Description

The Neta Twin Series of duct mounted in-line centrifugal fans is complete with a standby fan and motor for applications requiring standby facilities.

Construction
Galvanised sheet steel housing with modern flange connections. Backward-curved centrifugal impellers.

Motors
Type - external rotor, squirrel cage induction motor.
Electricity supply - 220-240V, single or 415V, three-phase, 50Hz.
Bearings - sealed-for-life, ball.
Speed-controllable using electronic or auto-transformer controllers.

Internal Thermal Protection
Manual-reset type fitted as standard on all models with standard motors.

Testing
Air flow test to BS848, Part 1, 1980.
Noise test to BS848, Part 2, 1985.

Special Features
Easy access to the fan and motor is an integral part of the design.
Most three-phase motors are 2-speed star/delta design.
Dual fan, dual-motor arrangements give 100% stand-by facility.
Low-loss non-return damper to prevent short cycling.

Single Phase Models

Product Code	Diameter [mm]	Speed [rps]	kW	Amps	Avg. dB(A) @ 3m	Max.Pressure [Pa] -Recom	Max.Volume [m³/sec]
TILE314	310	22	0.14	0.7	48	279	0.47
TILE354	350	23	0.27	1.3	51	384	0.72
TILE404	400	21	0.43	2.4	54	466	0.97
TILE454	450	20	0.73	3.3	57	584	1.42
TILE504	500	23	1.42	6.3	61	778	2.09
TILE316	310	15	0.08	0.38	42	111	0.27
TILE356	350	15	0.07	0.32	43	144	0.45
TILE406	400	15	0.17	0.8	44	209	0.61
TILE456	450	15	0.3	1.4	46	249	0.85
TILE506	500	15	0.48	2.4	50	317	1.30
TILE566	560	14	0.66	3	54	434	1.86
TILE508	500	11	0.21	0.99	45	204	0.95
TILE568	560	11	0.35	1.65	47	213	1.26

Three Phase Models

Product Code	Diameter [mm]	Speed [rps]	kW	Amps	Avg. dB(A) @ 3m	Max.Pressure [Pa] -Recom	Max.Volume [m³/sec]
TILD314	310	22	0.14	0.29	48	279	0.47
TILD354	350	23	0.275	0.63	51	384	0.72
TILD404	400	23	0.45	1.4	54	466	0.97
TILD454	450	23	0.77	1.47	57	584	1.42
TILD504	500	22	1.2	2.2	61	778	2.09
TILD564	560	19	1.7	3.3	65	977	2.80
TILD316	310	18	0.1	0.16	42	111	0.27
TILD356	350	19	0.2	0.34	43	144	0.45
TILD406	400	15	0.17	0.37	44	209	0.61
TILD456	450	15	0.44	1.2	46	249	0.85
TILD506	500	15	0.65	1.2	50	317	1.30
TILD566	560	15	0.65	1.4	54	434	1.86
TILD408	400	11	0.11	0.2	40	119	0.41
TILD458	450	11	0.15	0.5	43	143	0.67
TILD508	500	11	0.3	0.5	45	204	0.95
TILD568	560	12	0.44	0.8	47	213	1.26