NPT are common threads used for general purposes, while FPT are a type of NPT. NPTs and FPTs are used to join pipes and fittings for all types of general purposes. This includes things such as joining low pressure air or liquid needs. They are also used for many mechanical applications.What is the difference between NPT and NPTF?
NPT stands for National Pipe Taper. For NPT, pipe should be thread per ANSI B1.20.1. For the National Pipe Tapered for Fuels, or NPTF, the pipe should be thread as per ANSI B1.20.3. Differences in NPT and NPTF threads lie in the major and minor diameters, as well as the root and crest of the threads.What's NPT stand for?
NPT stands for National Pipe Thread, also known as American National Standard Pipe Thread, it is a U.S technical standard for measuring screw threads on threaded pipes and pipe fittings. NPT threads can be divided into tapered and straight thread series for different purposes. NPT is defined by ANSI/ASME standard B1.20.1.What does FNPT mean in plumbing?
RE: What's mean of PE+FNPT. PE stands for Plain End, which means that the end connection is a straight part (e.g. by means of a welded in Nipple or integral machined to forged body) with straight end, so no bevel machined to it. This type of end connection specified for socket weld piping systems.