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Upgrade Your Industrial Piping System with These Top 5 Close Steel Nipple Fittings

Industrial piping systems and choosing the right ones are crucial for proper performance and longevity. Here are five top options to consider for your industrial application: 1. Pipe Nipples with Threaded Ends:  Threaded pipe nipples are standard for connecting pipes, hoses, and fittings in various applications. These fittings are designed to be securely tightened with a wrench or other tool, making them ideal for high-pressure systems. 2. Welded Pipe Nipples:  Welded pipe nipples are another popular choice for industrial applications. These fittings are created by joining two pieces of metal together, creating a seamless and durable connection. They are typically used in high-pressure systems requiring a more robust and secure connection. 3. Grooved Pipe Nipples:  Grooved pipe nipples are a newer type of fitting that utilizes a mechanical groove to create a secure connection. These fittings are typically used in piping systems that require fast and easy installatio...
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Determining Pipe Size and Pipe Thread Type and All About NPT Pipe

NPT threaded pipe nipple

A nipple pipe fitting is a small part having BSP or NPT male thread at the end of female pipes or fittings. BSP stands for British standard line, and NPT stands for National pipe thread. BSP is the industry standard in regions like Asia, Europe, the UK, New Zealand, etc., while NPT is for the United States and Canada. The application and compatibility of both these standards are the same, and both are used on pipes to seal them. The main difference between these two lines is the angle; the thread angle of NPT is 60 degrees while BSP is 55 degrees. The threaded end of the NPT pipe is flat, and in BSP, they are rounded. NPT pipes are offered in many grades like stainless steel, copper, brass, carbon & alloy steel, and nickel alloys. 

These standardizations were introduced in the early nineteenth century to facilitate compatibility and make communication between the end user and the manufacturer easy. If the standards are incompatible with the connection, it may create leaks.

Likewise, there are three significant parts of any NPT threaded pipe nipple;

The thread dimension is the outside measurement or diameter.   

The pitch is the distance from the crest to the peak of another pipe.

The thread angle is the alteration between a valley and the threads.

Applications

Both standards make the pipe end fluid and provide an airtight seal. Straight threads simply hold ends together while the tapered thread compresses and seals the fitting or pipe end. Tapered threads are used in gas, steam, hydraulic fluid, and transporting liquids. These applications are widely used in power plants, chemical manufacturing, transportation, and oil & gas. All these discussed industries are the key industries through which numerous products are manufactured.  

 NPT Nipple Connections

NPT fitting is connected according to the shapes and divided into reducing nipples and straight or threaded nipples. Some of the well-known connecting methods are:

-Toe nipple (one end threaded)

-TBE nipple (both ends threaded)

-TSE nipple (small diameter end threaded)

-TLE nipple (large diameter end threaded)

Standard specifications:

MSS SP-95 / BS3799

Ends: SME B1.20.1 and ASME B16.25

Material: Alloy steel, stainless steel, or carbon steel 

Size: 1/4″- 8″ in S40/STD, S160, XXS & S80/ XS.

Common Pipe Ends Explained

Knowing about joint pipe ends helps to ensure compatibility for effective, safe, and long-lasting performance. Size and diameter are crucial for choosing elbows, flanges, and other components since they provide proper fit and optimal performance.

Pipe ends are typically divided into four major categories:

PE (Plain ends)

TE (Threaded ends)

BW (Beveled ends)

GE (Grooved ends)

Your project will determine which type of pipe end is required, and according to that, the arrangement of your fitting is needed. 

Who are you doing the fitting for?

For instance, you were residing in the USA and purchased NPT for a coffee maker project. Without realizing that your coffee maker was made in Europe and needed BSP fitting, no matter how much effort you make, you won’t be able to complete the project because of incompatibility issues. You might also wreck the threads and damage your machine that can’t be repaired. So, it is essential to proactively analyze the project to determine which standards are available in your region and which male or female threads are required. Lines have a gender, i.e., male and female. The external cues on the outer side of the male fitting are necessary to fit inside the lines on the inner side of the female line. Inappropriate fittings could cause a slower flow rate and loss of pressure. 

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