::: Air Vent Head - Box Type ( Welding ) ::: Type Approval authorized by Classification Societies. ( ABS, BV, DNV, GL, KR, L.R, RINA ) Weather Tightness by New Snap Lip Seat Minimization of size Notable Weight Reduction Fundamental of Design WEATHER TIGHTNESS IS DEMANDED FOR SHIP’S AIR VENT HEAD IN ACCORDANCE WITH THE RULES AND REGULATIONS OF CLASSIFICATION SOCIETIES. FOR EXISITING AIR VENT HEAD, BECAUSE THE LOWER PART OF THE SEAT CONTACTS DIRECTLTY WITH THE DISC AS THE CLOSING LINE OF THE SURFACE, THERE IS A POSSIBILITY OF SOME LEAKAGE. THEREFORE THE SEAT SHOULD BE IMPROVED ESSENTIALLY FOR A PREPARATION AGAINST A BAD CONDITION LIKE A DAMAGED STATUS OF THE SEAT. IN THIS REGARD, OUR COMPANY GS DEVELOPED NEW SNAP LIP SEAT OF AIR VENT HEAD WHICH IS EXCELLENT IN TIGHTNESS DUE TO THE ADDITIONAL THIN SNAP LIP IN FLEXIBLE RUBBER. IT WILL COVER FROM ANY SLIGHT GAP PERFECTLY. MINIMIZATION OF THE SIZE IS REQUIRED FOR REDUCING A DEAD SPACE IN PIPING ARRANGEMENT ON BOARD. WE DESIGNED ITS SIZE COMPACTLY FOR THE OUTSIDE VIEW AND THE AVAILABLE SPACE. YOU CAN FIND OUT THE SUPERIORITY OF OUR PRODUCT IN COMPARISON WITH EXISTING AIR VENT AS BELOW. GS Air Vent - Box Type Size (N.D) Length x Breadth( mm ) 　 Size (N.D) Length x Breadth( mm ) 50A 110 x 159 125A 178 x 276 65A 142 x 182 150A 221 x 318 80A 142 x 217 200A 265 x 425 100A 158 x 232 250A 318 x 520 Paint : Hot Dip Gal'v *Note : Paint spec is alterable acc. to customer's oder. Other existing air vent Size (N.D) Length x Breadth( mm ) 　 Size (N.D) Length x Breadth( mm ) 50A 135 x 177 125A 266 x 288 65A 146 x 203 150A 312 x330 80A 156 x 231 200A 390 x 432 100A 241 x 250 250A 471 x 546 AS AN OUTFITTING OF SHIP, WEIGHT OF AIR VENT HEAD MUST BE LIGHT FOR HER DEAD WEIGHT. AIR VENT HEAD IS GENERALLY MADE BY CASTING IRON THAT CAUSES SOME DEFECTS LIKE A HEAVY WEIGHT, IRREGULAR THICKNESS, CORROSION AND BRITTLENESS. WE DESIGNED AIR VENT HEAD - BOX TYPE WITH A STEEL PLATE OF A REGULAR THICKNESS WHICH RESULTED IN THE NOTABLE WEIGHT REDUCTION AND EASY USAGE. WE ARE TRYING OUR BEST TO SATISFY OUR CLIENT WITH GOOD QUALITY. The Weight of GS Air Vent - Box Type Size ( N.D ) Weight ( Kg ) 　 Size ( N.D ) Weight ( Kg ) 50A 7 200A 60 65A 11 250A 76 80A 13 300A 104 100A 15 350A 136 125A 26 400A 176 150A 37 450A 218 Technical Information THE GS AIR VENT HEAD ? BOX TYPE IS COMPOSED OF A BODY AND A CHAMBER. THE BODY IS WELDED IN ORDER TO REDUCE THE WEIGHT AND FACILITATE THE INSTALLATION WORKS. IN ADDITION, THE FLANGE SIZE IS ADJUSTABLE ACCORDING TO THE BUYER’S ORDER. THE CHAMBER HAS AN OPENNING FOR THE SEAT THAT MAY BE CLOSED BY DISC OR BALL TYPE FLOAT WHEN SEA WATER FLOWS IN ACCIDENTLY. ESPECIALLY, THE SEAT OF THE BOX TYPE IS DEVELOPED WITH THE NEW SNAP LIP IN A FLEXIBLE AND ELASTIC RUBBER TO COVER FROM ANY SLIGHT GAP PERFECTLY. ALSO THE CHAMBER HAS ONE OR TWO SIDE OPENINGS THROUGH WHICH WATER CAN BE OVERFLOWED OR DRAINED. THUS THE BOX TYPE IS EXCELLENT IN THE LIGHT WEIGHT AND THE PERFECT TIGHTNESS. THE AIR VENT HEAD CAN BE SUPPLIED WITH A FLAME SCREEN SO DENSE AS TO PREVENT FROM A BACKWARD FLOW INTO THE TANK AND SO WIDE AS TO MINIMIZE HYDRAULIC RESISTANCE. Currency: USD Unit Price: Quantity: Delivery: