• 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

1 x Elta Variable Speed Drive IP66 - 2.2KW1 x Elta Variable Speed Drive IP66 - 7.5KW1 x Helios TSD 3.0 Transformer Speed Control (400v)1 x FRQ5-4A V2 Inverter Speed Controller1 x FU 15 40 Frequency Inverter1 x FRQ-10A V2 Inverter Speed controller1 x Elta Variable Speed Drive IP66 - 0.75KW1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP662 x Elta Variable Speed Drive IP66 - 1.5KW1 x Frequency converter RUCK - FU 075 201 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x ELTA - Three Phase Transformer 3amps1 x ELTA - Three Phase Transformer 10amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)2 x Elta 10 Amp Electronic single phase speed controller.1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x NKS-D swirl diffuser v-300 x 300mm1 x Circular Ceiling Diffuser - TST 1251 x ELTA - Single Phase Transformer 2amps1 x Balance S Diffuser - NO RING - 125mm1 x PCA Diffuser - PCA-3151 x Circular Ceiling Diffuser - TST 2001 x Circular Ceiling Diffuser - TST 1003 x Electronic extractor fan speed controller - FSC 1.51 x Curved Blade Grille 600x600 (2way blow)1 x Round ceiling diffuser 400mm1 x JSR 200 Painted RAL50182 x EC6H - Reversible Group Fan Electronic Controller1 x Circular Ceiling Diffuser - TST 1601 x Elta 2 Amp Electronic single phase speed controller.1 x 5-Speed Controller for use with Elta SAX Classic Fans1 x ELTA - Single Phase Transformer 16amps1 x Balance S Diffuser - NO RING - 100mm2 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 8amps1 x Round ceiling diffuser 200mm1 x Airvent ceiling fan controller1 x Round ceiling diffuser 300mm1 x ELTA - Single Phase Transformer 12amps1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019614 x COM-31 x Round ceiling diffuser 250mm1 x EFSC-6N- Single Phase Speed Control1 x Round ceiling diffuser 350mm1 x Elta 6 Amp Electronic single phase speed controller.1 x PCA Diffuser - PCA-2501 x ELTA - Single Phase Transformer 10amps3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A3 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x Time Delay Unit - DT20B3 x Multi Input Run On Timer - 0 - 20min - CFCU1 x 7 Day Programmable TIMECLOCK1 x TTC-2000 Three phase electric heater controller1 x ACO8AC/EC AutoChangeover panel1 x ACOAS/ AC/EC Auto Changeover 8Amp3 x Helios HQW-630/4 - IP551 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Elta ACO Panel 149-ACO18B1 x EC-Vent Room Unit3 x Systemair Save Connect 2.0 Internet Module1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x Easy-fix termination kit - High Rise Ventilator - EFT1 x EM30-24 Control Panel Commissioning Service1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 3551 x Elta Wall Cowl SWC56/631 x GRA-100 External Grill by S&P1 x Elta Wall Cowl SWC35/404 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x FU 22 25 Frequency Inverter3 x Helios TSW MCB Amp Transformer speed controller2 x Vent Axia ACM 200 inline mixed flow duct fan2 x TG-K Duct temperature sensor2 x Transformer (silent) speed controller - RE 3.0 Amp2 x Speed Controller - REB51 x Quietflow SQS400-1ECL - Centrifugal Box Fan1 x Silent 100 Window Kit - windowS1 x QPTW 250C Acoustic Twin Fan with Controller1 x UB47- Universal Insulated Terminal1 x Elta Louvre Shutter - 400mm1 x Elta Wall Cowl SWC45/501 x Elta Wall Cowl SWC25/311 x Contactor Interface Station - CI91 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 7101 x SAVE VSR 300 heat recovery unit5 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Remote controller FLEX - for VEKO INT3 x Helios TSW 7.5 Amp Transformer speed controller3 x Helios TSW 3 Amp Transformer speed controller2 x Vent Axia ACM 150 inline mixed flow duct fan1 x RDS 11 Helios Transformer Controller With Motor Protection3 x Three Phase Transformer controllers - RMT 1.5 Amp1 x Transformer 5 Speed Controller - ATC1-12TK2 x Vent Axia ACM 100 inline mixed flow duct fan1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp2 x Isolator Switch - ISOSW1 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Elta 6 Amp Electronic single phase speed controller with TK1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT1 x TG-K3/NTC10-01 - Duct temperature sensor1 x CBS-60 Outlet Flange for CSB/CBT-602 x Helios HQW-200/4 - IP553 x MWS 1.5 – Transformer Controller With Motor Protection1 x Envirovent G4 Filter - SL-G4/F72 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted3 x WS - Reversing Switch from Helios Fans1 x TG-R room temperature sensor1 x FAST-TRACK RANGE 75mm - Click Ring (1 bag of 10)1 x Isolator Switch - EFF-ISO1 x Transformer Speed Control - RTRE- 7.0Amp3 x Envirovent 4 Way Remote Control Switch - SWHBKRF-41 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost1 x Transformer 5 Speed Controller - ATC1-10TK2 x Transformer 5 Speed Controller - ATC1-4TK1 x Transformer 5 Speed Controller - ATC1-8TK2 x Helios TSW 1.5 Amp Transformer speed controller2 x MV-B Dual Switch for use with Helios HQW plate fans,3 x CS2 Current Switch3 x Vent Axia ACM 125 inline mixed flow duct fan2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x MWS 3 – Transformer Controller With Motor Protection2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x ERR 20/1 Centrifugal inline fan2 x Helios HQW-200/2 - IP551 x REE-1 Electronic Speed Controller1 x Transformer (silent) speed controller - RE 1.5 Amp1 x Vent Axia T-Series Controller1 x Commercial Single or 3 phase Fan Reversing Switch - RS11 x Transformer Speed Control - RTRE- 5.0Amp3 x Temperature Fan Speed Controller - ATCP4-WMS2 x Helios TSW 0.3Amp Compact Transformer speed controller
Reviews
Duct Mounted Inline Filter - EU4
Duct Mounted Inline Filter - EU4
£ 44.99

Well made and robust, but it was not use for my application ...