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Seiho's Model NTX-R Spiral Duct Mounted Aluminum TurboNozzle offers excellent architectural styling for directional control in supply applications. Designed specifically for direct mounting to exposed, round, sheet metal (spiral or k-d) ductwork, it provides an integral, readily-accessible, airflow adjustment in its installed position. The heavy-gauge anodized, aluminum and stainless steel construction is corrosion-resistant for years of service. The aluminum finish integrates seamlessly with the galvanized finish of exposed duct systems. Material  Heavy-Gauge Anodized Aluminum and Stainless Steel Construction Finish  Anodized (Custom Colors Available) Duct Sizes  6" 8" 10" 12" 14" 16" 18" 24" 28" Features  Exposed Duct Mounted  High Airflow Capacity  Long Throw Capability  Infinitely Adjustable 2-Axis Core      for Directional Control  Anodized Aluminum Body and      Stainless Steel Construction  Available for Standard Duct Sizes  Horizontal Throw  Vertical Throw Application by Factory Selection  Mounting Screw Fastening System Related Product: BS Butterfly Damper >>  NTX-R Download  Catalog  Submittal Sheet (Inch / Metric)  Performance Data (Inch / Metric)  High Resolution Picture

Model NTX-R Dimensions (PDF Version) Note: The nominal size (Measurement B) of NTX-R is 2" smaller than the duct size it mounts to. (Except for NTX-20R and NTX24R: 4" smaller than duct.) MODEL DUCT SIZE A B C D E F NTX 4R 6" 6 1/4 4 1 3/16 1 1 2 NTX 6R 8" 8 1/4 6 1 3/16 1 1 3 7/32 NTX 8R 10" 10 1/4 8 1 3/16 1 1 4 1/4 NTX 10R 12" 12 1/4 10 1 3/16 1 1 5 9/32 NTX 12R 14" 14 1/4 12 1 3/16 1 1 5 7/32 NTX 14R 16" 16 1/4 14 1 3/16 1 1 5 7/32 NTX 16R 18" 18 1/4 16 1 3/16 1 1 5 7/32 NTX 20R 24" 24 1/4 20 4 3/8 1 1/2 1 1/2 7 3/16 NTX 24R 28" 28 1/4 24 4 3/8 1 1/2 1 1/2 7 3/16 Dimensions are in inches. Product information is Subject to Change Without Notice

Performance Data (PDF Version) SIZE Neck Velocity (fpm) 300 400 500 600 700 800 1000 1200 1400 Velocity Pressure (in.,wg) 0.006 0.010 0.016 0.022 0.031 0.040 0.062 0.090 0.122 Deflection 0 22.5 0 22.5 0 22.5 0 22.5 0 22.5 0 22.5 0 22.5 0 22.5 0 22.5 4 Neck Area 0.077 sq.ft. CFM 30 40 50 60 70 80 90 110 130 SP(in.,wg) - - - - 0.023 0.047 0.037 0.050 0.050 0.078 0.066 0.093 0.085 0.116 0.100 0.170 0.174 0.232 NC - - - - - - 14 20 19 23 21 27 29 30 31 35 36 37 Throw (ft.) 8 7 9 7 10 8 11 9 11 10 12 10 12 11 13 12 14 13 6 Neck Area 0.180 sq.ft. CFM 60 80 90 110 130 150 180 220 260 SP(in.,wg) - 0.02 - 0.02 0.013 0.039 0.023 0.039 0.029 0.048 0.033 0.058 0.057 0.100 0.093 0.155 0.132 0.244 NC - - - - - - - - - 16 - 19 21 27 28 33 33 40 Throw (ft.) 9 7 11 9 13 11 14 13 14 11 11 17 16 18 21 19 23 20 8 Neck Area 0.349 sq.ft. CFM 100 140 170 200 230 270 330 400 460 SP(in.,wg) - - 0.008 0.016 0.016 0.024 0.019 0.032 0.040 0.047 0.044 0.080 0.071 0.095 0.120 0.166 0.170 0.240 NC - - - 17 - 17 15 17 19 20 21 25 24 31 26 32 34 39 Throw (ft.) 13 11 16 15 18 16 20 18 21 19 23 21 25 22 26 24 28 25 10 Neck Area 0.545 sq.ft. CFM 160 210 260 310 360 410 510 610 710 SP(in.,wg) - - - 0.017 0.009 0.026 0.015 0.034 0.026 0.043 0.034 0.053 0.046 0.077 0.065 0.110 0.085 0.200 NC - - - - - 15 - 19 19 21 15 16 23 27 24 31 33 37 Throw (ft.) 19 16 22 18 24 19 26 22 27 25 29 26 31 28 35 30 36 32 12 Neck Area 0.785 sq.ft. CFM 230 300 370 450 520 590 740 890 1030 SP(in.,wg) - - - 0.009 - 0.023 0.032 0.037 0.037 0.046 0.046 0.053 0.047 0.083 0.055 0.093 0.093 0.160 NC - - - - - - - - - 19 17 21 21 31 30 37 34 41 Throw (ft.) 24 20 26 22 27 25 30 27 32 30 33 30 39 36 40 38 41 39 14 Neck Area 1.069 sq.ft. CFM 310 410 510 610 710 810 1010 1220 1420 SP(in.,wg) - - - - - 0.024 0.028 0.039 0.026 0.038 0.028 0.047 0.038 0.056 0.047 0.094 0.141 0.235 NC - - - - - - - 15 15 20 15 28 23 29 28 33 35 40 Throw (ft.) 26 22 29 25 32 30 36 32 38 35 39 37 41 40 50 44 57 48 16 Neck Area 1.396 sq.ft. CFM 400 540 670 800 930 1070 1330 1600 1860 SP(in.,wg) - - - - - 0.030 0.021 0.032 0.031 0.038 0.038 0.037 0.047 0.038 0.056 0.066 0.066 0.080 NC - - - - - - - - - 15 - 16 22 25 29 32 34 37 Throw (ft.) 29 26 33 31 36 35 39 37 41 39 44 41 52 46 59 52 67 58 20 Neck Area 2.182 sq.ft. CFM 660 880 1100 1310 1530 1750 2190 2620 3060 SP(in.,wg) - - - - - 0.03 0.02 0.03 0.03 0.04 0.04 0.05 0.06 0.07 0.10 0.11 0.12 0.14 NC - - - - - - - 15 - 15 17 25 26 32 30 35 36 72 Throw (ft.) 40 37 45 41 46 45 53 48 57 53 63 56 71 63 80 79 88 72 24 Neck Area 3.142 sq.ft. CFM 950 1260 1580 1890 2200 2520 3150 3780 4400 SP(in.,wg) - - - - - 0.03 0.02 0.02 0.03 0.04 0.04 0.05 0.06 0.07 0.09 0.10 0.12 0.13 NC - - - - - - - 15 15 22 19 27 24 33 32 37 38 44 Throw (ft.) 46 44 52 48 57 53 62 57 67 62 73 67 83 76 93 85 104 95 THE THROW VALUES ARE BASED ON A 50 FPM TERMINAL VELOCITY. DASHED LINE IN SP BOX INDICATES STATIC PRESSURE IS LESS THAN 0.01 IN.W.G. DASHED LINE IN NC BOX INDICATES NOISE LEVEL IS LESS THAN 20. NC LEVEL IS BASED ON 10dB ROOM ATTENUATION(PWL RE:10-12 WATTS) WITH ONE DIFFUSER OPERATING. *Seiho International reserves the right to make changes without prior notice. *This performance data is proprietary to Seiho International, Inc., and shall not be used except as expressly authorized by the company.

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	BS Download  Catalog  Submittal Sheet (Inch / Metric)  High Resolution Picture
Model BS damper with multiple blades is designed for air volume control for round ducts. Continuously adjustable from the face with a screwdriver for quick and easy volume control just by twisting until the desired setting is reached. The multiple blades provide more precise control. All-steel construction for durability. Material  Heavy-Gauge Steel Finish  Black Sizes  6" 8" 10" 12" 14" 16" 20" 24" *Note: Not for use with flexible ducts.
Model BS Dimensions (PDF Version) MODEL DUCT SIZE A B C BS 6 6" 5 11/16 22/32 22/32 BS 8 8" 7 21/32 3/32 22/32 BS 10 10" 9 5/8 19/32 22/32 BS 12 12" 11 5/8 1 1/16 22/32 BS 14 14" 13 5/8 1 9/16 22/32 BS 16 16" 15 9/16 2 1/32 22/32 BS 20 20" 19 1/2 3 1/32 22/32 BS 24 24" 23 7/16 4 1/32 22/32 Dimensions are in inches. Product information is Subject to Change Without Notice