Inner thread cylindric
outside thread cylindric (Tol. class A)
Application:
Pipe thread, for connections not sealing in the thread.
Description:
This thread suits mainly for a mechanical connection of fittings and armatures. The sealing of the connection will be effected by a mechanical pressing-connection of the two sealing surfaces outside of the threads or via intersertation of a suitable seal. The screw-in tap of size A (with sealing ring), of the size B (with sealing rim) and of size E (acc. special agreement) and the correspondent screwing in holes of size X (with discharge) and size Y (with nut), each acc. DIN 3852 part 2 (see pages 8 - 9) show G-threads acc. to this norm.