| 摘要 |
The invention relates to a method and device allowing static injection into a duct under pressure with self regulation. The device according to the invention comprises: an inlet 1 linked to a pressure regulator 2, a tube 3 communicating with the static meter 4, equipped with a conical throttle 5 prolonged by a channel 6 which communicates with an intake T-branch 7, itself communicating with a membrane-type regulation chamber 8 prolonged by an intake line 9 for the product to be metered comprising two calibration markers 13 and 14. <IMAGE>
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