• 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 - 7.5KW1 x Elta Variable Speed Drive IP66 - 2.2KW1 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 FU 22 25 Frequency Inverter1 x FU 075 52 Frequency Inverter (IP20)1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 0.75KW1 x Frequency converter RUCK - FU 075 201 x Elta Variable Speed Drive IP66 - 4.0KW1 x Elta Variable Speed Drive IP66 - 1.5KW1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW1 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x FRQ5-10A Inverter Speed controller1 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 10 Amp Electronic single phase speed controller.1 x Frequency converter RUCK - FU 075 211 x FU 22 04 Frequency Inverter1 x ELTA - Single Phase Transformer 2amps2 x Electronic extractor fan speed controller - FSC 1.52 x EC6H - Reversible Group Fan Electronic Controller1 x Elta 2 Amp Electronic single phase speed controller.2 x Elta 3 Amp Electronic single phase speed controller with TK2 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 16amps1 x EFSC-3N- Single Phase Speed Control1 x Elta 3 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 12amps1 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019613 x COM-31 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x EFSC-6N- Single Phase Speed Control1 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps2 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 - CFCU4 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Airvent ceiling fan controller1 x Isolator Switch - ISOSW1 x 7 Day Programmable TIMECLOCK1 x BEAS-control module1 x ACOAS/ AC/EC Auto Changeover 8Amp1 x ACO8AC/EC AutoChangeover panel2 x MWS 1.5 – Transformer Controller With Motor Protection2 x Envirovent G4 Filter - SL-G4/F71 x Vent Axia T-Series Controller1 x Elta ACO Panel 149-ACO14E1 x EC-Vent control board1 x CONTROL ECOWATT - Basic1 x ACO 149-ACO1/EDV1 x EM30-24 Electro-Mechanical Control Panel1 x EC-Vent Room Unit1 x U-EK plastic housing IP65 - for use with the U-EK230E Motor Protection1 x Speed Controller - REB51 x Elta ACO Panel 149-ACO18B2 x Systemair Save Connect 2.0 Internet Module1 x EM30-24 Control Panel Commissioning Service1 x REB-CVF 0-10v Controller1 x MTS10- extractor fan 3 step switch1 x Rectangular Airbrick Adaptor1 x PIR Sensor - PIR22 x Remote controller FLEX - for VEKO INT2 x Helios TSW 7.5 Amp Transformer speed controller1 x ELTA - Single Phase Transformer 8amps3 x MWS 3 – Transformer Controller With Motor Protection3 x Vent Axia ACM 200 inline mixed flow duct fan1 x TG-K Duct temperature sensor1 x Transformer (silent) speed controller - RE 3.0 Amp1 x Transformer Speed Control - RTRE- 12.0Amp1 x Helios HQW-200/2 - IP552 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x Helios HQW-200/4 - IP552 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x Helios HQW-630/4 - IP552 x Envirovent 4 Way Remote Control Switch - SWHBKRF-44 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Vent Axia ACM 150 T (Timer Model) inline mixed flow duct fan1 x REU 1.5amp Speed control - Two Speed Five-Step Transformer - Trickle and Boost2 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Vent Axia ACM 150 inline mixed flow duct fan2 x Helios TSW MCB Amp Transformer speed controller2 x Transformer 5 Speed Controller - ATC1-10TK2 x Transformer 5 Speed Controller - ATC1-4TK2 x Transformer 5 Speed Controller - ATC1-8TK2 x Helios TSW 3 Amp Transformer speed controller4 x Transformer speed controller - ATC1 - 1.5 Amps2 x Three Phase Transformer controllers - RMT 1.5 Amp4 x Vent Axia ACM 125 inline mixed flow duct fan2 x CS2 Current Switch2 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x TTC-2000 Three phase electric heater controller1 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x Transformer 5 Speed Controller - ATC1-2TK2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE1 x Helios TSW 0.3Amp Compact Transformer speed controller2 x Helios TSW 1.5 Amp Transformer speed controller2 x WS - Reversing Switch from Helios Fans1 x Two Speed Switch - REGUL-21 x Skyflow SSR Horizontal Roof Cowl SSR31/35B1 x Transformer (silent) speed controller - RE 5.0 Amp1 x Isolator Switch - EFF-ISO1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x REE-1 Electronic Speed Controller1 x Multiflow SMB550/4-1AC1 x Helios HQW-315/4 - IP551 x TG-R room temperature sensor3 x Temperature Fan Speed Controller - ATCP4-WMS1 x MV-B Dual Switch for use with Helios HQW plate fans,1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT
Reviews
Circular Inline Silencers - 0.6M long - SLU-600
Circular Inline Silencers - 0.6M long - SLU-600
£ 58.40

I have a loft mount extractor fan which was very noisy. I ...