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It is designed for prefiltration or coarse filtration in the inlet of general ventilation and air conditioning system - details see: https://www.machineto.com/air-blower-pre-filter-10224939

Speciality:

SHW-20/G2, SHW-30/G3, SHW-40/G4,SHW-60/F5,

consisted of special organic synthetic fiber, is a kind of high-density pocket filter.

It's designed for prefiltration or coarse filtration in the inlet of general ventilation and air conditioning system.

It's processed by high-performance synthetic fiber in gradual technology.

Large dust holding capacity and low initial resistance, economical and practical

Conforming to European DIN53438-F1 and the American UL900-Class2

These kinds of pre-filter media are fire-retardant.

Temperature resistance: 100°C Instantaneous temperature: 120°C

Be widely used in pleated and pocket filters

Specification :

Type	Filter Class	Average Arrestance	Initial Efficiency	NominalVelocity (m/s)	Rated Airflow (m3/h)	Initial Resistance (Pa)	Final Resistance (Pa)	Dust Holding Capacity (g/m2)	Thickness (mm)	Sizes
SHW-20	G2	75%	<20%	2.0 m/s	7200	18	150	400	10	1.0*20 M
										2.0*20 M
SHW-30	G3	86%	<20%	1.5 m/s	5400	20	250	500	15	1.0*20 M
										2.0*20 M
SHW-40	G4	91%	<20%	1.5 m/s	5400	27	250	600	20	1.0*20 M
										2.0*20 M
SHW-60	F5	96%	<22%	0.25 m/s	900	45	450	380	12	1.0*20 M
										2.0*20 M

Note:Other specifications are available on request

Photos

Production Line