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

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As for the “A” or “B” in some name, such as the common G ¼ B connection type, the letter denote lets users know 1) it’s a male thread, as female BSP threads don’t have a final letter, and 2) its tolerance class. 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. Thermostatic radiator valve with automatic flow limitation for large radiators and low temperature spreads. They are often referred to as metric connections because they are used in the metric system and the dimensions are based on metric measurements. Compared with other same products in the market, this shower hose joint has thicker interface, explosion-proof and pressure-resistant, more durable, suitable for Grohe tap, ballfix valve, the adapter can be applied for 13mm EU taps and 15mm UK faucet, and with the rubber washer make more sealed and leak-proof.

If the pressure is not going to exceed 16 bar we would suggest a John Guest PM010612E 6MM x 1/4″ straight threaded to tube adapter fitting. If calipers are handy, a third method is to measure the angle between threads: NPT threads are 60°, while BSP threads are 55°. G Thread is a parallel (straight) pipe thread (BSPP - British Standard Pipe Parallel), which has a constant diameter. It's also silicone-free, so you can use it in no-contamination manufacturing units like soldering, special packaging or coating facilities.

DIN3852-E type pressure fittings include a channelled profile in the sealing face for accepting an elastomer seal. Some pressure connections also include a tapered shank which assists in the correct alignment of the bonded seal. Due to the spiral leak path, however, Teflon® tape (PTFE) or a sealing compound is required to create a good seal.

Have you ever looked at a pressure gauge in a pipe assembly and wondered which connection type it has? Male (external) NPT connections are somewhat conical, with the diameter of the threads decreasing slightly from socket to tip. Taper threads, British Standard Pipe Taper thread ( BSPT), whose diameter increases or decreases along the length of the thread; denoted by the letter R. To assist you with any product related question we created a request form which enables you to contact us in the most convenient way. The threaded part(s) of plumbing fittings are usually made to a British Standard Pipe Thread size (BSP).I know this thread is very old, but I'm adding just in case someone stumbles upon it looking for information.

If you have any questions for our product, please contact us, we will reply to you in under 24 hours. The main benefit of this connection type is it’s convenience at being integral to the process connector eliminating the need for additional components or alignment of the seal. If you select "Continue" or continue to browse the site without customizing your choices, you agree to our use of cookies. BSP Male DIN16288 and G1/4 Male EN837 are a couple of examples of how this style of connection is described. Neither will work, BSP or G parallel threads are not compatible with NPT tapered threads, ideally you should use an adapter between the two threads to be sure of a reliable seal between the two different types of thread.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. This straight screw in connection is designed with male threads and a compression ring fitting connection.

As sealing of the connection takes place on the washer and not on the thread itself, no sealing compound or PTFE tape is required. 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. For a taper thread, it is the diameter at the "gauge length" (plus/minus one thread pitch) from the small end of the thread. 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. Both the A and the B forms connect to the same female thread and seal without a problem in combination with a sealing gasket.

BSP sizes don't match up with what you measure on the scale of a ruler, which can obviously cause some confusion. Inch BSP - Central heating oil line connectors, some European toilet cistern fill valves (not common in UK).

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