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Feedthroughs

Metric RMS models

Magnetic fluid (ferrofluid) fills a small annular gap between a rotating shaft and a stationary magnetic pole piece. The gap is part of a high-energy magnetic circuit which includes the shaft and pole piece. The very large magnetic flux in the gap exerts a force on the fluid, holding it in place against pressure difference from atmosphere to vacuum, yielding a dynamic rotary seal in which there is no solid friction. Therefore, very long operating lifetimes are achieved.

Because the magnetic fluid has very low vapor pressure, it remains permanently in place for the entire lifetime of the seal, and does not contaminate the system. Some applications have special requirements (high temperature, highly reactive gases) which can be satisfied by selection of the optimum fluid from our family of fluid materials.

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RMS-F1-HS-W series

RMS (metric) series: Water-cooled hollow shaft rotary feedthroughs

Magnetic fluid sealing for high vacuum and other critical process applications

Ferrofluidics direct replacements

RMS-F1-HS-W series: Metric hollow shaft, flange mount, water cooled
RMS-F1-HS-W-C series: Metric hollow shaft, flange mount, water cooled with shaft clamp

RMS-F1-HS-W series: Metric hollow shaft, flange mount, water cooled

Bearing location

Shape of end shaft

If shaft clamping is required, add "-C" to the end of the model no.
Fittings for connecting cooling water are provided.

Model		F1-HS- 10W		F1-HS- 12W		F1-HS- 20W		F1-HS- 24W		F1-HS- 26W
Product no.		10C-9020- E010		10C-9020- E020		10C-9020- E030		10C-9020- E040		10C-9020- E050
A (mm)		10	+0.015 0	12	+0.018 0	20	+0.021 0	24	+0.021 0	26	+0.021 0
B (mm)		—		—		64	-0.010 -0.029	70	-0.010 -0.029	70	-0.010 -0.029
C (mm)		70		70		105		105		116
D (mm)		—		—		10		10		10
E (mm)		8		8		10		10		10
F (mm)		84		84		116		120		130
G (mm)		52		52		64		76		76
H		6- φ 6.5 PD70		6- φ 6.5 PD70		4- φ 9 PD96		4- φ 9 PD96		4- φ 9 PD110
J (mm)		17		17		28		30		32
K (mm)		7		7		11		10		10
L (mm)		2.1		2.1		2.1		2.7		2.7
M (mm)		19		19		18		16		20
N (mm)		—		—		—		38		40
P (mm)		50		50		70		75		85
Q (mm)		2.7		2.7		4.1		4.1		4.1
V		2-Rc1/8		2-Rc1/8		2-Rc1/8		4-Rc1/8		4-Rc1/8
X/Y (mm)		9 / 51.5		9 / 51.5		13 / 79		10.5 / 84		14.5 / 90
Flange O-ring		S50		S50		G70		G75		G85
Shaft O-ring (2 pcs)		S10		S12		S20		S24		S26
Bearing type		16003		16003		60/28		6006		60/32
Max speed (rpm)		6000		6000		6000		4000		4000

Product no.		10C-9020- F010		10C-9020- F020		10C-9020- F030		10C-9020- F040		10C-9020- F050
C series	a (mm)	36		38		48		52		52
	b (mm)	12		12		15		15		15

Model		F1-HS- 32W		F1-HS- 38W		F1-HS- 40W		F1-HS- 50W		F1-HS- 75W
Product no.		10C-9020- E060		10C-9020- E070		10C-9020- E080		10C-9020- E090		10C-9020- E100
A (mm)		32	+0.025 0	38	+0.025 0	40	+0.025 0	50	+0.025 0	75	+0.030 0
B (mm)		73	-0.010 -0.029	—		—		105	-0.012 -0.034	130	-0.014 -0.039
C (mm)		116		102		102		110		110
D (mm)		10		—		—		10		10
E (mm)		10		10		10		10		12
F (mm)		130		135		135		155		178
G (mm)		80		90		90		105		130
H		6- φ 9 PD110		6- φ 8.5 PD114		6- φ 8.5 PD114		6- φ 9 PD135		6- φ 9 PD160
J (mm)		40		50		50		60		90
K (mm)		10		10		10		14		10
L (mm)		2.7		2.7		2.7		2.7		2.7
M (mm)		20		23		23		18		17
N (mm)		38		37		37		38		36
P (mm)		85		80		80		110		135
Q (mm)		4.1		4.1		4.1		4.1		4.1
V		4-Rc1/8		4-Rc1/8		4-Rc1/8		4-Rc1/8		4-Rc1/8
X/Y (mm)		12 / 92		13 / 77		13 / 77		15.5 / 83		15.5 / 83
Flange O-ring		G85		G80		G80		G110		G135
Shaft O-ring (2 pcs)		S32		S40		S40		S50		S75
Bearing type		6908		6910		6910		6912		6818
Max speed (rpm)		3600		3000		3000		2500		1800

Product no.		10C-9020- F060		10C-9020- F070		10C-9020- F080		10C-9020- F090		10C-9020- F100
C series	a (mm)	58		66		68		86		118
	b (mm)	15		15		15		18		21

To select a feedthrough for a new application, locate the table for the appropriate shaft mounting style (through-hole, flanged, or bore mount). Dimensional and performance information is tabulated and keyed to an outline drawing.

To identify the Magnaseal direct replacement for a Ferrofluidics Corp. product, locate the FFC Part Number/Model Number at the bottom of each column of tabulated data. For FFC products not listed, or for application engineering assistance or information beyond the scope of the tabulated data, please contact Rigaku Vacuum Products.

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