Very good communication. May Only place on the net to get hard to find fittings. Mar Works great. Fast shipping. Jan As advertised! Sep Store price double of this. Highly recommended. Aug Good dealer. Metric thread type is most common in Europe. It has a cylindrical inner and outer diameter precise in millimeters.
The fine taper of metric tapered thread allows for the best possible force transmission. M22 x 1. Airtac offers a variety of cost-effective replacement pneumatic parts. However, it can be a challenge finding the exact part you need to replace. Luckily our product specialists can guide you through figuring out what part you have on hand. One crucial piece of information our parts specialists need to know is the thread type.
But when you have a machine down, the last thing you want to do is take out your measuring tools and charts to find what threads are on your solenoid valve.
Do you know where your equipment was manufactured? You may need to reference the user manual to find this information or contact the original equipment manufacturer. Does your product require fittings? It may be possible to simply replace these fittings to make them compatible with a PT threaded product. For dire situations, use PFTE thread seal tape. We recommend this as a last resort though. Thread types can be a little overwhelming to grasp at first.
However, having the right tools can a make a world of a difference. We hope this guide is useful and insightful. If you have any questions, feel free to contact us or simply leave a comment below. Lastly, make sure to take all this valuable information with you in our downloadable Thread Identification Guide.
Close menu. Log In Create Account. Blog Menu. Pitch Gauge — A pitch gauge measures the threads per inch. The nominal size refers not to the outside of the pipe, nor even to the outside of the thread, but to its internal bore - the inside of the tube where the fluid flows. It makes sense when sizing pipes for flow rate but it makes things confusing when measuring for replacement parts.
Below is a summary of the common BSP thread sizes in used with cast iron radiators and their corresponding actual outside diameters in millimetres. The actual outside diameter is what you can measure when looking at a valve tail, a threaded nipple, reducing bush or an opening in the radiator.
Parallel G threads are used where the seal is made on a mating face, like inside a cast iron radiator with the aid of a gasket. Tapered fittings achieve a tight thread-to-thread seal with the help of a little sealant such as PTFE tape or hemp and Boss White. We've made a handy PDF that you can print out at home to use as a gauge when measuring threads. It includes circles that are sized for various BSP threads as well as a handy cut-off tape measure that wraps around the pipe if the ends aren't accessible.
View our complete range of replacement parts for DIY radiator refurbishment. You'll find them here. Right first time We've made a handy PDF that you can print out at home to use as a gauge when measuring threads.
Our valves use self-sealing BSP tails and 15mm compression fittings. Mercury 4 Column mm in Beaten Brass. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. However, you may visit "Cookie Settings" to provide a controlled consent. Cookie Settings Accept All.
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