SystemAir IMOS-RK Technical Conditions Download Page 6

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TPI 16-05

Diagram 1: The dependence of the flow velocity, pressure drop of IMOS-RKT at different opening posi-
tions of the damper blades

Diagram 2: The flow of air mass through the closed IMOS-RKT tight regulating damper and non-tight
regulating damper IMOS- RK according to STN EN 1751 depending on the pressure drop.

Summary of Contents for IMOS-RK

Page 1: ...REGULATING DAMPERS IMOS RK IMOS RKT TECHNICAL CONDITIONS TPI 16 05 IMOS RK IMOS RKT 900 43 Kalinkovo 146 Slovakia Tel 00421 2 40203111 40203112 Fax 00421 2 45989179 Email imos imos sk http www imos sk ...

Page 2: ...the duct It is possible to connect the damper to the flanges of width 20mm P20 and width 30 mm P30 The IMOS RK and IMOS RKT regulating dampers con sist of rectangular frame manufactured from horizontal 1 and vertical 2 channel frames between which the channel blades 4 are situated The channel blades 4 in the IMOS RK and IMOS RKT dampers where the width is less than 1000mm form one field In dampers...

Page 3: ...MOS RK axb R and IMOS RKT axb R if b 900 Adjusting mechanism shown in fig 3 is used only for IMOS RKT dampers which have the nominal dimension b 900 It is delivered in two models and is mounted next to the side channel 1 Fig 3a shows the manufacture of a mechanism that supplements adjusting and arresting mechanism shown in fig 2 Two pins 4 and 2 go through the side chan nel 1 After mounting of adj...

Page 4: ...ve as a connection to the duct Manual operation R The parts designed to control the damper are made of non alloy construction steel with zinc plat ed surface The connecting material has either anticorrosive finish or is made of aluminum For the damper IMOS RKT is the manual operation shown if the dimension a 1000 in fig 2 and if a 1000 in fig 3 The model of damper IMOS RK with manual operation is ...

Page 5: ...S and IMOS RKT axb S with a mounted servomotor if a 1000 b 900 when b 900 b b 9 mm Fig 4 IMOS RK axb R and IMOS RKT axb R if a 1000 b 900 b 900 b b 9 mm Fig 5 IMOS RK axb R and IMOS RKT axb R if a 1000 b 900 b 900 b b 9 mm Figure 8 The torque values for closing the damper by a servomotor IMOS RK IMOS RKT ...

Page 6: ... pressure drop of IMOS RKT at different opening posi tions of the damper blades Diagram 2 The flow of air mass through the closed IMOS RKT tight regulating damper and non tight regulating damper IMOS RK according to STN EN 1751 depending on the pressure drop ...

Page 7: ...er weights of IMOS RK and IMOS RKT kg Term for calculation for damper effective areas Effective area Sef m2 for a 1000 Sef a x b 1000000 k x 0 015 x a 1000 m2 for 2000 a 1000 Sef a x b 1000000 k x 0 15 x a 1000 0 038 x b 1000 m2 where k b 78 rounded off down to a number ...

Page 8: ... 2 We will then determine the cross section of the duct from the relationship S axb 1 4x1 6 2 24 m2 Accord ingly the total flow through the damper will be qC qVLBA S 68 4 x 2 24 153 2 m3 h 1 Explanatory notes a a damper width mm p pressure difference in flow meter Pa b b damper height mm qC flow when damper closed m3 h 1 l s 1 v flow velocity in the duct m s 1 qvLBA flow through leakage of the dam...

Page 9: ...inserted into the holes produced according to the carobs of duct contra flange The same result can be attained also by applying two sets of four retracting connectors fitted onto the frame channel with a width of 25 mm Between the flanges it is needed to insert a soft sealing with one side being self adhesive When mounting a damper with dimensions equal to or greater than 750 750 we should combine...

Page 10: ...y of the supplied products by testing them The IMOS RK and IMOS RKT products are in accordance with legislative regulations applicable to product testing and certification VII APPENDIX Any deviation from these technical conditions should be discussed with the manufacturer The manufacturer reserves the right of technical innovation and therefore these technical conditions can be subject to a change...

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