Diagnostic Couplings are intended to provide facility to access system pressure for the purpose of pressure measurement.
For transmitting pressure through these couplings to the measuring devices, no special tools are needed. These couplings can be connected by hand even at rated pressure.
These couplings are equipped with protective caps to avoid ingress of foreign particles, when the couplings are not in use. This is also a Safety device against vibration.
These couplings also can be used for purging air from the system.
Working Pressure 630 bar (9000 PSI) according to ISO 15171-2
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