AIR-VENT PIPE JACK

摘要

FIELD: instrument engineering. ^ SUBSTANCE: said jack is designed to be used for an air-vent pipe and induces wind pressure natural exhaust of contaminated air. The jack carries a diffuser, a shell ring and a cover cowl which is additionally supplied with a blanketed outer heat sealing. ^ EFFECT: higher performance reliability and service life of the device. ^ 1 dwg