Your question might be answered by sellers, manufacturers, or customers who bought this product. Please make sure that you are posting in the form of a question. Please enter a question. This reducing hex nipple fitting has one end smaller than the other for connecting two threaded pipes with different diameters, and it has a hexagonal head for an increased bearing surface when adjusting the fitting with a wrench. It has male NPT threads for connecting to female threaded pipes, creating a tighter seal than straight threads.
what is the length of 3/4 threaded part
The n th partial sum of the series is the triangular number. Because the sequence of partial sums fails to converge to a finite limit , the series does not have a sum. Although the series seems at first sight not to have any meaningful value at all, it can be manipulated to yield a number of mathematically interesting results.
is the 3/4 end female?
British Standard Pipe BSP technical standards for screw threads that has been adopted internationally for interconnecting and sealing pipes and fittings by mating an external male thread with an internal female thread. It has been adopted as standard in plumbing and pipe fitting , except in North America, where NPT and related threads are used. The thread form follows the British Standard Whitworth standard:. In the modern standard metric version, it is simply a size number, where listed diameter size is the major outer diameter of the external thread. The taper is , meaning that for each 16 units of measurement increase in the distance from the end, the diameter increases by 1 unit of measurement. The terminology for the use of G and R originated from Germany G for gas , as it was originally designed for use on gas pipes; R for rohr , meaning pipe. The standard ISO 7 - Pipe threads where pressure-tight joints are made on the threads consists of the following parts:. The standard ISO - Pipe threads where pressure-tight joints are not made on the threads consists of the following parts:. From Wikipedia, the free encyclopedia.
They include both tapered and straight thread series for various purposes including rigidity, pressure -tight sealing, or both. The various types are each named with a symbol and a full name, as follows: . Threaded pipes can provide an effective seal for pipes transporting liquids , gases , steam , and hydraulic fluid. The various types of pipe threads are designed for use both with or without thread sealants,  as particular applications demand. The sealants, where used, are typically thread seal tape thread sealant or a thread seal paste pipe dope sometimes similar in composition to plumber's putty. As the thread body is tapered 0. This means that NPT fittings should be burr -free and lubricated using a lubricant like lubricating paste or thread seal tape. The use of tape also helps to limit corrosion on the threads, which otherwise can make future disassembly nearly impossible. The standard for Nominal Pipe Size often abbreviated NPS, which should not be confused with the symbol NPS for the straight thread form standard is loosely related to the inside diameter of Schedule 40 series of sizes. Because of the pipe wall thickness of Schedule pipe, the actual diameter of the NPT threads is larger than the Nominal Pipe Size outside diameter, and considerably so for small sizes.