산업용댐퍼, 선박용댐퍼, 피압구, 과압배출구, 아이리스댐퍼, 샌드트랩루버 전문업체
Body and cap constructed of Zn-diecasted.
To be screwed to the duct.
Rubber gasket to prevent air lekage.
Cap to be chain linked to the body flange.
Letter " TEST HOLE" engraved on the face of the cap.