I nā lā mua, ka Hose Discharge me Sandwich Flange e hoʻohana nuiʻia ma ka hale kūʻai nui o Dredgers. He mea kaulana ia no konaʻoi aku ka maikaʻi a ua hoʻohana nuiʻia. Eia, me ke hoʻomohalaʻana o kaʻoihana hoʻolahaʻana, ua nui ka nui o ka neʻeʻana o nā pakelika,ʻaʻole iʻoi aku ka nui o ka hana dialines ʻO ka hose Discharge me ka pale o ka pākī ke palenaʻia ma muli o ka ikaika o kona mau pono kīwī kiʻekiʻe e like me keʻanoʻoi aku ka ikaika.

I kēia manawa, ua hoʻohanaʻia ka Hose me kaʻapo mauʻo Sandwich Flange i nā pākeke kīwī nui i nā papahana Dredging. Ma ka maʻamau maʻamau i hoʻohanaʻia i nā pale balota me ka'āpana liʻiliʻi liʻiliʻi (ʻo ka 600mm ka paona),ʻaʻoleʻoi aku ka nui o nā hana ma ka helu 20Mpa.

ʻO nāʻano āpau o nā hua CDS CDS i hanaʻia i nā mea kūpono kūpono loa. Ke hōʻike nei kā mākou loea i nāʻano huahana kūpono kūpono a me nā hana maʻamau e like me nā koi o nā mea hoʻohana, hoʻopaʻaʻia nā koi a me nā koi o nā kūlana'ē aʻe.