Ferrofluidic Seals
(FerroSeals)

Magnetic Fluid Seal

Ferrofluidic Seals (FerroSeals)

Solid Shaft FerroSeals

Through Hole FerroSeals

Model Number standard SNL006
NN		 SNF006
NN		 SNL010
NN		 SNF010
NN
Water Cooling SNL006
WN		 SNF006
WN		 SNL010
WN		 SNF010
WN
Shaft Diameter 006 010
A 6 ＋0 10 ＋0
－0.018 －0.022
B 97.5 119.5
C 57.5 69.5
D M32× 1.5 M38 × 1.5
E D0.5×L12 (flat) W3×D1.8×L14
F 20 25
J 55 60
K 10 10
P 49 55
Housing End O-ring P39 P45
Nut Width Across Flats 46 55
Nut Thickness 8 8
Washer Outer Diameter 49 58
Washer Thickness 3 3
Allowable Transmission Torque [N-m] 0.95 0.95 6.1 6.1
Reference Ultimate Pressure [Pa] 10-6
Operating Temperature Range [℃] Room temperature to 80
Gas Compatibility Inert Gas Reactive Gas Inert Gas Reactive Gas
Housing Material SUS303 SUS304 SUS303 SUS304
Shaft Material SUS630 SUS630 SUS630 SUS630
O-ring Material Viton O-ring

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

Through Hole FerroSeals

Model Number Standard STL012
NN		 STF012
NN		 STL020
NN		 STF020
NN
Water Cooling STL012
WN		 STF012
WN		 STL020
WN		 STF020
WN
Shaft Diameter 012 020
A 12 ＋0 20 ＋0
－0.027 －0.033
B 179 211
C 109 121
D M25× 1.5 M30 × 1.5
E W4×D2.5×L20 W6×D3.5×L25
F 40 55
J 48 63
K 74 82
L 36.5 40.5
Housing End O-ring G35 G50
Nut Width Across Flats 38 46
Nut Thickness 8 8
Washer Outer Diameter 41 49
Washer Thickness 3 3
Water Cooling Hole Dimensions PT1/8 PT1/8
Allowable Transmission Torque [N-m] 12 12 60 60
Reference Ultimate Pressure [Pa] 10-6
Operating Temperature Range [℃] Room temperature to 80
Gas Compatibility Inert Gas Reactive Gas Inert Gas Reactive Gas
Housing Material SUS303 SUS304 SUS303 SUS304
Shaft Material SUS630 SUS630 SUS630 SUS630
O-ring Material Viton O-ring

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