Twinflow STDL125-1EC
- Standard size 125mm
- Air volume flow rates up to 0.116 m3/s
- Static pressures up to 729 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 and spigot type
- Available in EC
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Overview
Twinflow STDL fans are suitable for external mounting. The range incorporates advanced backward curved impellers.
- Product Overview
- Installation and Maintenance
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Features and Benefits
Easy Installation
All models are designed for direct connection to standard diameter flexible or rigid circular ducting with long spigots.
Easy Commissioning
Integrated commissioning control allows single speed selection and also limits maximum speed if used with an external potentiometer.
Efficient Performance
High efficiency low tonal noise backward curved centrifugal impellers are directly driven by an EC external rotor motor, provide low specific fan powers and stepless speed control without tonal noise generation.
Controllability
EC motors provide precise speed control via potentiometer, BMS or Elta Fans DCV control. Reduced fan speeds can provide significant cost-savings through lower energy consumption in both mechanical energy of motors and also on the conditioning of replacement air.
Warranty
Each STDL has a 12 month warranty.
Specification
Casing
Robust 1.2mm galvanised mild steel sheet casing. The casing is specially manufactured using integral motor mounting plates to provide additional rigidity for the casings. Each casing provides spigots to suit standard circular ducting.
Motor
EC external rotor motor fitted as standard. The IP44 motor contains sealed for life bearings. All motors are suitable for use in ambient air conditions up to +60°C.
Impeller
High efficiency low tonal noise backward curved centrifugal impeller, dynamically balanced to ISO1940-1 and directly driven by the motor to provide a smooth airflow through the unit.
Duct Connection Options
Can be supplied with rectangular outlet & inlet spigots on request.
Electrical Connection Options
Electrical cable entry from either side for ease of electrical connection as standard (a terminal box pre-fitted to either side can be ordered).
Typical Applications
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