Abort Damper

ADX Series

The ADX® abort damper is the last line of defence against fires and explosions coming from a dust collection system. The damper's main function is to prevent the risk of fire within a work environment.

With the aim of ensuring the safety of staff and equipment, it is essential for an abort damper to be present if you meet the following two conditions:

The clean air stream exiting a dust collection system is recirculated inside the building.
The particles filtered by the dust collector are pyrophoric.

In accordance with standards NFPA 654, 652, 664, and 72, the ADX® abort damper quickly diverts the air outside the building in the event that a spark is detected.

How it Works

1. The contaminated air from the work stations is directed to the dust collector.

2. A spark detection sensor identifies sparks and burning embers in the intake duct.

3. The spark causes an explosion when in the presence of a concentration of pyrophoric dust in the dust collector’s chamber.

4. The pressure generated by the explosion makes its way through the clean air system and is diverted by the damper.

5. The blast is released safely outside.

6. The indoor work environment is protected from a fire or explosion coming from the clean air return duct of the dust collection system.

The ADX® series abort damper is equipped with a lever arm that controls the flap valve in two different positions.

During normal operating conditions, the door stays in a horizontal position, thus allowing the air stream to be directed into the building.

To activate the damper in abort mode, a spark detection sensor is configured to send a signal to the damper. When the sensor, located upstream of the dust collector, detects a spark or burning ember, it sends a signal to release the electro-mechanical latch. The flap valve then quickly falls into the abort position to relieve the pressure from the explosion into the outside atmosphere.

OPTIMIZE YOUR INDUSTRIAL DUST COLLECTOR PERFORMANCE

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Advantages

Electromagnetic Latch

Mechanical latch type has been replaced by an electromagnet system to avoid risk failure as well as extend components lifespan.

Reinforced Unit

The general design of the series was completely reconsidered. The damper assembly is now fully bolted rather than welded in order to provide a reliable solid construction.

Simplified Damper Reset

The addition of a pneumatic mechanism coupled to a toggle switch makes it a breeze to rearm the damper.

Specifications

Models	A		B		C		C1		D		E		ø Shaft		Square to round equivalent
Models	in	mm	in	mm	in	mm	in	mm	in	mm	in	mm	in	mm	in	mm
ADX12	41	1041	23 1/2	597	23 1/4	591	25 1/2	648	40 1/2	1029	22	559	3/4	19	13	330
ADX18	54 1/2	1384	35	889	29 1/4	743	31 1/2	800	56 1/2	1435	28	711	3/4	19	20	508
ADX22	55	1397	43	1092	33 1/4	845	37 1/2	953	59 1/4	1505	32	813	1	25	24	610
ADX24	59 1/2	1511	47	1194	35 1/4	895	37 1/2	953	65	1651	34	864	1	25	27	686
ADX28	68 1/2	1740	55	1397	39 1/4	997	41 1/2	1054	73 1/2	1867	38	965	1	25	32	813
ADX32	77 1/2	1969	63	1600	45 1/4	1149	46 1/4	1175	84	2134	43 1/2	1105	1 1/4	32	36	914
ADX36	86 1/2	2197	71 1/8	1807	49 1/4	1251	50 1/4	1276	90 3/4	2305	47 1/2	1207	1 1/4	32	40	1016
ADX40	86 1/2	2197	78 1/8	1984	53 1/4	1353	54 1/4	1378	91 3/4	2331	51 1/2	1308	1 1/2	38	45	1143
ADX48	115 1/2	2934	92 1/8	2340	61 1/4	1556	62 1/4	1581	122	3099	59 1/2	1511	1 1/2	38	54	1372
ADX54	115 1/2	2934	104 1/8	2645	67 1/4	1708	68 1/4	1734	122 1/8	3102	65 1/2	1664	2	51	60	1524
ADX60	115 1/2	2934	110 1/8	2797	73 1/4	1861	74 1/4	1886	122 1/8	3102	71 1/2	1816	2	51	66	1676