Marine Air Vent Head CB/T3594-1994 type D/DS&E/ES

Marine Air Vent Head CB/T3594-1994 type D/DS&E/ES:1.Design standard:CB/T3594-1994.2.End standard:GB/T2501&GB/T569.3.End type:Flange.4.DN:50mm-350mm.5.Main material:Body/Bonnet:FC/FCD;Seat:NBR;Disc:SS304.6.Application:Oil cabin and water cabin air tube top.7.Function:Such air vent heads are used for pressure balance.8.Fundamental dimensions of Marine Air Vent Head CB/T3594-1994 type