Description

The Gamma Ultra Series of Mixed-Flow roof units has been designed for use in commercial ducted exhaust applications. These compact and low profile units are fitted with birdmesh to prevent the entry of birds and vermin into the ducting or building. They are available in 9 sizes, extending from 250 to 630mm diameter.

Typical Application
Exhaust air from a wide range of commercial applications such as factories, warehouses and workshops, change rooms, bulk goods retail outlets and assembly halls.

Features

Robust, lightweight construction.
Choice of speeds available.
Compact, low profile design.
Designed for down flow or vertical exhaust applications.
Shutters are an optional extra for single fan units. The pressure loss across the shutter has to be added to the system pressure before making selections.
Can be mounted at angle up to 30°.
Most 3-phase motors are 2-speed star/delta design.

Single Phase Models

Product Code	Diameter [mm]	Speed [rps]	kW	Amps	Avg. dB(A) @ 3m	Max.Pressure [Pa] -Recom	Max.Volume [m³/sec]
GUE254D	250	24	0.095	0.48	40	134	0.38
GUE284D	280	24	0.13	0.66	41	188	0.50
GUE314D	315	23	0.22	1.1	45	188	0.71
GUE354D	355	23	0.37	1.85	46	260	1.02
GUE404D	400	21	0.58	2.6	51	277	1.49
GUE454D	450	23	1.1	5.2	55	414	2.18
GUE504D	500	22	1.65	7.4	56	513	2.82
GUE316D	315	15	0.09	0.48	38	83	0.47
GUE356D	355	15	0.12	0.56	39	114	0.68
GUE406D	400	16	0.28	1.35	44	139	1.07
GUE456D	450	15	0.37	1.75	46	159	1.38
GUE506D	500	15	0.54	2.5	48	183	1.84
GUE566D	560	15	0.84	4.2	49	216	2.69

Three Phase Models

Product Code	Diameter [mm]	Speed [rps]	kW	Amps	Avg. dB(A) @ 3m	Max.Pressure [Pa] -Recom	Max.Volume [m³/sec]
GUD314D	315	22	0.21	0.5	45	194	0.72
GUD354D	355	23	0.33	0.68	46	262	1
GUD404D	400	22	0.54	1.2	51	275	1.49
GUD454D	450	23	1	1.95	55	380	2.13
GUD504D	500	21	1.45	2.8	55	469	2.68
GUD564D	560	22	2.5	4.6	58	526	4.19
GUD316D	315	15	0.09	0.26	38	82	0.48
GUD356D	355	16	0.13	0.36	40	113	0.62
GUD406D	400	15	0.22	0.56	43	125	1.01
GUD456D	450	15	0.32	0.7	46	160	1.37
GUD506D	500	14	0.48	0.88	47	210	1.87
GUD566D	560	15	0.86	2.2	50	235	2.79
GUD636D	630	15	1.45	3.4	54	368	3.90
GUD318D	315	13	0.05	0.11	35	59	0.41
GUD358D	355	13	0.07	0.14	36	64	0.58
GUD408D	400	11	0.13	0.28	36	69	0.76
GUD458D	450	9	0.19	0.39	34	44	0.80
GUD508D	500	11	0.31	0.5	40	104	1.32
GUD568D	560	13	0.62	1.1	46	176	2.47
GUD638D	630	12	0.86	1.85	48	219	3.06