Swagelok instrument piping
Thread Content
Swagelok’s instrument lines are available in imperial and metric versions. May I ask whether the pipelines and pipe fittings compatible with 1/2\" can be used together with M12 instrument pipelines? For example, is it possible to connect M12x1.5 stainless steel pipes using 1/2\" pipe fittings?
This post was last edited by qugd on 2011-2-10 at 10:33. There are conversion adapters available for imperial and metric specifications; by using the appropriate adapter, it is possible to combine pipe and valve components of different specifications together. Swagelok’s pipe and valve fittings are too expensive, and their sales staff also don’t have a very good attitude. You can choose other brands such as Parker and Hy-lok; their quality is excellent and the prices are not high.
A 1/2\" pipe fitting is used to connect M12x1.5 stainless steel pipes; it is not possible to connect them without an adapter. If forced to use it, either the threads will be damaged or the seal will not be tight.
It must be coordinated properly.
SWAGELOK imperial and metric versions belong to different specification standards; using them together can result in the collet failing to secure properly, leading to poor sealing and material leakage. M12*1.5 is a thread size specification; metric pipes are denoted by φ6, φ8, φ10… Metric and imperial pipes can be connected using 1/2"-φ12 straight-through fittings.
This post was last edited by Stone_HOTO on 2019-2-25 at 13:38. It is not recommended to mix them, as it complicates subsequent maintenance. A 1/2" pipe fitting can be used to connect to an M12x1.5 stainless steel pipe; this is acceptable—just use an adapter for the connection
The pitch of imperial threads differs from that of metric threads; it is possible to screw them on forcefully, but this will cause damage to the threads and the seal may not remain intact