High Temperature Deep-Pleat HEPA Filter

High-temperature deep pleat HEPA filter is specifically designed for high-temperature environments ranging from 250 to 450°C. It utilizes high-temperature-resistant ultra-fine glass fiber filter media, aluminum foil separators, and a deep-pleat structure to achieve highly efficient particle capture with minimal resistance. It is suitable for use in ovens, cleanrooms, and various types of high-temperature air purification equipment.

Filter Material: High-temp resistance ultra-fine fiberglass filter paper
Filtration Grade: E10、E11、E12、H13, H14 (EN1822)
Frame: galvanized sheet / aluminum alloy / stainless steel
Temperature Resistance: ≤450 ℃
Moisture Resistance: ≤100%RH
Filtration Object: ≥ 0.3 μm or ≥ 5 μm particles

key features

Excellent High-Temperature Performance: capable of stable, long-term operation in environments ranging from 250°C to 450°C; specifically designed for ovens, high-temperature drying chambers, and industrial hot-air systems.
High-Efficiency Filtration: utilizes high-temperature resistant, ultra-fine glass fiber filter media capable of efficiently capturing sub-micron particles, meeting HEPA-grade filtration standards.
Superior Structural Design: features a deep-pleat design with separators to precisely maintain pleat spacing and maximize filtration surface area.
Flexible Frame Options: available in various configurations—such as box-type, single-header, or double-header—to suit diverse installation requirements.
Consistent Quality: employs a double-crease structure at the pleat bends to help prevent filter media damage and enhance overall product stability.

Product Specifications

Note: other specifications can be customized according to your requirements.

Technical Parameters
Main Materials	Filter material	High-temp resistance ultra-fine fiberglass filter paper
	Separators	Corrugated aluminum foil
	Outer Frame	Aluminum alloy frame / Galvanized sheet frame / Stainless steel frame
	Sealant glue	High-temperature resistance sealant glue
	Gesket	High-temperature resistance strip
Filtration Grade	E10、E11、E12、H13、H14（EN1822:2009）	Filtration Object	≥ 0.3 μm or ≥ 5 μm particles
	MERV16~20(ASHRAE52.2)	Max Operating Temperature	≤250°C / ≤350°C / ≤450°C
	ISO 15E, ISO 20E, ISO25E, ISO30E, ISO35H, ISO45H（ISO29463）	Humidity Resistance	≤100%RH

Specifications
Model	Normal Sizes	Rated Airflow (m³/h)	Initial Pressure Drop (Pa)
	WHD (mm)		0.25m/s	0.5m/s	0.75m/s
HTDP	320320220	400	≤120	≤220	≤240
	484484220	1000
	610610150	1000
	630630220	1500
	610610292	2000

Applications

The high-temperature deep-pleat HEPA filter is suitable for various high-temperature air purification applications. It maintains stable filtration performance in high-temperature environments, meeting the dual requirements for clean air and heat resistance across different industries.

Terminal filtration for high-fire-safety or high-temperature equipment, such as high-temperature ovens, coating lines, and chemical reactors.
Terminal filtration for fresh air and HVAC systems in cleanrooms within industries such as electronics, semiconductors, pharmaceuticals, and automotive manufacturing.
Ventilation systems require fire resistance and high-temperature tolerance, such as those in hospital operating rooms and laboratories.