1. Core structure differences
Partitioned efficient filter: Built-in aluminum foil / paper partition to support the filter paper, with a large gap between the filter layer folds, overall thickness is thick (150/220mm), and the filter material support strength is high
DOP liquid channel efficient filter: No partition, hot melt adhesive strips, lightweight model (66/93mm), the filter core is more compact, and the wind resistance is lower
2. Edge frame sealing
Partitioned efficient filter: Flat edge frame, sealed by foam sealing strips; disassembly may cause frame leakage; DOP leak detection has blind areas
DOP liquid channel efficient filter: Four-sided U-shaped liquid channel, matched with blue jelly elastic glue for immersion sealing; seamless sealing, can conduct complete DOP scanning leak detection for the entire machine, in line with GMP audit requirements
3. Performance advantages and disadvantages comparison (short sentences with pictures used)
Partitioned efficient filter
✅ Advantages
Partitioned support, no deformation under high wind pressure, solid structure
Large filter layer expansion area, high dust capacity, long replacement cycle
Wide filter gap, convenient manual leak detection and repair
Aluminum partition model suitable for large air volume continuous operation
❌ Shortcomings
Flat sealing strips have average sealing performance, prone to side leakage in high-clean areas
Thick thickness, occupying a lot of ceiling space
Cannot conduct complete DOP integrity detection
DOP liquid channel efficient filter
✅ Advantages
Jelly liquid channel sealing, nearly zero leakage, highest airtightness
Lightweight, low resistance, lower fan energy consumption
Supports complete DOP/PAO dust emission leak detection, a must-have for pharmaceutical and operating room compliance
Knife slot type installation, quick disassembly, no need for sealing strips
❌ Shortcomings
No partition structure, lower dust capacity and pressure resistance than partitioned type
Higher price, requires a dedicated liquid channel supply air outlet for use
4. Application scope distinction
Partitioned efficient filter applicable to
Large purification air conditioning units, main supply air systems of workshops
Workshops with high dust concentration, 24-hour continuous production
Large air volume laminar flow equipment, end of ordinary clean rooms
Workings without mandatory GMP audit requirements for sealing leak detection
DOP liquid channel efficient filter applicable to
GMP pharmaceutical sterile areas, filling / freeze-drying workshops
Operating rooms, ICU, P2/P3 biosafety laboratories
Hundred-level, ten-thousand-level ultra-high cleanliness workshops
Clean rooms that require regular DOP integrity verification and strict control of leakage
Four words to summarize the selection: Pursue large air volume, long lifespan, high pressure resistance, choose partitioned efficient; Require zero leakage, GMP compliance, complete DOP leak detection, choose DOP liquid channel efficient.
