KSM

Ferrofluidic Seal

Ferrofluidic Seal

Using magnetic fluid to generatefluid O-ring that seal shaft completely by using magnetic field.
The device that seal a rotating shaft and transmit rotational motion to vacuum chamber.
Magnetic fluid seal is used in various industries (equipment), such as display manufacturing equipment, semiconductor manufacturing equipment and solar industry equipment.

More than 30years of experience & expertise
Engineering
capability to review
various applications.
Capability of order in
short lead time by managing and planning

SML Series

SML Series

SML Series

Where to Buy Where to Buy

TYPE Miniature Feedthroughs

SHAFT DIAMETER

Shaft Diameter	004	005	006
A	4⁺⁰_-0.018	5⁺⁰_-0.018	6⁺⁰_-0.018
E	^{0.5 Dp}_{10 Lg.}	^{0.5 Dp}_{10 Lg.}	^{0.5 Dp}_{10 Lg.}

MODEL NUMBER

Model Number	SML 004 NN	SML 005 NN	SML 006 NN
Torque capacity[㎏ · ㎝]	5.8	6.4	6.4
Degree of vacuum pressure ㎩.[Torr]	10^-6[10^-8]
Leakage rate(He) [㎩/㎥/sec]	<10^-12
Leakage rate(He) [Torr · ℓ /sec]	<10^-11
Pressure capacity (Static)[㎏/㎠]	2.0
Temperature range[℃]	room temperature~80
Gas compatibility	Inert Gas**
Bearign Type*	686	686	686
Bearing material	SUS440C
Housing material	SUS303
Shaft material	SUS630

SSL Series

SSL Series

SSL Series

Where to Buy Where to Buy

TYPE Miniature Feedthroughs

SHAFT DIAMETER

Shaft Diameter	004	005	006
A	4⁺⁰_-0.018	5⁺⁰_-0.018	6⁺⁰_-0.018
B	76.5	76.5	76.5
E	^{0.5 Dp}_{10 Lg.}	^{0.5 Dp}_{10 Lg.}	^{0.5 Dp}_{10 Lg.}
F	15	15	15

MODEL NUMBER

Model Number	SSL 004 NN	SSL 005 NN	SSL 006 NN
Torque capacity[㎏ · ㎝]	5.8	6.4	6.4
Degree of vacuum pressure ㎩.[Torr]	10^-6[10^-8]
Leakage rate(He) [㎩/㎥/sec]	<10^-12
Leakage rate(He) [Torr · ℓ /sec]	<10^-11
Pressure capacity (Static)[㎏/㎠]	2.0
Temperature range[℃]	room temperature~80
Gas compatibility	Inert Gas**
Bearign Type*	686	686	686
Bearing material	SUS440C
Housing material	SUS303
Shaft material	SUS630

SNL/SNF Series

SNL/SNF Series

SNL/SNF Series

Where to Buy Where to Buy

TYPE Through Hole Mount Feedthroughs

SHAFT DIAMETER

Shaft Diameter	006	010
A	6⁺⁰_-0.018	10⁺⁰_-0.022
B	97.5	119.5
C	57.5	69.5
D	M32 X 1.5	M38 X 1.5
E	0.5Dp. X 12Lg.(Flat)	3W X 1.8Dp. X 14Lg.
F	20	25
J	55	60
K	10	10
P	49	55

MODEL NUMBER

Model Number	SNL 006 NN	SNF 006 NN	SNL 010 NN	SNF 010 NN
Torque capacity[㎏ · ㎝]	9.7	9.7	62	62
Degree of vacuum pressure ㎩.[Torr]	10^-6[10^-8]
Leakage rate(He) [㎩/㎥/sec]	<10^-12
Leakage rate(He) [Torr · ℓ /sec]	<10^-11
Pressure capacity (Static)[㎏/㎠]	2.5	2.0	2.5	2.0
Temperature range[℃]	room temperature~80
Gas compatibility	Inert	Reactive	Inert	Reactive
Bearign Type*	627	627	6001	6001
Bearing material	SUS440C
Housing material	SUS303	SUS304	SUS303	SUS304
Shaft material	SUS630	SUS630	SUS630	SUS630

STL/STF Series

STL/STF Series

STL/STF Series

Where to Buy Where to Buy

TYPE Through Hole Mount Feedthroughs

SHAFT DIAMETER

Shaft Diameter	012	020
A	12⁺⁰_-0.027	20⁺⁰_-0.033
B	179	211
C	109	121
D	M25 X 1.5	M30 X 1.5
E	4W X 2.5Dp. X 20Lg.	3W X 1.8Dp. X 14Lg.
F	40	55
J	48	63
K	74	82
L	36.5	40.5

MODEL NUMBER

Model Number	STL 012 NN	STF 012 NN	STL 020 NN	STF 020 NN
Torque capacity[㎏ · ㎝]	124	124	615	615
Degree of vacuum pressure ㎩.[Torr]	10^-6[10^-8]
Leakage rate(He) [㎩/㎥/sec]	<10^-12
Leakage rate(He) [Torr · ℓ /sec]	<10^-11
Pressure capacity (Static)[㎏/㎠]	2.5	2.0	2.5	2.0
Temperature range[℃]	room temperature~80
Gas compatibility	Inert	Reactive	Inert	Reactive
Bearign Type*	6002	6002	6005	6005
Bearing material	SUS440C
Housing material	SUS303	SUS304	SUS303	SUS304
Shaft material	SUS630	SUS630	SUS630	SUS630

SFL/SFF Series

SFL/SFF Series

SFL/SFF Series

Where to Buy Where to Buy

TYPE Flange Mount Feedthroughs

SHAFT DIAMETER

Shaft Diameter	006	010	012	020
A	6⁺⁰_-0.018	10⁺⁰_-0.022	12⁺⁰_-0.027	20⁺⁰_-0.033
B	97.5	119.5	133.5	151.5
C	57.5	69.5	73.5	81.5
D	38	44	48	63
E	0.5Dp. X 12Lg.(Flat)	3W X 1.8Dp. X 14Lg.	4W X 2.5Dp. X 20Lg.	6W X 3.5Dp. X 25Lg.
F	20	25	30	35
J	80	80	90	105
K	10	10	10	10
L	18	24	27	31
N	PD60/4-∅10	PD60/4-∅10	PD70/4-∅10	PD85/4-∅10

MODEL NUMBER

Model Number	SFL 006 NN	SFF 006 NN	SFL 010 NN	SFF 010 NN	SFL 012 NN	SFF 012 NN	SFL 020 NN	SFF 020 NN
Torque capacity[㎏ · ㎝]	9.7	9.7	62	62	124	124	615	615
Degree of vacuum pressure ㎩.[Torr]	10^-6[10^-8]
Leakage rate(He) [㎩/㎥/sec]	<10^-12
Leakage rate(He) [Torr · ℓ /sec]	<10^-11
Pressure capacity (Static)[㎏/㎠]	2.5	2.0	2.5	2.0	2.5	2.0	2.5	2.0
Temperature range[℃]	room temperature~80
Gas compatibility	Inert	Reactive	Inert	Reactive	Inert	Reactive	Inert	Reactive
Bearign Type*	627	627	6001	6001	6002	6002	6005	6005
Bearing material	SUS440C
Housing material	SUS303	SUS304	SUS303	SUS304	SUS303	SUS304	SUS303	SUS304
Shaft material	SUS630	SUS630	SUS630	SUS630	SUS630	SUS630	SUS630	SUS630

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SFL Series

SFL Series

SFL Series

Where to Buy Where to Buy

TYPE Heavy Duty Feedthrouhs

SHAFT DIAMETER

Shaft Diameter	020	025	030	040	050
A	20⁺⁰_-0.033	25⁺⁰_-0.033	30⁺⁰_-0.033	40⁺⁰_-0.039	50⁺⁰_-0.039
B	255	288	321	357	406
C	135	138	141	157	166
D	85	95	105	125	140
E	6W X 3.5Dp. X 50Lg.	7W X 4Dp. X 63Lg.	10W X 5Dp. X 80Lg.	12W X 5Dp. X 90Lg.	14W X 5.5Dp. X 110Lg.
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-∅12	PD135/6-∅12	PD135/6-∅12	PD160/8-∅12	PD185/8-∅12

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MODEL NUMBER

Model Number		SFL 020 WH	SFL 025 WH	SFL 030 WH	SFL 040 WH	SFL 050 WH
Torque capacity[㎏ · ㎝]		606	1066	1706	3413	6106
Degree of vacuum pressure ㎩.[Torr]		10^-6[10^-8]
Leakage rate(He) [㎩/㎥/sec]		<10^-12
Leakage rate(He) [Torr · ℓ /sec]		<10^-11
Pressure capacity (Static)[㎏/㎠]		3.0
Temperature range[℃]		room temperature~80
Gas compatibility		Inert Gas
Bearign Type*	VAC	7206CDF	7207CDF	7208CDF	7210CDF	7212CDF
Bearign Type*	ATM	6205	6206	6207	6209	6211
Bearing material		SUJ2
Housing material		SUS303
Shaft material		SUS630

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HTL Series

HTL Series

HTL Series

Where to Buy Where to Buy

TYPE Cartridge Type Feedthroughs

SHAFT DIAMETER

Shaft Diameter	010	020	025	030	040	050	075
A	10^+0.03_+0.01	20^+0.04_+0.02	25^+0.04_+0.02	30^+0.04_+0.02	40^+0.05_+0.02	50^+0.05_+0.02	10^+0.06_+0.03
B	78	82.5	88	93	96	89	115
C	64	68.5	74	79	80	82	96
D	48⁺⁰_-0.02	58⁺⁰_-0.03	63⁺⁰_-0.03	73⁺⁰_-0.03	88⁺⁰_-0.04	98⁺⁰_-0.04	137⁺⁰_-0.04
E	34	44	49	54	69	79	109
F	10	10	10	10	12	12	15
∅G	10^-0.01_-0.03	20^-0.01_-0.03	25^-0.01_-0.03	30^-0.01_-0.03	40^-0.01_-0.03	50^-0.01_-0.03	75^-0.01_-0.04
∅H	48^+0.05_+0.03	58^+0.06_+0.03	63^+0.06_+0.03	73^+0.06_+0.03	88^+0.07_+0.04	98^+0.07_+0.04	137^+0.08_+0.05

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MODEL NUMBER

Model Number	HTL 010 CN	HTL 020 CN	HTL 025 CN	HTL 030 CN	HTL 040 CN	HTL 050 CN	HTL 075 CN
Torque capacity[㎏ · ㎝]	-
Degree of vacuum pressure ㎩.[Torr]	10^-6[10^-8]
Leakage rate(He) [㎩/㎥/sec]	<10^-12
Leakage rate(He) [Torr · ℓ /sec]	<10^-11
Pressure capacity (Static)[㎏/㎠]	3.0
Temperature range[℃]	room temperature~80
Gas compatibility	Inert Gas
Bearign Type*	16003	6906	6907	6908	6910	6912	6918
Bearing material	SUJ2
Housing material	SUS303
Shaft material	SUS630

HFL Series

HFL Series

HFL Series

Where to Buy Where to Buy

TYPE Flange Type Feedthroughs

SHAFT DIAMETER

Shaft Diameter	010	020	025	030	040	050	075
A	10^+0.03_+0.01	20^+0.04_+0.02	25^+0.04_+0.02	30^+0.04_+0.02	40^+0.05_+0.02	50^+0.05_+0.02	75^+0.06_+0.03
B	78	82.5	88	93	96	98	115
C	64	68.5	74	79	80	82	96
D	51	63	73	78	90	103	143
E	34	44	49	54	69	79	109
F	10	10	10	10	12	12	15
∅G	10^-0.01_-0.03	20^-0.01_-0.03	25^-0.01_-0.03	30^-0.01_-0.03	40^-0.01_-0.03	50^-0.01_-0.03	75^-0.01_-0.04
J	90	105	120	120	145	160	210
K	10	10	10	10	10	12	12
L	20	22.5	26	27	27	26.5	33
N	PD70/4-∅10	PD85/4-∅10	PD100/4-∅10	PD100/4-∅10	PD120/4-∅12	PD135/4-∅12	PD185/8-∅12

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MODEL NUMBER

Model Number	HFL 010 CN	HFL 020 CN	HFL 025 CN	HFL 030 CN	HFL 040 CN	HFL 050 CN	HFL 075 CN
Torque capacity[㎏ · ㎝]	-
Degree of vacuum pressure ㎩.[Torr]	10^-6[10^-8]
Leakage rate(He) [㎩/㎥/sec]	<10^-12
Leakage rate(He) [Torr · ℓ /sec]	<10^-11
Pressure capacity (Static)[㎏/㎠]	3.0
Temperature range[℃]	room temperature~80
Gas compatibility	Inert Gas
Bearign Type*	16003	6906	6907	6908	6910	6912	6918
Bearing material	SUJ2
Housing material	SUS303
Shaft material	SUS630

PD Series

PD Series

PD Series

Where to Buy Where to Buy

TYPE Cantileverd Seal Type Feedthroughs

SHAFT DIAMETER

Shaft Diameter	020	025	030	040	050
A	20^+0.04_+0.02	25^+0.04_+0.02	30^+0.04_+0.02	40^+0.05_+0.02	50^+0.05_+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_-0.03	25^-0.01_-0.03	30^-0.01_-0.03	40^-0.01_-0.03	50^-0.01_-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-∅10	PD120/4-∅12	PD120/4-∅12	PD135/4-∅12	PD160/8-∅12

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MODEL NUMBER

Model Number	PD 100 4-∅10	PD 120 4-∅10	PD 120 4-∅10	PD 135 4-∅10	PD 135 4-∅10
Torque capacity[㎏ · ㎝]	-
Degree of vacuum pressure ㎩.[Torr]	10^-6[10^-8]
Leakage rate(He) [㎩/㎥/sec]	<10^-12
Leakage rate(He) [Torr · ℓ /sec]	<10^-11
Pressure capacity (Static)[㎏/㎠]	3.0
Temperature range[℃]	room temperature~80
Gas compatibility	Reactive Gas
Bearign Type*	7206CDB	7207CDB	7208CDB	7210CDB	7212CDB
Bearing material	SUJ2
Housing material	SUS304(SUS316:OPTION)
Shaft material	SUS630

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