Gamma Ultra Series - Downflow Discharge Mixed-Flow Fans

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	Avg. dB(A) @ 3m	kW	Amps	Max.Pre [Pa]	Max.Vol [m³/sec]
GUE254D	40	0.095	0.48	134	0.38
GUE284D	41	0.13	0.66	188	0.50
GUE314D	45	0.22	1.1	188	0.71
GUE354D	46	0.37	1.85	260	1.02
GUE404D	51	0.58	2.6	277	1.49
GUE454D	55	1.1	5.2	414	2.18
GUE504D	56	1.65	7.4	513	2.82
GUE316D	38	0.09	0.48	83	0.47
GUE356D	39	0.12	0.56	114	0.68
GUE406D	44	0.28	1.35	139	1.07
GUE456D	46	0.37	1.75	159	1.38
GUE506D	48	0.54	2.5	183	1.84
GUE566D	49	0.84	4.2	216	2.69

Three Phase Models

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