Decompression damper Inert gas damper EKO–JBGI Description Design The EKO–JBGI inert gas damper is intended for use The EKO–JBGI inert gas damper is available with as protection against fire in adjoining premises or for guide or flange connection and is fitted with two in- decompression in data rooms or other sensitive spection hatches on the drive side. The damper areas containing valuable technical equipment. The blade axle must always be mounted in a horizontal damper frame is from our type approved EKO–JBG position. The damper drive unit is a pneumatic motor combustion gas damper. The damper is designed in with spring return and adjustable pressure reducing accordance with the requirements of the Swedish valve with manometer on the secondary side and, standard VVS AMA 98, section QJD. wherever necessary, two contacts for indicating the The damper is for installation in fire isolation building cells in accordance with fire technical classification up position of the damper blade. The EKO-JBGI inert gas damper is manufactured of to EI120. The inert gas damper is normally closed. hot-dip galvanised sheet steel to environmental classifi- When emissions of inert gas occur, the damper opens cation M2. The damper blades are made of solid fire- and the wall constructions in the premises are decom- resistant material. The inert gas damper may also be pressed. More information on the damper is available supplied in alternative materials such as stainless steel under EKO-JBG. 2333 or acid resistant 2343 for increased environmental The EKO–JBGI inert gas damper drive unit is con- requirements. nected to the inert gas installation via a pipe system. When emissions of inert gas occur, the damper Air tightness classification opens via the drive unit and the spring is tensioned. The damper is equipped with a sealing gasket on the When the gas fills the room, the pressure in the inert air side equivalent of class 4, VVS AMA 98. gas installation drops and the spring in the drive unit There is also a sealing strip around the damper closes the damper. frame, that expands and seals if the damper is exposed The damper must always be installed with the to heat. drive unit in the protected room. Because the EKO–JBGI is not connected to the Working pressure ducting, it must be fitted with a wire mesh grille. The working pressure of the damper is max. 2500 Pa, Manual movement of the inert gas damper is con- pressure class B, differential pressure with ducted once a year in connection with testing of the closed blades. inert gas installation. EKO VENTILATIONSDETALJER AB, Mejselgatan 7, SE-235 32 Vellinge, Sweden, TEL: +46 (0)40-42 16 15, FAX: +46 (0)40-42 25 18, E-MAIL: [email protected], INTERNET: www.ekovent.se Decompression damper Sizes Accessories The EKO-JBGI inert gas damper is manufactured in a EKO-ANS Connection adapter for spiral ducting. large number of standard dimensions, from 200x200 EKO-FLS Extension adapter for walls or beams to 1200x1000 mm. thicker than 360 mm and in combination with connection adapter EKO-ANS or Maintenance wire mesh grille EKO-N. We recommend preventive maintenance of the dampers EKO-GIS as required by the plant in which they are installed. The Erection collar for damper mounting in plasterboard walls material for making damper blades and interior surfaces are cleaned with a good not included. brush, vacuum cleaner or by wiping down. NOTE! Water EKO-KER Material for making good walls. or other liquids must not be used. EKO-MFL Counter flange. EKO-INR Wall frame. EKO-N Wire mesh grille. Mounting instructions See EKO-JBG. How to order EKO-JBGI Designation: Inert gas damper EKO-JBGI-A-B-C-D A B C D SIZE MATERIAL CONNECTIONDAMPER MOTOR (Width x Height) 1 = Galvanized 5 = Flange 2 = Aluzinc (M3) 6 = Guide 7 = Pneumatic damper motor 3 = Stainless steel SS 2333 4 = Stainless steel SS 2343 Example: 1 Decompression damper EKO-JA-400x200-1-6-7 EKO VENTILATIONSDETALJER AB, Mejselgatan 7, SE-235 32 Vellinge, Sweden, TEL: +46 (0)40-42 16 15, FAX: +46 (0)40-42 25 18, E-MAIL: [email protected], INTERNET: www.ekovent.se Decompression damper Technical data EKO-JBGI Dimensions Inert cas pressure 60-80 bars Max 200 spacing n = 200 C 20 600 D D 50 Operating pressure Inert gas connection Inspection hatches 1/4" NPT internal thread C B spacing n = 200 C 4-6 bars Guide connection Ø 12 19 40 A 185 230 185 Standard sizes Free area for open damper A or B C Number spacing n D 200 250 300 350 120 145 170 195 0 0 0 0 0 0 0 0 400 500 600 650 120 170 120 145 1 1 2 2 0 0 0 50 700 800 900 1000 170 120 170 120 2 3 3 4 50 100 150 200 1100 1200 170 120 4 5 - Width Height Area 200 300 400 500 200 300 400 500 2.6 6.9 13.2 21.5 600 700 800 900 600 700 800 900 31.8 44.1 58.4 74.7 1000 1100 1200 1000 1000 1000 93.0 102.3 111.6 Weight for standard sizes* A B 200 250 300 350 400 450 500 600 700 800 1000 1100 1200 200 250 300 350 20 21 21 23 21 23 24 25 21 24 25 27 23 25 27 29 25 27 29 31 26 28 31 33 28 30 33 35 32 33 37 39 35 37 40 43 38 42 44 46 45 48 51 54 48 52 55 58 52 55 59 62 400 450 500 600 25 26 28 33 27 28 30 34 29 31 33 38 31 33 35 40 34 35 37 42 35 37 39 45 37 39 45 47 42 44 48 50 45 48 51 57 49 52 55 65 58 61 64 75 62 65 69 79 66 69 73 83 700 800 900 1000 36 39 42 45 38 42 45 49 41 45 48 51 44 47 51 56 46 50 55 60 49 53 57 62 52 56 60 65 57 62 66 70 62 67 82 77 70 73 78 84 82 95 98 100 85 97 100 105 90 99 105 110 * Weight in kg, including damper motor. EKO VENTILATIONSDETALJER AB, Mejselgatan 7, SE-235 32 Vellinge, Sweden, TEL: +46 (0)40-42 16 15, FAX: +46 (0)40-42 25 18, E-MAIL: [email protected], INTERNET: www.ekovent.se
© Copyright 2024 ExpyDoc
