300 Series
Part Number
Efficiency (A)
MAX
Flow GPM (B)
93%
96%
KHE 323P2SSL
1 um
2 um
75
KHE 325P2SSL
3 um
5 um
75
KHE 327P2SSL
8 um
18 um
75
KHE 329P2SSL
18 um
25 um
75
500 Series
Efficiency (A)
MAX (B)
Part Number
96%
99%
Flow GPM
KHE 523P2SSL
1 um
2 um
50
KHE 525P2SSL
3 um
5 um
50
KHE 527P2SSL
8 um
18 um
50
KHE 529P2SSL
18 um
25 um
50

 

(A) Efficiency represents the initial efficiency on a clean element challenged on a single pass through a water base slurry of PT1 fines test dust at 3 GPM. Effieciencies are derived by counting the ratio of upstream versus downstream particles um = micron.

(B) Flow data based on gallons per minute (GPM) for 1 pound (PSID) of pressure across a clean filter.

300 Series
500 Series
Max Dirt Grams of Dust (C)
1,200
2,042
Max Total Filter Layers
5
10
Max Sq. Ft. Surface Area
23
43
Quantity Per Large Box
20
10
Max Temperature
200 F
200 F
Felt and Microfiber Sections
Yes
Yes
Easy Lift Handles
Yes
Yes
Silicone Free
Yes
Yes
No Exposed Sewn Seams
Yes
Yes
Oil Absorption and Removal
Yes
Yes
Batch Operations
Yes
Yes
Continuous Operations
Yes
Yes
Pure Polypropylene Media
Yes
Yes

 

(C) Dirt load conducted until vessel pressure reached 40 pound (PSID).

Knight Corporation believes laboratory generated performance data is a useful tool for comparing different micron ratings and as a guide for establishing a recommendation in a filtering application. However, this data should not be construed as a guarantee or warranty by Knight Corporation, either expressed or implied, of a specific performance from use of our product. Due to variances in fluid viscosity, temperature, velocity, pressure and contaminant size, shape and texture, Knight Corporation cannot guarantee field results equaling test results.