Ferrofluidic Seals
(FerroSeals)

Magnetic Fluid Seal

Ferrofluidic Seals (FerroSeals)

Hollow Shaft FerroSeals

Flange Mount FerroSeals (Cantilevered Seal Type)

Model Number Standard HFF020
CC		 HFF025
CC		 HFF030
CC		 HFF040
CC		 HFF050
CC
Water Cooling HFF020
MC		 HFF025
MC		 HFF030
MC		 HFF040
MC		 HFF050
MC
Shaft Diameter 020 025 030 040 050
A 20 ＋0.04 25 ＋0.04 30 ＋0.04 40 ＋0.05 50 ＋0.05
＋0.02 ＋0.02 ＋0.02 ＋0.02 ＋0.02
B 123.5 126 130.5 141 147.5
C 109.5 112 116.5 125 131.5
D 78 90 96 106 132
E 44 49 54 69 79
F 10 10 10 12 12
G 20 －0.01 25 －0.01 30 －0.01 40 －0.01 50 －0.01
－0.03 －0.03 －0.03 －0.03 －0.03
J 120 145 145 160 185
K 10 10 10 12 12
L 14.5 13 14 12 12.5
N PD100/
4-φ10		 PD120/
4-φ12		 PD120/
4-φ12		 PD135/
4-φ12		 PD160/
8-φ12
Shaft Inner Diameter O-ring S20 S25 S30 S40 S50
Housing End O-ring G50 G60 G70 G80 G90
Water Cooling Hole Dimensions PT1/8 PT1/8 PT1/8 PT1/8 PT1/8
Reference Ultimate Pressure [Pa] 10-6
Operating Temperature Range [℃] Room temperature to 80
Gas Compatibility Inert Gas
Housing Material SUS304
Shaft Material SUS630
O-ring Material Viton O-ring

Option：Housing material SUS316
Option：Inert gas type　　（model number：HFL○○○CC)

Values in the data tables are the result of our test ,or calculation and not guaranteed