Patent ID: 6230573
Filing Date: 2001-05-15
Classification: G01N

Abstract:
A device for gas sampling for gas analysis using a detector tube, the device comprising:a test gas container with a gas inlet, a gas outlet, a mounting opening for the detector tube and with a break-off device for breaking off a detector tube tip located in said mounting opening;a gas inlet nonreturn valve having an inlet valve seat, an inlet valve closing body and an inlet valve spring, said inlet valve spring pressing said inlet valve closing body against said inlet valve seat to hold said inlet valve closing body in a closed position; anda gas outlet nonreturn valve having an outlet valve seat, an outlet valve closing body and an outlet valve spring, said outlet valve spring pressing said outlet valve closing body against said outlet valve seat to hold said outlet valve closing body in a closed position, said gas inlet nonreturn valve being arranged in relation to said gas outlet nonreturn valve such that a sample gas flow can be established from said gas inlet pipe to the said gas outlet pipe.