Fold the primary filter - Songhai Purification Technology (Suzhou) Co., LTD

Fold the primary filter

Product features

It is widely used in the primary filtration of commercial air conditioning system to avoid dust pollution inside the system.
Clean room centralized ventilation system and return air system filtration to extend the service life of the back-end high efficiency filter.
Centralized ventilation systems for the automotive industry, general industrial large households and ventilation and air conditioning systems for large civil buildings.
Filtering efficiency: G3.G4 G3(EN779 80%-90%) G4 (EN779 90% or more)

Outer frame: high quality aluminum alloy profiles treated by anodic oxidation, smooth surface quality, light weight, reusable;
Connection Angle: Strong high temperature resistant ABS plastic Angle protector/aluminum alloy Angle protector;
Inner frame: the combined inner frame self-sealing clamping structure, no air leakage hazards;
The use of high-quality chemical fiber filter material, can be cleaned and reused many times, long service life.
The folded structure of the filter material can make full use of the filter area to improve its dust capacity;
Filter has low initial resistance, large dust capacity and good versatility;
Light structure, easy handling and installation

Technical parameter

Model number	dimension	efficiency	Rated air volume	Initial resistance of different air volume			Suggested final resistance
	WxHxD（mm）	EN779	(m3/h)		(Pa)		(Pa)
				70%	100%	120%
SH-GA287592	287x592x46	G3	1700	65	95	135	Initial resistance 2-2.5 times
SH-GA490592	490x592x46	G3	2800	65	95	135
SH -GA592592	592x592x46	G3	3400	65	95	135
SH -GB287592	287x592x46	G4	1700	85	130	175
SH -GB490592	490x592x46	G4	2800	85	130	175
SH -GB592592	592x592x46	G4	3400	85	130	175
※Note: ① Initial resistance tolerance of performance ±10% ② Please consult sales engineer for special size