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Air Outlet Series >> Displacement Air Outlet Series

SH-FS Thermostatic Square Diffuser

It is suitable for energy-saving air supply of air conditioning systems, capable of efficiently distributing airflow and eliminating temperature stratification.

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Product Description
Application and Characteristics
It is suitable for energy-saving air supply of air conditioning systems, capable of efficiently distributing airflow and eliminating temperature stratification. It can automatically switch to different air supply airflow patterns in winter and summer, namely coanda diffusion and downward diffusion. It integrates the functions of conventional horizontal supply diffusers and downward supply diffusers into one unit, delivering superior air supply performance.
The temperature-sensing actuator requires no power supply, featuring energy saving, environmental protection, maintenance-free operation, stable performance and intelligent operation.
Available face sizes: 300×300, 350×350, 400×400, 450×450, 500×500, 600×600.
Optional accessory: Air volume regulating damper.
Custom types: Manual type, temperature-sensing type.

SH-FS Thermostatic Square Diffuser Schematic Dimension Drawing


SH-FS Thermostatic Square Diffuser Cold & Hot Performance Table
Model & Specification Neck Air Velocity (m/s)
2 2.5 3 3.5 4 4.5 5 5.5 6
SHFS-F-15 Air Volume (m³/h)
127 159 190 222 254 286 318 350 382
Static Pressure Loss (Pa) H 4 6 8 12 14 18 22 26 33
V 7 10 13 1.8 25 31 38 45 55
Diffusion Radius (m) H 1 1.2 1.5 1.7 1.9 2.2 2.4 2.6 2.9
Effective Throw (m) V 1.5 18 2.2 2.5 2.9 3.3 3.6 3.9 4.3
Noise Level dB (A) H — — 20 22 24 28 31 35 39
V — — 21 25 29 32 36 4 43
SHFS-F-20 Air Volume (m³/h)
226 283 339 396 452 509 565 622 678
Static Pressure Loss (Pa) H 4 6 8 12 14 18 22 26 33
V 7 10 13 1.8 25 31 38 45 55
Diffusion Radius (m) H 1.3 1.6 1.9 2.3 2.6 2.9 3.2 3.6 3.9
Effective Throw (m) V 1.6 2 2.4 2.8 3.2 3.6 4 4.4 4.8
Noise Level dB (A) H — — 21 23 25 29 32 36 40
V — 20 22 26 29 33 36 41 44
SHFS-F-25 Air Volume (m³/h)
353 442 530 618 7.7 795 883 971 1060
Static Pressure Loss (Pa) H 4 6 8 12 14 18 22 26 33
V 7 10 13 18 25 31 38 45 55
Diffusion Radius (m) H 1.7 2.1 2.5 3 3.4 3.8 4.2 4.7 5.1
Effective Throw (m) V 1.9 2.3 2.8 3.3 3.8 4.2 4.7 5.2 5.7
Noise Level dB (A) H — — 22 24 26 30 33 37 41
V — 21 23 27 30 34 0.7 42 45
SHFS-F-30 Air Volume (m³/h)
509 636 763 890 1017 1144 1272 1399 1526
Static Pressure Loss (Pa) H 4 6 8 12 14 18 22 26 33
V 7 10 13 18 25 31 38 45 55
Diffusion Radius (m) H 2 2.5 3 3.5 4 4.5 5 5.5 6
Effective Throw (m) V 2.1 2.6 3.2 3.7 4.2 4.7 5.3 5.8 6.3
Noise Level dB (A) H — — 23 25 27 31 34 38 42
V — 22 24 28 31 35 38 43 46
SHFS-F-35 Air Volume (m³/h)
692 865 1038 1211 1385 1557 1731 1904 2077
Static Pressure Loss (Pa) H 4 6 8 12 14 18 22 26 33
V 7 10 13 18 25 31 38 45 55
Diffusion Radius (m) H 2.2 2.7 3.3 3.8 4.4 4.9 5.5 6 6.6
Effective Throw (m) V 2.4 3 3.6 4.2 4.8 5.4 6 6.6 7.2
Noise Level dB (A) H — — 23 25 27 32 35 39 42
V — 22 24 28 31 36 39 44 46
SHFS-F-40 Air Volume (m³/h)
904 1130 1356 1582 1808 2035 2261 2487 2713
Static Pressure Loss (Pa) H 4 6 8 12 14 18 22 26 33
V 7 10 13 18 25 31 38 45 55
Diffusion Radius (m) H 2.5 3.1 3.7 4.3 5 5.6 6.2 6.8 7.5
Effective Throw (m) V 2.7 3.3 4 4.7 5.4 6 6.7 7.4 8.1
Noise Level dB (A) H — 21 24 26 28 33 36 41 43
V — 23 25 29 32 37 41 45 48


 SH-FS Thermostatic Square Diffuser Specification & Dimension Table
Model A B ΦD Model A B C
SHFS-Y-15 310 276 276 FKFS-F-15 300 266 160
SHFS-Y-20 360 326 326 FKFS-F-21 350 316 210
SHFS-Y-25 410 376 376 FKFS-F-26 400 366 261
SHFS-Y-30 460 426 426 FKFS-F-31 450 416 310
SHFS-Y-35 510 476 476 FKFS-F-36 500 466 360
SHFS-Y-40 560 526 526 FKFS-F-46 600 566 460


SH-FS Thermostatic Square Diffuser Cold and Hot Performance Table
Model & Specification Neck Air Velocity (m/s)
2 2.5 3 3.5 4 4.5 5 5.5 6
SHFS-F-15
(Face Size 300x300) 		Air Volume (m³/h)
168 208 249 291 332 374 415 457 499
Static Pressure Loss (Pa) H 4 6 8 12 14 18 22 26 33
V 7 10 13 18 25 31 38 45 55
Diffusion Radius (m) H 1.3 1.6 2 2.3 2.6 2.9 3.2 3.5 3.9
Effective Throw (m) V 1.6 2 2.4 2.8 3.2 3.6 4 4.4 4.8
Noise Level dB (A) H — 22 23 24 25 27 31 33 36
V — 24 27 29 31 33 35 37 40
SHFS-F-21
(Face Size 350x350) 		Air Volume (m³/h)
317 397 476 555 635 714 794 873 952
Static Pressure Loss (Pa) H 4 6 8 12 14 18 22 26 33
V 7 10 13 18 25 31 38 45 55
Diffusion Radius (m) H 1.5 1.8 2.2 2.6 3 3.3 3.8 4.1 4.5
Effective Throw (m) V 1.8 2.2 2.7 3.1 3.6 4 4.5 4.9 5.4
Noise Level dB (A) H — 23 24 25 26 28 32 34 37
V — 25 28 30 32 34 36 38 41
SHFS-F-26
(Face Size 400x400) 		Air Volume (m³/h)
490 613 735 858 981 1103 1226 1348 1471
Static Pressure Loss (Pa) H 4 6 8 12 14 18 22 26 33
V 7 10 13 18 25 31 38 45 55
Diffusion Radius (m) H 1.7 2.1 2.5 2.9 3.4 3.8 4.2 4.6 5.1
Effective Throw (m) V 1.9 2.3 2.8 3.3 3.8 4.2 4.7 5.2 5.7
Noise Level dB (A) H — 24 25 26 27 28 34 35 39
V 22 26 29 31 33 35 38 40 43
SHFS-F-31
(Face Size 450x450) 		Air Volume (m³/h)
692 865 1038 1210 1383 1556 1730 1902 2075
Static Pressure Loss (Pa) H 4 6 8 12 14 18 22 26 33
V 7 10 13 18 25 31 38 45 55
Diffusion Radius (m) H 1.9 2.3 2.8 3.3 3.8 4.2 4.7 5.2 5.7
Effective Throw (m) V 2.2 2.7 3.3 3.8 4.4 4.9 5.5 6 6.6
Noise Level dB (A) H — 25 27 28 29 31 35 37 41
V 23 27 31 33 35 37 39 42 45
SHFS-F -36
(Face Size 500x500) 		Air Volume (m³/h)
933 1166 1400 1633 1866 2100 2332 2566 2800
Static Pressure Loss (Pa) H 4 6 8 12 14 18 22 26 33
V 7 10 13 18 25 31 38 45 55
Diffusion Radius (m) H 2.1 2.6 3.1 3.6 4.2 4.7 5 5.7 6.3
Effective Throw (m) V 2.4 3 3.6 4.2 4.8 5.4 6 6.6 7.2
Noise Level dB (A) H 21 26 29 30 31 32 37 39 43
V 24 28 33 35 36 38 41 45 47
SHFS-F -46
(Face Size 600x600) 		Air Volume (m³/h)
1523 1904 2285 2666 3047 3428 3809 4190 4570
Static Pressure Loss (Pa) H 4 6 8 12 14 18 22 26 33
V 7 10 13 18 25 31 38 45 55
Diffusion Radius (m) H 2.2 2.75 3.3 3.8 4.4 4.9 5.5 6 6.6
Effective Throw (m) V 2.5 3.1 3.7 4.3 5 5.6 6.2 6.8 7.5
Noise Level dB (A) H 23 27 31 33 33 35 42 42 45
V 27 30 35 38 39 41 45 48 51

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