Posted 20 hours ago

G Thread (Metric BSPP) Female to NPT Thread Male Pipe Fitting Adapter - Lead-Free (Two 3/4 inch)

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This is the source of the confusion, as people incorrectly think the size refers to the outside diameter of the male thread. The inner diameter of connector: 25mm(/G3/4inch), outer diameter: 20mm(G1/2inch), overall length: 34mm/1. If accuracy is critical, base your final decisions on the data provided in the root document: ISO 228; which is a copyrighted document. For complete details of the different sizes for this type of process connection, view this National Pipe Thread page. British Standard Pipe ( BSP) is a set of 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.

The size number was originally based on the inner diameter (measured in inches) of a steel tube for which the thread was intended, but contemporary pipes tend to use thinner walls to save material, and thus have an inner diameter larger than this nominal size. They are often referred to as metric connections because they are used in the metric system and the dimensions are based on metric measurements. If you have any questions for our product, please contact us, we will reply to you in under 24 hours. One way to find out is to remove it from the installation and look at its threads, but this will result in downtime if the process is active. Where can we source a pressure DP transmitter flanged with a flush diaphragm for liquid level measurement with an output over 0-200 inH2O?While it is possible to mix and match NPT and BSP in most applications if the right amount of dope is used, I would tend not to recommend it. The 103 third parties who use cookies on this service do so for their purposes of displaying and measuring personalized ads, generating audience insights, and developing and improving products. The threaded part(s) of plumbing fittings are usually made to a British Standard Pipe Thread size (BSP). Prefixing with G, is equivalent to adding BSP after the pipe size, although BSPP is more strictly correct to define the parallel version. Due to the spiral leak path, however, Teflon® tape (PTFE) or a sealing compound is required to create a good seal.

To avoid damaging the pressure gauge’s threads, regardless of the connection type, use the right wrench and use it only on the flat area of the socket.

Also, for the G1/2B connection, you need a gasket because the thread bottoms out and that’s where you need to create a seal.

Just to confuse things further, often the T in BSPT refers to Thread and doesn't indicate either Taper or Parallel.

I have a pressure sensor for use on air with a G1/4 female process connection and would like to convert it so it can accept 6mm OD tubing. In a way, it looks like that it could work but in general, we do not recommend combining two dissimilar threads with each other. SKF Connection Nipple: SKF provides a wide range of connection nipples covering many different thread combinations and sizes. These high quality, male threaded to tube adapters offer a variety of Metric, G parallel or R tapered threads and diameters to suit each and every connection.

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