Quietflow Twin SQT200-1ECL

Centrifugal Twin Box Fan

£967.00

Excl. VAT

  • Standard size 200 mm
  • Air volume flow rates up to 0.264 m3/s
  • Static pressures up to 636 Pa
  • Suitable for operating temperatures up to +60℃
  • Available in EC
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21 in stock

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Overview

The Quietflow SQT fans are acoustically lined twin in-line centrifugal fans, suitable for internal duct mounting. The Quietflow incorporates advanced backward curved impellers, with three dimensional profiled blades.

Features and Benefits

Low Noise

Each unit is acoustically lined internally with Class O rated (BS 476 Parts 6 and 7) fire resistant acoustic foam lining minimising breakout noise levels.

Easy Installation

New Multi-mount brackets allow easy mounting in a range of orientations.

Easy Commissioning

Integrated commissioning control allowing single speed selection and also limiting maximum speed if used with an external potentiometer.

Efficient Performance

High efficiency low tonal noise backward curved centrifugal impellers are directly driven by EC external rotor motors, provide low specific fan powers and stepless speed control without tonal noise generation.

Weather Resistance

Units can be weatherproofed in the factory to allow external installation.

Controllability

EC motors providing 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.

Twin Fan Operation

Allowing control for auto changeover and duty share.

Warranty

Each SQT has a 12 month warranty.

Specification

Casing

The robust 1.2mm galvanised mild steel sheet casing, is treated internally with a Class ‘O’ rated (BS 476 Parts 6 and 7) fire resistant acoustic foam lining with a fire resistant polymeric coating. The wrap around folded casing is specially manufactured using integral motormounting plates to provide additional rigidity for the casings. Each casing provides spigots to suit standard circular ducting. A removable lid is provided as a standard feature to facilitate ease of maintenance and cleaning.

Motors

The twin range of units have an EC external rotor motor fitted as standard. The motor contains sealed for life bearings. Thermal Class of motors to THCL 130 or 155 dependent on size. All motors are suitable for use in ambient air conditions up to +60 ℃. Electrical connection shall be via an IP55 terminal box mounted on the side for easy customer connection.

Impellers

High efficiency low tonal noise backward curved centrifugal impeller, dynamically balanced to ISO 14694 Grade G6.3 and directly driven by the motor to provide a smooth airflow through the unit.

Control

Units shall be supplied with integrated commissioning control allowing single speed selection and also limiting maximum speed if used with an external potentiometer. Speed control shall be via external potentiometer or0-10V, Auto changeover in the event of fan fail or duty share of run and standby fan shall be via auto changeover panel.

Quality Management

Units are to be designed and manufactured with procedures as defined in BS EN ISO 9001. All Quietflow SQT units are to be tested to ISO 5801 (airside performance) and BS 848 Part 2 (sound performance).

Typical Applications

Office Buildings
Office Buildings
Libraries and Archives
Libraries and Archives
Commercial Kitchens
Commercial Kitchens

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