A hex head plug is a pipe fitting with an external hex head. It seals the end of a threaded pipe, port, or opening—either permanently or just for temporary use. You tighten or loosen it with a standard wrench or socket. This article shows you how to read hex head plug dimensions and gives you

A pipe nipple is a short threaded or welded pipe section used to connect pipes, valves, instruments, and fittings. This guide recommends eight global pipe nipple manufacturers. Noticely, It is a procurement comparison tool, not an official ranking or brand endorsement. 1. Swagelok Swagelok is a global benchmark for instrumentation-grade fittings and valves. Its pipe

In instrumentation systems, manifold valves act as the critical interface between the process connection and the measuring instrument—whether a pressure transmitter, differential pressure transmitter, or pressure gauge. By integrating isolation, equalization, venting, and calibration functions into a single compact body, the manifold mounts directly beneath the instrument or connects via a short impulse line. This