English
中文
-
Advantages of V-Bank High-Efficiency Air Filters
V-Bank filters handle high airflow and heavy dust loads while saving installation space. Their pleated-media arrangement increases capacity and extends service life.
-
Air-Filter Fire Ratings: U.S. UL Certification for Filter Media
Some applications require fire-rated air filters. This article summarizes UL 900 Class 1 and Class 2 behavior and the six IEST structural and fire-protection grades.
-
ISO 16890: The New Industry Standard for Air Filters
ISO 16890 addresses limitations in EN 779 and ASHRAE 52.2 by evaluating filter performance against particle distributions that better represent real atmospheric dust.
-
Primary-Efficiency Air Filter Cleaning Instructions
Primary filters remove particles larger than 5 µm at the first stage of an air-conditioning system. Follow these eight steps for safe cleaning, drying, and reinstallation.
-
Air Purification in Negative-Pressure Laboratories
A laboratory can maintain slight negative pressure by balancing exhaust and make-up airflow. Differential-pressure sensors help prevent contaminated air from escaping.
-
How to Choose a Good HEPA Air Filter Manufacturer
Evaluate a HEPA filter supplier by product quality, test capability, batch inspection reports, engineering support, after-sales service, ODM capacity, and reputation.
-
Differences Between GMP Grades A-D and Class 100, 1,000, and 10,000 Areas
The revised GMP uses Grades A-D with both static and dynamic requirements, while older Class 100, 1,000, and 10,000 designations follow a different system.
-
How to Reduce Disposal Costs for Spent Nuclear-Grade HEPA Filters
Nuclear-grade HEPA filters capture radioactive particles but become hazardous waste. Better classification and disposal can reduce nuclear-plant lifecycle costs.
Company landline
010-60770969
Sales Phone/WeChat: 15601000090
Purchasing Management/WeChat: 13331060986
Company Phone: 010-60770969
Address: Room 1708, Building B, Jinyu International Center, Longyu East 1st Road, Huilongguan Street, Changping District, Beijing
©2026 Kelan Filtration Technology(Beijing) Group Co., Ltd. All rights reserved
Record Number: Jing ICP No. 2022016037-2
Technical Support: Suyuan Network
Sales Phone/WeChat: 15601000090
Purchasing Management/WeChat: 13331060986
Company Phone: 010-60770969
Address: Room 1708, Building B, Jinyu International Center, Longyu East 1st Road, Huilongguan Street, Changping District, Beijing
©2026 Copyright Beijing Kelan Fresh Air Technology Co., Ltd. All rights reserved
Record Number: Jing ICP No. 2022016037-2
Technical Support: Suyuan Network
