MMD506/1 fans - Multiflow Series

Description

The Multiflow Series of In-Line Mixed-Flow Fans is designed for a wide range of duct mounted applications. They are most suitable in applications where higher air flows are required at medium pressures. A particular feature of this product is its low noise levels in comparison to axial and centrifugal selections. They are available in various speed options and in 9 sizes, extending from 250 to 800mm diameter.

Features

Robust, yet lightweight galvanised steel construction.

Easy to fit 35mm TDF profile flange connections.

Patented, adjustable pitch, mixed-flow impellers.

Large choice of speeds available.

To improve energy efficiency motors can be speed-controlled.

Motors complying with Ex d, Ex e, Ex nA and Ex tD. Standards can be fitted.

Can be mounted in any position.

A range of matching ancillaries is also available.

Construction

Galvanised steel housings with 35mm TDF profile flange connections.
Patented, adjustable pitch, mixed-flow impellers made from aluminium.
Sizes 250 to 450 are available in a choice of 2 impeller pitch angle settings.
Sizes 500-800 are available in a choice of 4 or 5 impeller pitch angle settings.

Motors

Type - standard TE motors.
Electricity supply - single or three-phase to suit a wide range of voltages and frequencies.
Bearings - sealed-for-life, ball.
Motors can be single or multi-speed.
Three-phase motors for size 500 to 800, can be speed-controlled using variable speed drives.

Internal Thermal Protection

Manual-reset protection is supplied as standard up to size 450.
For fans 500 and above, thermal protection is an optional extra.

Testing

Air flow tests to BS848:Part 1, 1980
Noise tests to BS848:Part 2, 1985

Suggested Specification

The Multiflow Mixed-Flow In-Line Fans shall be as designed and manufactured by Fantech Pty Ltd and be of the model numbers shown on the schedule/drawings.
The mixed-flow impeller shall be of patented, adjustable pitch design, manufactured from aluminium and driven by standard TE motors.
Housings shall be of galvanised steel with 35mm TDF profile flange connections.
All models shall be fully tested to BS848:Part 1, 1980 for air flow and BS848:Part 2, 1985 for noise.