ErP ROOF UNITS - ROOFMASTER STOF VERTICAL FEATURES ELECTRICAL SUPPLY AMBIENT TEMPERATURE RANGE SIZES MATERIAL AND DESIGN

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161 ROOF UNITS - ROOFMASTER STOF VERTICAL FEATURES 8 sizes Volume flows up to 4.7 m 3 /s Static Pressures up to 1050 Pa Both EC- and AC-versions available Insulated and non-insulated casing Low sound level High efficiency Speed controllable ErP 2015 compliant ELECTRICAL SUPPLY 230V/50Hz/1f 400V/50Hz/3f AMBIENT TEMPERATURE RANGE -20 C to +60 C (dependant on size) SIZES 190, 225, 310, 355, 400, 450, 500 and 630 mm 225, 310, 355, 400 mm available with insulated casing. MATERIAL AND DESIGN The fan casing is manufactured from black pre-painted galvanised sheet steel or aluminium and zinc coated sheet steel. The fan discharges air upwards. MOTOR AND IMPELLER The impeller has backward curved blades and is manufactured from polyamide (plastic) and is located inside the airstream. The motor is of the external rotor type.. 1 phase AC motors are equipped with thermal contact. See motor IP class in the motor table. INSTALLATION Fans are suitable for different roof curb mounting using an installation frame or can be fitted directly to roof base. PRODUCT CODE - STOF-190-VAC-102-0 STOF-aaa-bbb-ccc-0 aaa = impeller diameter, e.g. 225 bbb V = vertical S = shutter bbb AC = AC-motor EC = EC-motor ccc 1 = 1-phase 3 = 3-phase ccc 0 = non insulated 1 = insulated ccc 1 = pre-painted galvanised sheet steel, black 2 = aluzinc 0 Generation ACCESSORIES - CONTROLLERS (Pages 219-267) ErP COMPLIANT 2015 SPEED CONTROL Both AC and EC versions are available with speed control. EC motors are equipped with integral speed control for use with auxiliary 0-10v controller. AC motors can be controlled using a separate transformer speed control. DSM/DSC Adapter plate Controls Potentiometer Controls Transformer Isolator Switch

162 PRODUCT & ELECTRICAL DETAILS - 50 HZ EC STOF VERTICAL ROOF FAN Part Number (EC) Part Code Motor nominal data at 50 Hz Supply voltage Power kw Max current A Speed r/min Speed fan r/min Maximum Operating Temp C Isolator ErP COMPLIANT 2015 STOF-190-VEC-102-0 SV193102 1x200...240VAC 50/60 Hz 0.083 0.75 3200 3070 60 EA002000 STOF-225-VEC-102-0 SV223102 1x200...240VAC 50/60 Hz 0.082 0.7 2200 2050 60 EA002000 STOF-310-VEC-102-0 SV313102 1x200...240VAC 50/60 Hz 0.15 1.2 1525 1550 60 EA002000 STOF-355-VEC-102-0 SV353102 1x200...240VAC 50/60 Hz 0.168 1.4 1250 1190 60 EA002000 STOF-400-VEC-102-0 SV403102 1x200...277VAC 50/60 Hz 0.33 1.46 1270 1270 60 EA002000 STOF-450-VEC-302-0 SV453302 3x380...480VAC 50/60 Hz 0.97 1.7 1550 1560 60 EA002000 STOF-500-VEC-302-0 SV503302 3x380...480VAC 50/60 Hz 1.96 3 1560 1570 40 EA002000 STOF-630-VEC-302-0 SV633302 3x380...480VAC 50/60 Hz 2.75 4.3 1300 1310 55 EA002000 Vertical EC IP class Insulation Motor protection Speed Controller 0-10 V STOF-190-VEC-102-0 54 B Internal TOP EA002107 STOF-225-VEC-102-0 54 B Internal TOP EA002107 STOF-310-VEC-102-0 54 B Internal TOP EA002107 STOF-355-VEC-102-0 54 B Internal TOP EA002107 STOF-400-VEC-102-0 54 B Internal TOP EA002107 STOF-450-VEC-302-0 54 B Internal TOP EA002107 STOF-500-VEC-302-0 54 B Internal TOP EA002107 STOF-630-VEC-302-0 54 B Internal TOP EA002107 AC STOF VERTICAL ROOF FAN Part Number (AC) Part Code Motor nominal data at 50 Hz Supply voltage Power kw Max current A Speed r/min Speed fan r/min Maximum Operating Temp C Isolator STOF-190-VAC-102-0 SV191102 1x230V 50/60 Hz 0.052 0.23 2350 2170 65 EA002000 STOF-225-VAC-102-0 SV221102 1x230V 50/60 Hz 0.155 0.68 2500 2450 60 EA002000 STOF-310-VAC-102-0 SV311102 1x230V 50/60 Hz 0.137 0.62 1325 1300 60 EA002000 STOF-355-VAC-102-0 SV351102 1x 230 V 50 Hz 0.27 1.18 1330 1300 60 EA002000 STOF-355-VAC-302-0 SV351302 3x230VD 50/60Hz/ 3x400VY 50/60 Hz 0.27 0.72 1390 1390 60 EA002000 STOF-400-VAC-102-0 SV401102 1x230V 50/60 Hz 0.47 2.05 1340 1350 60 EA002000 STOF-400-VAC-302-0 SV401302 3x400VYD 50 Hz/ 3x400 VYD 60 Hz 0.515 1.19 1400 1200 60 EA002000 STOF-450-VAC-302-0 SV451302 3x230VD/400VY 50 Hz 0.71 1.45 1350 1350 60 EA002000 STOF-500-VAC-302-0 SV501302 3x230VD/400VY 50 Hz 1.52 2.91 1370 1360 60 EA002000 Vertical AC IP class Insulation Motor protection Transformer Current A IP class Voltage STOF-190-VAC-102-0 44 B Internal TOP EA900000 1 54 230VAC 50/60 Hz STOF-225-VAC-102-0 44 F Internal TOP EA900000 1 54 230VAC 50/60 Hz STOF-310-VAC-102-0 44 B Internal TOP EA900000 1 54 230VAC 50/60 Hz STOF-355-VAC-102-0 44 F Internal TOP EA900001 1.5 54 230VAC 50/60 Hz STOF-355-VAC-302-0 44 F TOP brought out EA900025 2.5 54 400VAC 50/60 Hz STOF-400-VAC-102-0 54 F TOP brought out EA900003 2.5 54 230VAC 50/60 Hz STOF-400-VAC-302-0 54 F TOP brought out EA900025 2.5 54 400VAC 50/60 Hz STOF-450-VAC-302-0 54 F TOP brought out EA900003 2.5 54 400VAC 50/60 Hz STOF-500-VAC-302-0 54 F TOP brought out EA900026 4 54 400VAC 50/60 Hz The part numbers shown above are for the standard un-insultated, aluzinc finish. Wiring diagrams, please see pages 172-173. Products in bold are available from our UK Distributors on next day delivery, if ordered by 4pm. Please call to confirm availability on 01206 222 555.

163 K OCT FACTORS FOR SOUND DATA (STOF, VERTICAL, UNINSULATED) K Oct Correction factors (db) Octave band mid-frequency (Hz) Fan code Sound path MinRPM MaxRPM 63 125 250 500 1000 2000 4000 8000 STOF-190-Vbb-10c-0 Surroundings 0 766 5-1 -6-2 -3-11 -19-20 STOF-190-Vbb-10c-0 Surroundings 767 1533-6 -4-6 -2-6 -5-15 -28 STOF-190-Vbb-10c-0 Surroundings 1534 3042-14 -11-3 -3-7 -5-12 -16 STOF-190-Vbb-10c-0 Surroundings 3043 3660-16 -14-5 -2-7 -6-11 -13 STOF-190-Vbb-10c-0 To the inlet duct 0 766 5-2 -5-7 0-11 -21-23 STOF-190-Vbb-10c-0 To the inlet duct 767 1533-9 -2-5 -5-10 -5-7 -30 STOF-190-Vbb-10c-0 To the inlet duct 1534 3042-11 -8-1 -5-10 -8-11 -16 STOF-190-Vbb-10c-0 To the inlet duct 3043 3660-13 -9-5 0-10 -9-13 -14 STOF-225-Vbb-10c-0 Surroundings 0 1533-9 -5-6 -4-5 -5-17 -24 STOF-225-Vbb-10c-0 Surroundings 1534 2450-10 -9-5 -4-7 -4-13 -15 STOF-225-Vbb-10c-0 To the inlet duct 0 1533-6 -2-4 -10-5 -9-18 -24 STOF-225-Vbb-10c-0 To the inlet duct 1534 2450-7 -8-2 -10-9 -10-15 -19 STOF-310-Vbb-10c-0 Surroundings 0 893 1-3 0 0-5 -13-20 -26 STOF-310-Vbb-10c-0 Surroundings 894 1717-8 -3-2 -1-4 -10-18 -27 STOF-310-Vbb-10c-0 To the inlet duct 0 893-1 0-2 -6-11 -9-23 -29 STOF-310-Vbb-10c-0 To the inlet duct 894 1717-13 -1-3 -7-10 -13-17 -26 STOF-355-Vbb-10c-0 Surroundings 0 893 1-3 0 0-5 -13-20 -26 STOF-355-Vbb-10c-0 Surroundings 894 1378-8 -3-2 -1-4 -10-18 -27 STOF-355-Vbb-10c-0 To the inlet duct 0 893-1 0-2 -6-11 -9-23 -29 STOF-355-Vbb-10c-0 To the inlet duct 894 1378-13 -1-3 -7-10 -13-17 -26 STOF-355-Vbb-30c-0 Surroundings 0 893 1-3 0 0-5 -13-20 -26 STOF-355-Vbb-30c-0 Surroundings 894 1390-8 -3-2 -1-4 -10-18 -27 STOF-355-Vbb-30c-0 To the inlet duct 0 893-1 0-2 -6-11 -9-23 -29 STOF-355-Vbb-30c-0 To the inlet duct 894 1390-13 -1-3 -7-10 -13-17 -26 STOF-400-Vbb-10c-0 Surroundings 0 893 3 0 1-2 -4-12 -20-29 STOF-400-Vbb-10c-0 Surroundings 894 1350-3 0 0-3 -3-11 -19-27 STOF-400-Vbb-10c-0 To the inlet duct 0 893-1 4 1-5 -8-6 -12-29 STOF-400-Vbb-10c-0 To the inlet duct 894 1350-10 2 3-4 -6-11 -13-14 STOF-400-Vbb-30c-0 Surroundings 0 893 3 0 1-2 -4-12 -20-29 STOF-400-Vbb-30c-0 Surroundings 894 1400-3 0 0-3 -3-11 -19-27 STOF-400-Vbb-30c-0 To the inlet duct 0 893-1 4 1-5 -8-6 -12-29 STOF-400-Vbb-30c-0 To the inlet duct 894 1400-10 2 3-4 -6-11 -13-14 STOF-450-Vbb-30c-0 Surroundings 0 893 3 0 1-2 -4-12 -20-29 STOF-450-Vbb-30c-0 Surroundings 894 1566-3 0 0-3 -3-11 -19-27 STOF-450-Vbb-30c-0 To the inlet duct 0 893-1 4 1-5 -8-6 -12-29 STOF-450-Vbb-30c-0 To the inlet duct 894 1566-10 2 3-4 -6-11 -13-14 STOF-500-Vbb-30c-0 Surroundings 0 766-3 -1-1 -3-4 -9-14 -19 STOF-500-Vbb-30c-0 Surroundings 767 1575-7 0-2 -3-4 -9-12 -18 STOF-500-Vbb-30c-0 To the inlet duct 0 766 0 0-4 -10-9 -12-17 -22 STOF-500-Vbb-30c-0 To the inlet duct 767 1575-8 0-4 -9-10 -11-15 -19 STOF-630-Vbb-30c-0 Surroundings 0 893 5 1 0-2 -4-10 -18-22 STOF-630-Vbb-30c-0 Surroundings 894 1320-9 0-4 -3-4 -7-14 -21 STOF-630-Vbb-30c-0 To the inlet duct 0 893 16 0-2 -7-7 -12-20 -20 STOF-630-Vbb-30c-0 To the inlet duct 894 1320-7 5-3 -9-8 -10-17 -21

164 K OCT FACTORS FOR SOUND DATA (STOF, VERTICAL, INSULATED) K Oct Correction factors (db) Octave band mid-frequency (Hz) Fan code Sound path MinRPM MaxRPM 63 125 250 500 1000 2000 4000 8000 STOF-225-Vbb-11c-0 Surroundings 0 1533-2 5 1-2 -6-8 -19-23 STOF-225-Vbb-11c-0 Surroundings 1534 2450-5 1 3-1 -8-10 -14-18 STOF-225-Vbb-11c-0 To the inlet duct 0 1533-1 5 4-3 -2-4 -11-18 STOF-225-Vbb-11c-0 To the inlet duct 1534 2450-7 0 6-3 -3-5 -8-14 STOF-310-Vbb-11c-0 Surroundings 0 893 5 4 3 0-8 -19-24 -26 STOF-310-Vbb-11c-0 Surroundings 894 1648-2 6 2-1 -7-15 -20-26 STOF-310-Vbb-11c-0 To the inlet duct 0 893 6 3 2-3 -10-12 -16-22 STOF-310-Vbb-11c-0 To the inlet duct 894 1648-2 6 2-3 -10-11 -15-20 STOF-355-Vbb-11c-0 Surroundings 0 893 4 5 3 0-8 -18-22 -26 STOF-355-Vbb-11c-0 Surroundings 894 1433 0 4 4-1 -7-16 -19-27 STOF-355-Vbb-11c-0 To the inlet duct 0 893 7 6 4-5 -9-10 -15-23 STOF-355-Vbb-11c-0 To the inlet duct 894 1433 0 6 3-5 -8-12 -12-22 STOF-355-Vbb-31c-0 Surroundings 0 893 4 5 3 0-8 -18-22 -26 STOF-355-Vbb-31c-0 Surroundings 894 1433 0 4 4-1 -7-16 -19-27 STOF-355-Vbb-31c-0 To the inlet duct 0 893 7 6 4-5 -9-10 -15-23 STOF-355-Vbb-31c-0 To the inlet duct 894 1433 0 6 3-5 -8-12 -12-22 STOF-400-Vbb-11c-0 Surroundings 0 893 7 15-1 -8-15 -19-20 -25 STOF-400-Vbb-11c-0 Surroundings 894 1404 6 9 3-2 -8-14 -18-25 STOF-400-Vbb-11c-0 To the inlet duct 0 893 2 8-5 -14-18 -18-17 -30 STOF-400-Vbb-11c-0 To the inlet duct 894 1404 1 7 2-6 -10-13 -15-21 STOF-400-Vbb-31c-0 Surroundings 0 893 7 15-1 -8-15 -19-20 -25 STOF-400-Vbb-31c-0 Surroundings 894 1404 6 9 3-2 -8-14 -18-25 STOF-400-Vbb-31c-0 To the inlet duct 0 893 2 8-5 -14-18 -18-17 -30 STOF-400-Vbb-31c-0 To the inlet duct 894 1404 1 7 2-6 -10-13 -15-21

165 PERFORMANCE TABLES EC STOF VERTICAL ROOF FAN Pressure (Pa) Vertical EC 0 50 100 150 200 250 300 350 400 450 500 600 700 STOF-190-VEC-10c-0 0.17 0.16 0.16 0.15 0.13 0.12 0.11 0.10 0.08 0.05 STOF-225-VEC-10c-0 0.25 0.24 0.21 0.19 0.16 0.13 0.07 STOF-310-VEC-10c-0 0.57 0.52 0.48 0.44 0.39 0.31 0.18 STOF-355-VEC-10c-0 0.69 0.64 0.58 0.50 0.39 0.16 STOF-400-VEC-10c-0 1.02 0.97 0.91 0.84 0.76 0.66 0.52 0.26 STOF-450-VEC-30c-0 1.80 1.75 1.70 1.65 1.59 1.53 1.46 1.38 1.30 1.20 1.09 0.76 STOF-500-VEC-30c-0 2.90 2.86 2.81 2.75 2.69 2.69 2.57 2.51 2.44 2.37 2.28 2.10 1.90 STOF-630-VEC-30c-0 4.76 4.66 4.54 4.42 4.30 4.17 4.03 3.90 3.75 3.60 3.45 3.07 2.67 Airflow m 3 /s Pressure (Pa) Insulated EC 0 50 100 150 200 250 300 350 400 450 STOF-225-VEC-10c-0 0.26 0.24 0.22 0.20 0.17 0.14 0.09 STOF-310-VEC-10c-0 0.57 0.50 0.46 0.42 0.37 0.29 0.18 STOF-355-VEC-10c-0 0.68 0.63 0.57 0.50 0.42 0.28 STOF-400-VEC-10c-0 1.14 1.07 1.00 0.92 0.82 0.72 0.59 0.42 Airflow m 3 /s AC STOF VERTICAL ROOF FAN Pressure (Pa) Vertical AC 0 50 100 150 200 250 300 350 400 450 500 600 700 STOF-190-VAC-10c-0 0.13 0.12 0.10 0.09 0.07 0.05 STOF-225-VAC-10c-0 0.27 0.26 0.24 0.23 0.21 0.19 0.17 0.14 0.10 0.00 STOF-310-VAC-10c-0 0.47 0.40 0.35 0.28 0.17 STOF-355-VAC-10c-0 0.75 0.69 0.63 0.56 0.48 0.36 0.14 STOF-355-VAC-30c-0 0.81 0.76 0.71 0.65 0.58 0.49 0.37 0.05 STOF-400-VAC-10c-0 1.10 1.05 0.99 0.92 0.85 0.76 0.65 0.51 0.26 STOF-400-VAC-30c-0 1.13 1.08 1.02 0.96 0.89 0.81 0.72 0.61 0.44 0.07 STOF-450-VAC-30c-0 1.53 1.49 1.43 1.36 1.29 1.21 1.12 1.00 0.84 0.59 STOF-500-VAC-30c-0 2.50 2.45 2.39 2.32 2.26 2.18 2.10 2.01 1.81 1.81 1.70 1.35 0.71 STOF-630-VAC-30c-0 4.73 4.65 4.54 4.43 4.32 4.20 4.07 3.95 3.80 3.65 3.50 3.15 2.70 Airflow m 3 /s Pressure (Pa) Insulated AC 0 50 100 150 200 250 300 350 400 450 STOF-225-VAC-10c-0 0.29 0.28 0.26 0.24 0.23 0.21 0.18 0.15 0.10 STOF-310-VAC-10c-0 0.45 0.42 0.34 0.30 0.20 STOF-355-VAC-10c-0 0.73 0.68 0.63 0.56 0.49 0.38 0.21 STOF-355-VAC-30c-0 0.76 0.71 0.65 0.65 0.58 0.38 0.37 STOF-400-VAC-10c-0 1.11 1.06 1.00 0.94 0.87 0.78 0.68 0.52 0.16 STOF-400-VAC-30c-0 1.17 1.12 1.06 0.99 0.92 0.84 0.74 0.63 0.48 0.06 Airflow m 3 /s Performance table is valid for both aluzinc and black casing.

166 FAN CHART - EXPLANATION AND DEFINITIONS 3 2 4 1 SYMBOLS 1. qv Air flow m 3 /s, m 3 /h 2. Δp t Static pressure Pa 3. η Total fan efficiency % 4. L wa A-weighted total sound power level L pa A-weighted total sound pressure level ΔL Remote attenuation db SOUND PRESSURE LEVEL db(a) db(a) The total A-weighted sound power level, L wa emitted from the power roof ventilator to the surroundings can be read in the chart. The sound pressure level at different distances from the power roof ventilator can be determined by using the following formula: L pa = L wa - ΔL Distance L (m) 1 3 5 10 15 20 25 30 40 Attenuation ΔL (db) 7 17 22 28 31 34 36 37 40 SOUND LEVEL AT DIFFERENT OCTAVE BANDS Correction Koct (db) Octave band mid-frequency (Hz) Sound path MinRPM MaxRPM 63 125 250 500 1000 2000 4000 8000 Surroundings 0 766 5-1 -6-2 -3-11 -19-20 To the inlet duct 0 766 5-2 -5-7 0-11 -21-23 The total A-weighted sound power level, LwA, emitted from the power roof ventilator to the surroundings can be read in the fan chart. The sound power level by octave band to the surroundings and to the inlet duct (without A-weighting) can be obtained by using the following formula: L woct =L wa + K oct. The corrections are given in Koct table for both sound paths and correct speed area.

167 PERFORMANCE CHARTS FAN CHART, VERTICAL NON INSULATED STOF-190 STOF - 190 - VEC -1- SV193102 STOF - 190 - VAC -1 - SV191102 FAN CHART, VERTICAL NON INSULATED STOF-225 STOF - 225 - VEC -1- SV223102 STOF - 225 - VAC -1- SV221102

168 PERFORMANCE CHARTS FAN CHART, VERTICAL NON INSULATED STOF-310 STOF - 310 - VEC -1 - SV313102 STOF - 310 - VAC -1 - SV311102 20 FAN CHART, VERTICAL NON INSULATED STOF-355 STOF - 355 - VAC -1 SV351102 STOF - 355 - VAC - 3 - SV351302 STOF - 355 - VEC -1 SV353102

169 PERFORMANCE CHARTS FAN CHART, VERTICAL NON INSULATED STOF-400 STOF - 400 - VEC -1 - SV403102 STOF - 400 - VAC - 3 - SV401302 STOF - 400 - VAC -1 - SV401102 FAN CHART, VERTICAL NON INSULATED STOF-450 STOF - 450 - VEC - 3 - SV451302 STOF - 450 - VAC - 3 - SV453302

170 PERFORMANCE CHARTS FAN CHART, VERTICAL NON INSULATED STOF-500 STOF - 500 - VEC - 3 - SV503302 STOF - 500 - VAC - 3 - SV501302 FAN CHART, VERTICAL NON INSULATED STOF-630 STOF - 630 - VEC - 3 - SV633302

171 DRAWING AND DIMENSIONS Uninsulated vertical Fan size A H L in L out W in W out Weight 190 234 182 342 362 342 364 8 225 328 226 447 467 447 469 10 310 328 306 447 467 447 469 16 355 438 341 557 577 557 579 22 400 508 351 627 647 627 649 27 450 598 382 717 737 717 739 36 500 778 461 897 917 897 919 56 630 998 520 1117 1137 1117 1139 82 All dimensions shown in mm

172 WIRING DIAGRAMS - STOF STOF AC 1ph 190, 225, 310, 355 STOF AC 1ph 400 STOF 190 AC 1PH STOF 225 AC 1PH STOF 310 AC 1PH STOF 355 AC 1PH STOF 400 AC 1PH CAPACITOR CAPACITOR YELLOW- YELLOW- TO BE SUPPLIED BY A SUITABLE RATED SUPPLY N L E EXTERNAL SAFETY CIRCUIT (2AMP MAX 240v) N L E TO BE SUPPLIED BY A SUITABLE RATED SUPPLY STOF AC 3ph 355, 450, 500, 630 WHITE YELLOW YELLOW- FACTORY FITTED TWO LINK CABLES EXTERNAL SAFETY CIRCUIT 240v 2Amp MAX L3 L2 L1 PE TO BE SUPPLIED BY A SUITABLE RATED SUPPLY

173 WIRING DIAGRAMS - STOF STOF EC 1ph 190, 225, 310, 355 STOF EC 1ph 400 TACHO 10v WHITE RED YELLOW YELLOW- RED YELLOW WHITE WHITE YELLOW- SPEED POTENTIOMETER SDP V10 SDP V230 10volt 0-10v GND 0-10v GND BMS N L PE TO BE SUPPLIED BY A SUITABLE RATED SUPPLY 240v EXTERNAL SAFETY CIRCUIT 2Amp MAX N L PE TO BE SUPPLIED BY A SUITABLE RATED SUPPLY STOF EC 3ph 450 STOF EC 3ph 500, 630 STOF 450 EC 3PH RED WHITE RED WHITE YELLOW- YELLOW- t10v 0-10v BMS GND t10v BMS Ain 1U/0-10v GND ALARM RELAY 240V NC MAX 2 AMP RATE NO COM L3 L2 L1 PE TO BE SUPPLIED BY A SUITABLE RATED SUPPLY ALARM RELAY 240V MAX 2 AMP RATE NC NO COM L3 L2 L1 PE TO BE SUPPLIED BY A SUITABLE RATED SUPPLY

ALSO AVAILABLE FROM THE WOODS RANGE JMv Aerofoil MaXfan 2 JM Aerofoil HT JM Aerofoil JM Bifurcated Series 33 Plate Fans Cased & Plate Axial Accessories Tube Fans Sabina EC Box Fans Daisho AC Box Fans Daisho EC Box Fans Estoc Estoc Targe Estoc EC Tube & Box Accessories Roof Units Horizontal Roof Units Vertical Fire Dampers Iris Dampers Fire Valves Valves Supply KE Valves Extract KK Valves Exhaust VEFS Nozzles DK & DR Louvres/ Cowls EYMA and DYMA External Louvres USAV Controllers Selected products available from our UK Distributors on next day delivery, if ordered by 4pm. Please call 01206 222 555 for more information.