PS/SRR-D (RAL9016) • Round ceiling diffusers

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Dimensions PS/SRR-D Ød [mm] A [mm] ØB [mm] H [mm] 160 158 595x595 310 105 200 198 595x595 395 118 250 248 595x595 490 135 315 313 595x595 615 145 Quick selection PS/SRR-D       160 200 250 315 Q Ak summer 0.031 0.046 0.069 0.106 Ak winter 0.029 0.042 0.06 0.088 B 1.2 2.4 3.6 1.2 2.4 3.6 2.4 3.6 4.2 3.6 4.2 4.8 200   H= 2.7 0.43 0.31 0.24 0.33 0.24 0.18             Vz H= 3.2 0.32 0.25 0.2 0.25 0.19 0.15               H= 3.8 0.25 0.2 0.17 0.19 0.15 0.13             Vk summer 1.8 1.2     Vk winter 1.9 1.3     X0,25 2.6 2     Y0,25 @Dt +10K 2.3 1.4     Ps summer 5 2     Ps winter 16 7     Lw(A) summer <20 <20     Lw(A) winter 30 <20     300   H= 2.7 0.64 0.46 0.36 0.49 0.35 0.27 0.26 0.2 0.18       Vz H= 3.2 0.48 0.37 0.3 0.37 0.28 0.23 0.21 0.17 0.16         H= 3.8 0.37 0.3 0.25 0.28 0.23 0.19 0.17 0.15 0.13       Vk summer 2.7 1.8 1.2   Vk winter 2.9 2 1.4   X0,25 3.9 3 2.2   Y0,25 @Dt +10K 3.2 2.8 2   Ps summer 12 5 2   Ps winter 36 16 8   Lw(A) summer 27 <20 <20   Lw(A) winter 44 33 21   400   H= 2.7 0.86 0.61 0.48 0.66 0.47 0.37 0.35 0.27 0.25 0.18 0.17 0.15 Vz H= 3.2 0.64 0.5 0.4 0.49 0.38 0.31 0.28 0.23 0.21 0.15 0.14 0.13   H= 3.8 0.5 0.4 0.34 0.38 0.31 0.26 0.23 0.19 0.18 0.13 0.12 0.11 Vk summer 3.6 2.4 1.6 1 Vk winter 3.8 2.6 1.9 1.3 X0,25 5.2 3.9 3 2 Y0,25 @Dt +10K 4.2 3.4 3.2 2.6 Ps summer 21 8 3 1 Ps winter 62 27 14 6 Lw(A) summer 37 26 <20 <20 Lw(A) winter 54 43 31 <20 600   H= 2.7 1.29 0.92 0.72 0.99 0.71 0.55 0.53 0.41 0.37 0.29 0.26 0.24 Vz H= 3.2 0.97 0.74 0.6 0.74 0.57 0.46 0.43 0.35 0.32 0.25 0.23 0.21   H= 3.8 0.74 0.6 0.51 0.57 0.46 0.39 0.35 0.29 0.27 0.21 0.19 0.18 Vk summer 5.4 3.6 2.4 1.6 Vk winter 5.7 4 2.8 1.9 X0,25 7.7 5.9 4.4 3.2 Y0,25 @Dt +10K 6 4.7 4.1 3.8 Ps summer 47 18 7 3 Ps winter 137 63 29 13 Lw(A) summer 52 40 27 <20 Lw(A) winter 68 57 45 32 800   H= 2.7       1.32 0.94 0.73 0.7 0.55 0.49 0.39 0.35 0.32 Vz H= 3.2       0.99 0.76 0.62 0.57 0.46 0.42 0.32 0.3 0.27   H= 3.8       0.76 0.62 0.52 0.46 0.39 0.36 0.27 0.25 0.24 Vk summer   4.8 3.2 2.1 Vk winter   5.3 3.7 2.5 X0,25   7.9 5.9 4.2 Y0,25 @Dt +10K   6.1 5 4.5 Ps summer   32 12 5 Ps winter   110 51 22 Lw(A) summer   50 37 23 Lw(A) winter   67 55 42 Symbols and specifications Q = Air Volume in m³/h Ak winter = Effective surface (free area) in m² given at the upper position of the inner adjustable cone Ak summer = Effective surface (free area) in m² given at the lower position of the inner adjustable cone B = Distance between diffusers in m H = Installation height of the diffusers in m Vz = Maximum velocity at the occupied zone, given for cooling at the lower position of the inner adjustable cone, regarding the distance between diffusers and installation height in m/s Vk winter = Average effective velocity for Ak winter through the diffuser in m/s Vk summer = Average effective velocity for Ak summer through the diffuser in m/s X0.25 = Horizontal throw in m at an endvelocity Vt of 0,25m/s isothermal at the lower position of the inner cone Y0.25 = Vertical throw in m at an endvelocity Vt of 0,25m/s with a temperature difference of +10K at the upper position of the inner cone Ps winter = Static pressure loss for Ak winter given in Pa Ps summer = Static pressure loss for Ak summer given in Pa Lw(A) winter = Acoustic power for Ak winter in dB(A) Lw(A) summer = Acoustic power for Ak summer in dB(A) The throw X0.25 is given at an end velocity of 0.25m/s for a smooth ceiling without any obstacles. In order to achieve a high comfort level, selections can be made according to the maximal velocity at the occupied zone Vz. These values are given at distances between diffusers B and installation heights H. Velocities Vz lower than, or equal to 0,25m/s at the occupied zone are advised. The pressure losses Ps are given for grilles without damper of with fully opened damper. The acoustic power Lw(A) are given for grilles without damper of with fully opened damper without room attenuation. Acoustic powers below 20dB(A) are mentioned as "<20" in the tables. For all special requirements, please contact our engineering office. Placement instruction CFD simulation Cooling CFD simulation Heating