or sanitary circuits. The long service life of stainless steel meets the needs of sustainable construction: it is the most appropriate solution to ensure maximum longevity of your building.


Additional advantages of stainless steel

The addition of elements such as nickel, molybdenum, titanium and niobium provides additional advantages to stainless steel such as:

  • Resistance to corrosion and creep at high temperatures
  • Resistance and ductility at low temperature,
  • Ease of forming (drawing, folding, hydro-forming, welding, soft welding, etc.)
  • Resistance to extreme temperatures (without risk of breakage)
  • Cleaning, any element made of stainless steel is easy to clean