These are adapters used as connection elements between the measuring device and the test hose. Equally available are direct connectors ,used in applications where the use of test hoses are not desired.
The gauge adapters are available with test coupler connections M 16x2 and with connections to DIN 2353 with 24° internal cone, for gauges G ¼” and G 1/2”. The thread sealing for the cylindrical connection thread is made by dki – rings.
Gauges with NPT – threads are sealed on the tapered thread.
The various possibilities of connection and installation of the various sizes and styles of gauges lead to a considerable variety of adapters.