Description

Multiflow Series mixed flows fans are duct mounted mixed-flow fans is suitable for supply or exhaust from applications ranging from residential, through commercial, to industrial.
A particular feature of this product is its low noise levels.

Construction
Galvanised steel housings with modern flange connections.
Impellers are the Elta patented adjustable-pitch mixed-flow design.

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.
Standard motors can be single or multi-speed and can be speed-controlled using inverters.

Internal Thermal Protection
These can be provided as an optional extra to standard motors.

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

Special Features
Sizes 250-450 are available in a choice of two pitch settings.
Sizes 500-800 are available in a choice of four or five pitch settings.
All sizes provide a wide range of capacities.
Fan units are light in weight and can be mounted at any angle.

Three Phase Models

Product Code	Diameter [mm]	Speed [rps]	kW	Amps	Avg. dB(A) @ 3m	Max.Pressure [Pa] -Recom	Max.Volume [m³/sec]
MMD504/1Ex	500	24	1.5	3.3	63	482	1.62
MMD504/2Ex	500	24	1.5	3.3	63	508	2.13
MMD504/3Ex	500	24	1.5	3.3	66	519	2.65
MMD504/4Ex	500	24	2.2	4.3	66	528	3.12
MMD504/5Ex	500	24	2.2	4.3	68	529	3.42
MMD564/1Ex	560	24	2.2	4.3	66	559	2.31
MMD564/2Ex	560	24	2.2	4.3	66	603	3.08
MMD564/3Ex	560	24	2.2	4.3	69	641	3.75
MMD564/4Ex	560	24	3	6.2	69	655	4.35
MMD564/5Ex	560	24	4	8.2	70	672	4.80
MMD506/1Ex	500	16	0.55	1.72	54	201	1.10
MMD506/2Ex	500	16	0.55	1.72	54	226	1.46
MMD506/3Ex	500	16	0.55	1.72	54	231	1.77
MMD506/4Ex	500	16	0.55	1.72	55	235	2.08
MMD506/5Ex	500	16	0.55	1.72	56	236	2.28
MMD566/1Ex	560	16	0.75	2	58	240	1.54
MMD566/2Ex	560	16	0.75	2	58	268	2.07
MMD566/3Ex	560	16	0.75	2	59	285	2.49
MMD566/4Ex	560	16	1.1	3	60	292	2.89
MMD566/5Ex	560	16	1.1	3	61	298	3.19
MMD636/1Ex	630	16	1.5	3.7	61	368	2.53
MMD636/2Ex	630	16	1.5	3.7	61	373	3.32
MMD636/3Ex	630	16	1.5	3.7	61	384	3.87
MMD636/4Ex	630	16	2.2	5.2	62	390	4.39
MMD636/5Ex	630	16	2.2	5.2	65	399	4.69
MMD806/1Ex	800	16	4	8.8	67	579	5.27
MMD806/2Ex	800	16	4	8.8	67	614	6.69
MMD806/3Ex	800	16	5.5	11.8	68	628	7.79
MMD806/4Ex	800	16	5.5	11.8	69	642	9.11
MMD638/1Ex	630	12	0.55	2.08	53	203	1.92
MMD638/2Ex	630	12	0.55	2.08	53	209	2.49
MMD638/3Ex	630	12	0.75	2.1	54	215	2.91
MMD638/4Ex	630	12	0.75	2.1	56	221	3.29
MMD638/5Ex	630	12	0.75	2.1	57	225	3.53
MMD808/1Ex	800	12	2.2	5.1	59	323	3.93
MMD808/2Ex	800	12	2.2	5.1	59	345	5.03
MMD808/3Ex	800	12	2.2	5.1	59	351	5.85
MMD808/4Ex	800	12	2.2	5.1	61	351	6.79