A pipeline through cabin piece for aluminum alloy boats and ships

The utility model discloses a pipeline through cabin piece for aluminum alloy boats and ships, including first nonrust steel pipe, a flange, a fastening bolt, first flat shim, the 2nd flange, the oneend of first nonrust steel pipe is provided with a flange, be provided with on the flange a fastening bolt, one side of a flange is provided with first flat shim, one side of first flat shim is provided with the 2nd flange, the 2nd flange's one end is provided with first intermediate junction pipe. Beneficial effect lies in: solve the stainless steel pipeline through the device and can't contact the condition that easily produces electrochemical corrosion by the problem and the dissimilar metal of beading on the aluminum alloy bulkhead, device simple structure, the usability is strong, and lowin production cost is honest and clean, can realize the protection to aluminum alloy cabin bulkhead, has prolonged the life of boats and ships. 本实用新型公开了种用于铝合金船舶的管路通舱件，包括第不锈钢管、第连接法兰、第紧固螺栓、第平垫片、第二连接法兰，所述第不锈钢管的端设置有所述第连接法兰，所述第连接法