ASTRON ASTC Low-Pressure-Drop Medium Filter

Product Overview

ASTC is a glass-fiber low-PD medium filter, available in 85% or 55% efficiency @ 0.4 μm. Separator-type construction delivers up to 3360 CMH per unit — standard for outside-air processing and industrial-grade medium filtration. Key features ・85% or 55% efficiency @ 0.4 μm ・Separator-type (high airflow) ・Glass-fiber media (durable, high capture) ・Up to 3360 CMH per unit Target industries：Power generation

Key Specifications

Filtration Efficiency: 85%@0.4μm / 55%@0.4μm / 50%@0.4μm
Rated Airflow: 18.5 – 109.5 CMM (1107 – 6570 CMH)
Initial Pressure Drop: 78 – 167 Pa
Standard Dimensions: W 305–1220 × H 500–610 × D 150–290 mm

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Specifications

Filtration Efficiency: 85%@0.4μm / 55%@0.4μm / 50%@0.4μm
Rated Airflow: 18.5 – 109.5 CMM (1107 – 6570 CMH)
Initial Pressure Drop: 78 – 167 Pa
Standard Dimensions: W 305–1220 × H 500–610 × D 150–290 mm

Model Reference

No.	Model	Efficiency	W (mm)	H (mm)	D (mm)	Airflow (CMM)	Airflow (CMH)	Initial ΔP (Pa)
1	ASTC-18-95	85%@0.4μm	500	500	150	18.5	1107	78
2	ASTC-18-60	55%@0.4μm	500	500	150	18.5	1107	118
3	ASTC-28-95	85%@0.4μm	610	610	150	28.0	1692	78
4	ASTC-28-60	55%@0.4μm	610	610	150	28.0	1692	118
5	ASTC-36-95	85%@0.4μm	500	500	290	36.0	2160	167
6	ASTC-36-60	55%@0.4μm	500	500	290	36.0	2160	137
7	ASTC-56H-95	85%@0.4μm	305	610	290	28.0	1680	167
8	ASTC-56H-60	55%@0.4μm	305	610	290	28.0	1680	137
9	ASTC-56-95	85%@0.4μm	610	610	290	56.0	3360	167
10	ASTC-56-60	55%@0.4μm	610	610	290	56.0	3360	137
11	ASTC-Z-95E	85%@0.4μm	1220	610	290	109.5	6570	167
12	ASTC-Z-60E	50%@0.4μm	1220	610	290	109.5	6570	137

Detailed Description

ASTRON ASTC is the glass-fiber version of the medium-filter family. Higher efficiency and longer life than the non-woven EML — ideal for power plants and industrial HVAC where filter durability is paramount.

Materials & Construction

Property	Specification
Filter frame	ALUMINUM
Media	GLASS PAPER
Max. temperature	60°C
Relative humidity	95%RH
Separator	ALUMINUM
Gasket	CHLOROPRENE
Grille (downstream)	-
Grille (upstream)	-
Sealant	HOT MELT ADHESIVE
Max airflow	Can be calculated on request
Max final PD (Pa)	294

Airflow vs Pressure Drop (representative)

Two representative depths (55% grade). 290 mm provides higher airflow.

Applications

- Power plant intake filtration - Mid-stage filtration in large industrial AHUs - Outside-air processing units (when glass-fiber media is required)

Selection Notes

- For ultra-low PD, EML (non-woven) is more economical. - For long life / high durability, choose ASTC (this model). - 85% grade for fine-particle environments; 55% grade standard.