Ferrofluidic Seals
(FerroSeals)

Magnetic Fluid Seal

Ferrofluidic Seals (FerroSeals)

Solid Shaft FerroSeals

Heavy Duty FerroSeals

Model Number	SFL020 WH		SFL025 WH		SFL030 WH		SFL040 WH		SFL050 WH
Shaft Diameter	020		025		030		040		050
A	20	＋0	25	＋0	30	＋0	40	＋0	50	＋0
A	20	－0.033	25	－0.033	30	－0.033	40	－0.039	50	－0.039
B	255		288		321		357		406
C	135		138		141		157		166
D	85		95		105		125		140
E	W6×D3.5 ×L50		W7×D4 ×L63		W10×D5 ×L80		W12×D5 ×L90		W14×D5.5 ×L110
F	60		75		90		100		120
J	145		160		160		185		210
K	18		18		20		22		24
L	48		50		50		55.5		59.5
M	29		29		29		33		33
N	PD120/ 6-φ12		PD135/ 6-φ12		PD135/ 6-φ12		PD160/ 8-φ12		PD185/ 8-φ12
Housing End O-ring	P90		P100		P105		P125		P150
Water Cooling Hole Dimensions	PT1/8		PT1/8		PT1/8		PT1/8		PT1/8
Allowable Transmission Torque [N-m]	60		105		167		345		604
Reference Ultimate Pressure [Pa]	10^-6
Operating Temperature Range [℃]	Room temperature to 80
Gas Compatibility	Inert Gas
Housing Material	SUS303
Shaft Material	SUS630
O-ring Material	Viton O-ring

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