Armpre Machinery Blog

NPT vs NPTF: Understanding the Differences and Applications Introduction When it comes to threaded pipe systems, the type of thread must be selected correctly in order to achieve good compatibility, sealing, and general performance. The types of threads most familiar with industrial and plumbing applications include NPT (National Pipe Taper) and NPTF (National Pipe Taper […]

Find The Most Accurate Rectangular Tube Size Introduction Rectangular tubes are general-purpose structural elements applied in construction, fabrication, and industry. Manufactured in various sizes, thicknesses, and materials, they provide strength, durability, and versatility for various uses. Knowledge of the rectangular tube sizes is important in choosing the right size to fit load capacity and design specifications. For […]

Hot Rolled vs. Cold Rolled Steel: Understanding the Differences and Applications Introduction Steel is widely used throughout the world mostly due to the fact that it has high versatility, but various qualities of steel can exist between the types. Some of the specific manufacturing techniques decide which properties of steel are offered concurrently with what […]

Choosing the Right Coupling Size Chart Introduction Getting the proper coupling size is essential to effective power transmission in equipment. A Coupling Size Chart assists you in comparing coupling types, sizes, and torques to match your application requirement. Flexible, rigid, or specialty couplings don’t matter; having size specifications prevents misalignment and efficiency problems. This guide will […]

NPS vs NPT: Understanding the Differences and Applications Introduction To have proper functioning in threaded pipe systems and ensure compatibility, there is always a need to know the different types of threads that are used. Some of the popular threads include NPS (National Pipe Straight) and NPT (National Pipe Tapered). While their external appearance resembles […]

Find The Most Accurate Steel Pipe Sizing Chart Introduction The steel pipe size chart is a very useful tool for understanding the different dimensions of steel pipes, such as outer diameter, wall thickness, and inner diameter. This helps professionals and engineers select the right pipe for a specific project, ensuring that it will be compatible with […]

Coarse Thread vs Fine Thread, What’s The Diffirent? Introduction Threads in fastening systems ensure robust connections in mechanical, construction, or industrial applications. You then need to decide between ‘coarse thread’ and ‘fine thread’; both have their characteristics and advantages. A coarse thread is commonly used for fast assembly and high durability, while a fine thread […]

Long Radius vs Short Radius Elbow,How Much Do You Know? Introduction The “long radius elbow” and “short radius elbow” belong to the family of pipe fittings, which are used in piping systems to connect straight pipe pieces and adapt to different sizes or angles. The main difference that sets “long radius elbow” and “short radius elbow” apart […]