• Model:STDL250-1EC

Twinflow STDL250-1EC

£ 1,691.02 (excl. VAT)

£ 2,029.22 (inc. VAT)

Twinflow STDL fans are suitable for external mounting. The range incorporates advanced backward curved impellers.

Standard size 250mm
Air volume flow rates up to 0.336 m3/s
Static pressures up to 6487 Pa
Suitable for operating temperatures up to +60℃
Redesigned casing to improve airflow and reduce specific fan powers
Auto Changeover Panel Included
Acoustically lined internally to reduce breakout noise levels
Low Specific Fan Powers
Configurable with optional demand control (DCV) for easy connection to sensors and spigot type
Available in EC

Options
Circular Spigot - (Standard)
Circular Spigot and DCV - (DCV)
Rectangular Spigot - (R)
Rectangular Spigot & DCV - (RDCV)

PDF Files


STDL Data Sheet

Available Options

2 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x RDS 4 Helios Transformer Controller With Motor Protection4 x Round ceiling diffuser 200mm2 x Elta Variable Speed Drive IP66 - 2.2KW1 x FU 075 52 Frequency Inverter (IP20)2 x FRQ5-4A V2 Inverter Speed Controller2 x FRQ-10A V2 Inverter Speed controller1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FU 15 40 Frequency Inverter3 x Elta Variable Speed Drive IP66 - 7.5KW1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)2 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)3 x FRQ5-10A Inverter Speed controller2 x FU 15 16 Frequency Inverter2 x Elta Variable Speed Drive IP66 - 5.5KW3 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 203 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x FU 22 25 Frequency Inverter1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter2 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Three Phase Transformer 10amps3 x ELTA - Three Phase Transformer 3amps1 x Circular Ceiling Diffuser - TST 1251 x ELTA - Single Phase Transformer 2amps1 x NKS-D swirl diffuser v-300 x 300mm4 x Electronic extractor fan speed controller - FSC 1.51 x Circular Ceiling Diffuser - TST 1001 x PCA Diffuser - PCA-3151 x JSR 200 Painted RAL50183 x Round ceiling diffuser 400mm1 x Curved Blade Grille 600x600 (2way blow)3 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 2002 x Airvent ceiling fan controller1 x ELTA - Single Phase Transformer 16amps3 x Elta 3 Amp Electronic single phase speed controller with TK2 x 5-Speed Controller for use with Elta SAX Classic Fans1 x Circular Ceiling Diffuser - TST 1604 x Elta 2 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 12amps1 x Balance S Diffuser - NO RING - 100mm2 x Elta 3 Amp Electronic single phase speed controller.3 x Elta 6 Amp Electronic single phase speed controller with TK1 x EFSC-3N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 8amps5 x Round ceiling diffuser 250mm1 x ELTA - Single Phase Transformer 4amps4 x COM-33 x Round ceiling diffuser 300mm4 x AIRVENT speed control - AIR4019611 x Round ceiling diffuser 350mm5 x Elta 6 Amp Electronic single phase speed controller.1 x PCA Diffuser - PCA-2501 x EFSC-6N- Single Phase Speed Control1 x ELTA - Single Phase Transformer 10amps2 x Run On Timer - 5s - 4hrs - RT5A3 x Remote Timer Control - 13513 x Push Timer Switch - ZA43 x Helios ZNE Electronic Fan Overrun Timer3 x Multi Input Run On Timer - 0 - 20min - CFCU1 x Time Delay Unit - DT20B3 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller3 x ACOAS/ AC/EC Auto Changeover 8Amp4 x ACO8AC/EC AutoChangeover panel1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x EM30-24 Electro-Mechanical Control Panel1 x ACO 149-ACO1/EDV2 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Elta ACO Panel 149-ACO18B1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Easy-fix termination kit - High Rise Ventilator - EFT1 x EC-Vent Room Unit1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC25/311 x Elta Wall Cowl SWC35/401 x Elta Wall Cowl SWC45/501 x Jet Cowl - 315mm1 x Egg Crate Grille with G2 Dust panel filter 1 inch- 300x3001 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x Egg Crate Grille with Dust panel filter 1 inch- 595x5951 x Single Deflection Grille 400mm with OBD damper1 x Transformer speed controller - ATC1 - 1.5 Amps1 x Non Vision 150mm x 150mm (Air Transfer) Grille - With Flange - MILL FINISH3 x Mini Diffuser - 100mm2 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x Remote controller FLEX - for VEKO INT2 x Helios TSW 7.5 Amp Transformer speed controller1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans5 x Transformer 5 Speed Controller - ATC1-4TK2 x Vent Axia ACM 150 inline mixed flow duct fan1 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 10 Amp Transformer speed controller3 x Helios TSW 1.5 Amp Transformer speed controller2 x Vent Axia ACM 200 inline mixed flow duct fan2 x Vent Axia ACM 100 inline mixed flow duct fan2 x Isolator Switch - ISOSW2 x DEF-140T Inlet Guard for the CBT-100N4 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-2TK1 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE3 x Transformer 5 Speed Controller - ATC1-10TK3 x REU 7amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x Transformer 5 Speed Controller - ATC1-8TK1 x Helios TSW 0.3Amp Compact Transformer speed controller2 x RTRD - Three Phase Speed Controller - 2 Amp1 x RDS 11 Helios Transformer Controller With Motor Protection3 x Systemair Save Connect 2.0 Internet Module1 x RDS 7 Helios Transformer Controller With Motor Protection3 x Vent Axia ACM 125 inline mixed flow duct fan1 x MV-B Dual Switch for use with Helios HQW plate fans,3 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x MWS 3 – Transformer Controller With Motor Protection2 x TG-K Duct temperature sensor2 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x REU 3amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x Vent Axia SC5001 - Speed controller2 x BEAS-control module2 x Single phase speed controller by auto-transformer - RMB 10.0 Amp3 x TD EVO-100 PF ECOWATT - Environmentally Friendly Energy Efficient Inline Fan1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Two Speed Switch - REGUL-22 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x ERR 20/1 Centrifugal inline fan2 x Envirovent G4 Filter - SL-G4/F73 x WS - Reversing Switch from Helios Fans3 x MWS 1.5 – Transformer Controller With Motor Protection1 x FAST-TRACK RANGE 90mm - Adaptor For Distribution Box4 x Speed Controller - REB31 x Capacitor 2uf for use with the EBM A4E range3 x CS2 Current Switch4 x Transformer (silent) speed controller - RE 3.0 Amp2 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT3 x TG-K3/NTC10-01 - Duct temperature sensor4 x Speed Controller - REB52 x CBS-60 Outlet Flange for CSB/CBT-602 x Helios HQW-200/4 - IP553 x Transformer (silent) speed controller - RE 1.5 Amp1 x FAST-TRACK RANGE 90mm - Click Ring (1 bag of 10)2 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted3 x Speed Controller - REB101 x Speed Controller - REB61 x ELM 18 EX Flexible Cuff for ERM 181 x MTV-1/010 Controller 0 to 10V+4 x Commercial Single or 3 phase Fan Reversing Switch - RS12 x Multiflow SMB550/4-1AC3 x Transformer (silent) speed controller - RE 5.0 Amp2 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)6 x Speed Controller - REB1-N1 x Elta Variable Speed Drive IP66 - 0.75KW2 x REB-CVF 0-10v Controller1 x REE-2 Electronic Speed Controller3 x Transformer Speed Control - RTRE- 7.0Amp3 x Helios HQW-315/4 - IP553 x Transformer Speed Control - RTRE- 5.0Amp5 x MTP 10, 10K, Speed control2 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Helios PU10 Speed Potentiometer (Flush Mounted)3 x FFR 355 Filter Cassette2 x Skyflow SSR Horizontal Roof Cowl SSR80B2 x CBM 9-9 550w 4P VR (Open Motor)1 x Silent 100 Window Kit - windowS5 x Transformer Speed Control - RTRE- 1.5Amp3 x MTS10- extractor fan 3 step switch1 x RSK355 - Back Draught Shutter2 x Envirovent 4 Way Remote Control Switch - SWHBKRF-43 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan2 x Temperature Fan Speed Controller - ATCP4-WMS3 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Helios TSW 3 Amp Transformer speed controller2 x Helios HQW-200/2 - IP552 x Single phase speed controller by auto-transformer - RMB 8.0 Amp2 x REE-1 Electronic Speed Controller1 x Vent Axia T-Series Controller2 x Helios HQW-630/4 - IP551 x Transformer Speed Control - RTRE- 12.0Amp2 x TG-R room temperature sensor2 x Skyflow SSR Horizontal Roof Cowl SSR31/35B2 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS2 x PIR Sensor - PIR23 x CBA-60 Inlet Flange for CBT-602 x Bathroom Fan -Envirovent- Silent 100 T (Timer Model)3 x PIR Sensor - PIR42 x MEV Spider Wireless boost Switch - MEV-SWH-W2 x Helios HQW-250/4 - IP553 x Speed Controller - REB83 x Speed Controller - REB11 x Isolator Switch - EFF-ISO3 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x DDMP 09-09 3F 2130W M6A4 DG02 x TG-K Duct temperature sensor4 x UB47- Universal Insulated Terminal2 x DEF-CBM-RE-7 - Protection Guard3 x QPTW 250C Acoustic Twin Fan with Controller2 x Speed Controller - REB2.5-N2 x DDMP 09/09 Mounting Flange2 x DDMP 12-12 3F 1810W M6A4 DG01 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)2 x VTR 300 STD Filter Kit1 x KKS 100 silencer-section - For use with the MUB 100 size Fans.2 x Transformer 5 Speed Controller - ATC1-12TK1 x Insulated extract Plenum 8+12 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x Insulated extract Plenum 6+12 x TEM 075 - 5 Speed Transformer Speed Control1 x ENV 100 12v transformer SELV2 x Elta - Room Sensor - Temp/Humid/C023 x CBT-100N Centrifugal1 x 220x90mm Insulated Rectangular Horizontal 90° Bend2 x TUNE-R-200-3-M4 - Control Damper3 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt CVR1 x ELM 20 EX Flexible Cuff for ERM 223 x Compact SCD450/4-1AC1 x 204x60mm Insulated Rectangular Horizontal 45° Bend1 x GXC6EC - High Performance Extract Fan1 x 220x90mm Insulated Rectangular Vertical 45° Bend1 x 220x90mm Insulated Rectangular Horizontal 45° Bend1 x Compact SCD500/4-3AC2 x Speed Controller - REB161 x FAST-TRACK RANGE 75mm - Adjustable Air Restrictor2 x SAVE VSR 300 heat recovery unit2 x GENIOX 11 Internal Mounted Unit3 x DDMP 10-08 3F 2210W M6A4 DG01 x DVG-H 560D4/F400 IE2 - Smoke extract roof unit2 x Silentub - STUB 1001 x Quietflow SQS100-1ECL - Centrifugal Box Fan1 x 220x90mm Insulated Rectangular Vertical 90° Bend1 x KMBI 315 Connector rectangular/circular to install on the discharge of CMT2 x KMBI 250 Connector rectangular/circular to install on the discharge of CMT2 x Vent Axia Silent 100T (TIMER)1 x ELM 25 EX Flexible Cuff for ERM 251 x 204x60mm Insulated Rectangular Vertical 45° Bend1 x TUNE-R-315-3-M4 - Control Damper1 x Contactor Interface Station - CI91 x Smoke Extract Axial Fan Series AXC 450 (B)2 x AXC TP - 100mm Plastic Centrifugal Inline Fan2 x CBM Low Pressure Centrifugal Fan - CBM 10/10 4 Pole 550watt VR3 x CMT/4-315/130-4KW - Single inlet centrifugal fan direct driven1 x LFBR 315 G4 - Helios Inline Filter Box - 315mm1 x Ancillary Pack for SLC-800 for 4 Pole and SLC-800/6B-3AC1 x LFBR 160 G4 - Helios Inline Filter Box - 160mm2 x CO2 Room Sensor - CO2-R1 x RS 80-50 L3 sileo. Centrifugal Rectangular Duct Fan1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-1AC - Single Phase2 x KAD-355-F400 Rectangle Flexible Connector2 x Electrostatic Precipitator - 1H x 3W2 x Duct Termination with Mesh - 355mm1 x Polyurethane Foam Media - 10PPI - Filter Media Sheets - Size: 2000mm x 1000mm1 x 110 x 54mm Round to Rectangular Adaptor - Long3 x VEKA INT 2000/15.0-L1 EKO3 x Duct Termination with Mesh - 100mm2 x Biflow SB400-CON2-3 - High Temperature Bifurcated Fan2 x Vortice Quadro Micro 100 I - Standard Version1 x CBM 12-12 1100w 6P Three Phase2 x CBP-18/18-RC Belt Driven Centrifugal Fans1 x 204x60mm Insulated Rectangular Vertical 90° Bend3 x TD160-NT Mixvent - 100mm - TD160 Timer3 x Helios RR-250-C Centrifugal inline fan3 x CSB-60 Centrifugal fan1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-1AC - Single Phase2 x Flakt Woods ME 1.6 speed controller 6.0amp - EA9011591 x EBM-Papst D3G133-BF05-14 Double inlet1 x Duct Termination with Mesh - 710mm1 x CK-60F Kit1 x Singleflow SSDL315-1EC4 x CBM Low Pressure Centrifugal Fan - CBM 12/12 6 Pole 736watt CVR1 x HIMF - Mixed Flow Fan 100mm Inline Fan1 x Elta Standard Ambient Flexible Connector - 560mm2 x CBM Low Pressure Centrifugal Fan - CBM 9/7 4 Pole 373watt CVR2 x CFI In-line 150 - Carbon Filter2 x CBA-100 Inlet Flange for CBT-1003 x TUNE-R-250-3-M0 - Control Damper (NO ACTUATOR)3 x CMT/4-250-100 1.1KW - Single inlet centrifugal fan direct driven ( LG-90)1 x SD-MUB Vibration pad set4 x VTR 500 STD Filter Kit2 x 100mm Round Connector with Damper2 x CBT-130N Centrifugal ATEX II 3D ExtD 125*C1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF400/4-3AC - Three Phase2 x Quietflow Twin SQTDCV250-1ECL6 x Helios ESA-1 Surface mounted Speed Control 1amp1 x CPTA-E Flush mounted PIR sensor with timer1 x TD Mixvent 800/200 EEXEIIT33 x CBB-60N Centrifugal2 x CBT-80N Centrifugal2 x Helios HQW-355/4 - IP553 x Potentiometer EGH 01 - for DDMP Fans4 x MWS 5 – Transformer Controller With Motor Protection Unit2 x DDMP 10-10 1F 1000W M6A2 DA52 x IR24-P - Presence detector3 x KBA- Inlet Mounting 2251 x GENIOX 11 Roof Mounted External Unit2 x Flakt Woods ME 1.1 speed controller 1amp - EA9011571 x Elta SCP400/4-1AC - IP551 x Flakt Woods ME 1.3 speed controller 3amp - EA9011581 x Elta HXP 800mm 6-Pole (Three Phase)2 x RUCK MTP 20, 10K, Speed control2 x ACO3TO-ADS-VFC-7.1A1 x Egg Crate Grille with Dust panel filter 1 inch- 300x3005 x Duct Termination with Mesh - 150mm3 x CBM 7/7 147w 4P RE-VR1 x Duct Termination with Mesh - 250mm1 x MWS-75 Transformer controller with TK -7.5A2 x TUNE-R-200-3-M1 - Control Damper1 x WSD 100 (1060x1060x70)1 x VKS 355-500 Automatic shutter3 x Duct Termination with Mesh - 450mm2 x CAD-COMPACT 900 ADVANCED N8 - MVHR unit3 x Binks Bullows - Spray Booth Filter2 x CMT-2 120/50 - 0,09Kw - LG270 Single inlet centrifugal fan direct driven2 x DDMP 12-12 3F 5700W M6M0 DG72 x CBS-100 Outlet Flange for CBT-1001 x DVG-V 560D4/F400 IE21 x CCpro 40 (1CC9402) Long Casing Extension3 x DDMP 07/07 Mounting Flange2 x Vent Axia Trickle & Boost Switch1 x TUNE-R-160-3-M0 - Control Damper (NO ACTUATOR)3 x DDMP 12-09 1F 1800W M6A4 DA81 x Temperature Controller - EDTW2 x KBA- inlet mounting flange for CRMT 2502 x TUNE-R-200-3-M2 - Control Damper2 x KBA- inlet mounting flange for CRMT 2252 x Lo-Carbon Silhouette 100T (Timer)2 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt 3V (3-Speed)1 x Clearflow CF Roof Mounted Vertical Discharge Centrifugal Fan - CF450/4-3AC - Three Phase1 x Transformer Speed Control - RTRE- 3.0Amp1 x TUNE-R-200-3-M0 - Control Damper (NO ACTUATOR)1 x HIMF - Mixed Flow Fan 125mm Inline Fan2 x Biflow SB250-CON4-3 - High Temperature Bifurcated Fan1 x KBA- Inlet Mounting 3151 x Biflow SB315-CON4-3 - High Temperature Bifurcated Fan1 x KBA- Inlet Mounting 1801 x KAD-225-F400 Rectangle Flexible Connector1 x Quietflow SQSDCV500-1ECL - Centrifugal Box Fan2 x TUNE-R-200-3-M3 - Control Damper2 x DPD 12PM Delivery Surcharge1 x Envirovent Silent MV160/100S Mixvent - 100mm - (5 year warranty)1 x TD Mixvent 1100/250 EEXEIIT31 x SG-200 Fan Guard for the HQW 2002 x Twinflow STDL315-1EC1 x Quietflow SQSDCV500-3ECL - Centrifugal Box Fan1 x Quietflow SQS250-1ECL - Centrifugal Box Fan1 x DS-2/2 2-Speed Switch IP54 (Single Phase)1 x CBM Low Pressure Centrifugal Fan - CBM 9/9 4 Pole 550watt C VR1 x 204 x 60mm Duct to Fitting Connector for use with Insulated Thermal Ducting1 x SDD-U Anti Vibration Pads1 x KBA- Inlet Mounting 2501 x Spiral end cap - 355mm1 x Universal Pipe Fixing Clip
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Reviews
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Unbelievable! With TDmixvent500: noise reduction minimum 50%...