AT250: Roll of filtering media in thermobonded synthetic polyester staple fibre with a basis weight of 250 g/m² . Efficiency class G4 .

AT350: Roll of filtering media in thermobonded synthetic polyester staple fibre with a basis weight of 350 g/m² . Efficiency class G4.

TECHNICAL CHARACTERISTICS AND LIMITS OF USE AT250

• Efficiency class (CEN EN779-2012):  G4
• Average gravimetric efficiency: 90%
• Filter fabric basis weight: 250gr/m²
• Thickness: 22-24 mm
• Maximum operating temperature: 100°C
• Relative humidity: 100%
• Initial pressure drop: 43 Pa
• Recommended final pressure drop: 250 Pa
• Maximum pressure drop: 400 Pa
• Dust collection capacity: 470 gr/m²
• Recommended frontal velocity: 1,5 m/s
• Reaction to fire (DIN53438/3): class F1

CARATTERISTICHE AT350

• Efficiency class (CEN EN779):  G4
• Average gravimetric efficiency: 95%
• Filter fabric basis weight: 350gr/m²
• Thickness: 22-24 mm
• Maximum operating temperature: 100°C
• Relative humidity: 100%
• Initial pressure drop: 52 Pa
• Recommended final pressure drop: 250 Pa
• Maximum pressure drop 400 Pa
• Dust collection capacity: 490 gr/m²
• Recommended frontal velocity: 1,5 m/s
• Reaction to fire (DIN53438/3): class F1

APPLICATIONS AT250

Air treatment units, prefiltration in high-efficiency filters.

APPLICATIONS AT350

Air treatment units, prefiltration in high-efficiency filters.

DOWNLOAD TECHNICAL SHEET>>