Hex Nut – Function, Sizing, Markings, and Grades
A hex nut or hexagonal nut is a metal fastener with six sides. Because it appears to be the most exact shape to hold, this is one of the most…
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Sarah DeGuzman
Sarah DeGuzman Swivel Flange – Function, Ratings, Materials & Applications
A swivel flange is a kind of special weld neck flange that consists of a forged outer ring, a heavy forged welding hub, and a gasket. Upon installing the flange,…
Vacuum Pump Oil – Function, Properties, and Maintenance
Vacuum pumps change the pressure in a contained area to create a full or partial vacuum. The multifunctional element inside the vacuum pump that lubricates the pumping apparatus is vacuum…
Mechanical Joint vs. Flange
Determining when to use a mechanical joint vs. a flange is an essential consideration for piping engineers. In this article, you’ll learn the fundamentals of a mechanical joint connection, the…
Positive Displacement Pump – Working Principles, Examples
A positive displacement (PD) pump transports fluid through a system by periodically enclosing a set volume of fluid and moving it mechanically. Pistons, screws, gears, rollers, diaphragms, and vanes can…
Trussed Tower – Overview, Applications, vs. Lattice Framework
Based on a triangular shape, a truss tower is a structure designed to support heavy loads. Steel truss towers provide the large majority of tower installs today. Many years ago…
Is Tungsten Magnetic?
Is tungsten magnetic? Yes, tungsten is partially magnetic or paramagnetic because of unpaired electrons and the realignment of those electron paths due to an external magnetic field. Therefore, tungsten registers…
Torquing Bolts
With bolted joints, the most typical method of achieving fastener preload is to torque them. Torquing creates this load by applying rotational force to the head of a nut or…
Flange Nuts – Types, Dimensions, and Alternatives
Flanges nuts feature an oversized base that flares from the bottom of the nut. This specially designed base acts as an integrated, non-spinning washer. Flange nuts speed up assembly and…
SDR-21 vs Schedule 40 Pipe
SDR-21 and Schedule 40 pipe provide varying degrees of wall thicknesses for piping systems. SDR-21 provides the best choice in most irrigation and drainage applications where flexibility is the top…