Xinxiang Filter

Description:
V-type / combined high-airflow filters are applicable to single large-format equipment (such as EOS M400, SLM 800) or exhaust systems shared by multiple machines, with air volume up to several thousand cubic meters per hour. Featuring V-shaped dense pleats, the filters deliver an ultra-large filtration area within limited space, with single-unit airflow capacity ranging from 1700 to 5000 m³/h.

Complying with EN 1822 standard, this product reaches H13 filtration grade with ≥99.95% efficiency for 0.3μm particles and initial resistance ≤220Pa. The V-shaped structure expands the filtration area by 3 to 5 times compared with flat filters while lowering operating resistance.

Core Technical Advantages:

Ultra-high airflow capacity: The V-shaped dense pleat structure provides massive filtration area. The standard 610×610×292mm model delivers a single-unit airflow of 3400 m³/h, 5 to 10 times that of cylindrical filter cartridges.

Low resistance & high dust holding capacity: Even airflow distribution inside V-shaped channels brings initial pressure drop ≤220Pa (H13) and low energy consumption. Its dust holding capacity is more than twice that of flat filters of the same volume.

Multiple optional grades: Grades from F7 (medium efficiency) to H14 (high efficiency) are available for multi-stage combination as required by the system — front F7 pre-filter + terminal H13 fine filter.

Modular combination design: Multiple filters can be connected in parallel according to total airflow demand for flexible expansion of processing capacity.

Working Condition Matching Table:

Application Fields:

Central Exhaust for Metal 3D Printing:

Shared exhaust systems for multiple 3D printing machines

Top exhaust units of printing equipment

Large-format 3D printing equipment

Powder Handling Systems:

Centralized powder recovery systems

Exhaust of sifters and mixers

Exhaust filtration for powder cleaning rooms

Cleanrooms in powder processing zones

Case & Data Verification:

Case: Central Exhaust System for an Aerospace 3D Printing Factory

An aerospace 3D printing factory operates 8 metal printers equipped with a central exhaust system using combined V-type filters in two stages: F9 pre-filter and H13 fine filter. The total processing airflow reaches 25000 m³/h. After 18 months of operation, particulate concentration at the exhaust outlet is measured below 1mg/m³, far exceeding environmental protection standards. The filters were only replaced once, cutting maintenance costs by around 40% compared with decentralized separate filtration for each single machine.

FAQ

Q1: How to choose between V-type filters and cylindrical cartridges?
A: V-type filters feature large airflow capacity and compact size, suitable for large-format printers or centralized exhaust of equipment clusters; cylindrical cartridges fit single small-to-medium printers. They can be connected in two stages in series: cylindrical pre-filter + V-type fine filter.

Q2: How to choose between liquid tank seal and polyurethane seal?
A: Liquid tank seal delivers superior sealing performance for H13/H14 filtration and applications with strict leakage control requirements; polyurethane foam seal comes at lower cost for F7–F9 medium-efficiency filtration.