div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader043fdocumentsinreader043viewer20220221115c35f13f09d3f27e1e8b555ehtml5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: · prEN 12779:2004 E Figure 4 — Examples of duct access for inspection and cleaning Ducts branch ducts inspection doors dampers blast-gates fire-gates etc in ducting conveying src=https:reader043fdocumentsinreader043viewer20220221115c35f13f09d3f27e1e8b555ehtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader043fdocumentsinreader043viewer20220221115c35f13f09d3f27e1e8b555ehtml5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: · prEN 12779:2004 E Figure 4 — Examples of duct access for inspection and cleaning Ducts branch ducts inspection doors dampers blast-gates fire-gates etc in ducting conveying src=https:reader043fdocumentsinreader043viewer20220221115c35f13f09d3f27e1e8b555ehtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 3button div class=trans-image a href=https:reader043fdocumentsinreader043viewer20220221115c35f13f09d3f27e1e8b555ehtml5page3jpg target=_blank amp-img class=trans-thumb alt=Page 3: · prEN 12779:2004 E Figure 4 — Examples of duct access for inspection and cleaning Ducts branch ducts inspection doors dampers blast-gates fire-gates etc in ducting conveying src=https:reader043fdocumentsinreader043viewer20220221115c35f13f09d3f27e1e8b555ehtml5thumbnails3jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=trans-pagebuttonPage 4button div class=trans-image a href=https:reader043fdocumentsinreader043viewer20220221115c35f13f09d3f27e1e8b555ehtml5page4jpg target=_blank amp-img class=trans-thumb alt=Page 4: · prEN 12779:2004 E Figure 4 — Examples of duct access for inspection and cleaning Ducts branch ducts inspection doors dampers blast-gates fire-gates etc...