About 8,000 types of vacuum components in stock at all times.Business Hours： 9:00-18:00, excluding weekends and holidays

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Shipping accepted on the day on orders until 17:00
(Hours 9:00 to 18:00 except Saturdays, Sundays, and holidays)
  1. Cosmotec for Vacuum Components
  2. Feedthrough
  3. High-voltage
  4. High-voltage water-cooled terminal
  5. Feedthrough Water cooling terminal

Feedthrough Water cooling terminal

Feedthrough Water cooling terminal

▼Water-cooled terminals
Hermetic feedthroughs with hollow electrodes.
Power can be introduced while the electrode is being cooled.
Sometimes used for high-frequency applications.

▼The following types are standardized
Electrode material: Oxygen-free copper, SUS
Withstand voltage: 5 kV, 8 kV
Number of electrodes: 1, 2, 3, 4
Flange: NW/KF, ICF, JIS-VF, JIS-VG

▼Custom-made products are also available.
We can promptly respond to custom-ordered products, such as terminal arrangement changes, quantity changes, flange standard/size changes, welding of multiple products, and changes in the dimensions of each part, etc. Please contact us by clicking the "Inquiry" button on the right side of this page.

For precision cleaning requests, please click here.

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Basic Information
type Water-cooled terminal
Flange material SUS 304
Insulator Alumina ceramic
Maximum temperature 450℃
The lowest temperature -196℃
Leak rate <1.3x10-10Pa･㎥/sec
Insulation resistance value 10⁹ ohm
Inquiry for this subcategory

We have 61 type candidate

※ Please click on the product code or model for more information.

front.product.product_code
Model
 NW/KF ICF VF VG Tube / Fitting Size electrode A B C D P.C.D The number of electrode Withstand voltage: DC Electric current / 1 pc. sleeve
Stock & Delivery
front.product.price
front.product.tax_included2
60089
60089
- - - - 1/4 inch Oxygen-free copper - - - - - - 8 kV - SUS04
stock
1 1-2 Business Days
9,900JPY (with tax 10,890JPY)
60108
60108
- - - - 3/8 inch Oxygen-free copper - - - - - - 8 kV - SUS04
stock
2 1-2 Business Days
12,000JPY (with tax 13,200JPY)
60102
60102
- - - - 1/2 inch Oxygen-free copper - - - - - - 8 kV - SUS04
stock
2 1-2 Business Days
32,800JPY (with tax 36,080JPY)
21179
N25KLF1CU1/4
16 - - - 1/4 inch Oxygen-free copper 30 4.8 94.6 89.5 - 1 5 kV 33 A Kovar ®
stock
4 1-2 Business Days
When out of stock
21 Business Days
55,200JPY (with tax 60,720JPY)
21180
N35KLF1CU1/4
25 - - - 1/4 inch Oxygen-free copper 40 6 102.1 82 - 1 5 kV 33 A Kovar ®
When out of stock
30 Business Days
55,400JPY (with tax 60,940JPY)
21181
N45KLF1CU1/4
40 - - - 1/4 inch Oxygen-free copper 55 6 102.1 82 - 1 5 kV 33 A Kovar ®
When out of stock
30 Business Days
55,700JPY (with tax 61,270JPY)
21182
N45KLF2CU1/4
40 - - - 1/4 inch Oxygen-free copper 55 6 102.1 82 20 2 5 kV 33 A Kovar ®
When out of stock
30 Business Days
108,700JPY (with tax 119,570JPY)
21183
N45KLF3CU1/4
40 - - - 1/4 inch Oxygen-free copper 55 6 102.1 82 21 3 5 kV 33 A Kovar ®
When out of stock
30 Business Days
155,900JPY (with tax 171,490JPY)
41119
N55KLF1CU1/4
50 - - - 1/4 inch Oxygen-free copper 75 6 102.1 82 - 1 5 kV 33 A Kovar ®
When out of stock
30 Business Days
56,200JPY (with tax 61,820JPY)
41120
N55KLF2CU1/4
50 - - - 1/4 inch Oxygen-free copper 75 6 102.1 82 20 2 5 kV 33 A Kovar ®
When out of stock
30 Business Days
109,200JPY (with tax 120,120JPY)
41121
N55KLF3CU1/4
50 - - - 1/4 inch Oxygen-free copper 75 6 102.1 82 21 3 5 kV 33 A Kovar ®
When out of stock
30 Business Days
156,400JPY (with tax 172,040JPY)
21184
C15KLF1CU1/4
- 34 - - 1/4 inch Oxygen-free copper 34 7.5 91.4 92.7 - 1 5 kV 33 A Kovar ®
stock
4 1-2 Business Days
When out of stock
21 Business Days
56,200JPY (with tax 61,820JPY)
21185
C25KLF1CU1/4
- 70 - - 1/4 inch Oxygen-free copper 70 12.7 102.6 81.5 - 1 5 kV 33 A Kovar ®
stock
1 1-2 Business Days
When out of stock
30 Business Days
57,400JPY (with tax 63,140JPY)
21186
C25KLF2CU1/4
- 70 - - 1/4 inch Oxygen-free copper 70 12.7 102.6 81.5 20 2 5 kV 33 A Kovar ®
stock
1 1-2 Business Days
When out of stock
30 Business Days
110,400JPY (with tax 121,440JPY)
21187
C25KLF3CU1/4
- 70 - - 1/4 inch Oxygen-free copper 70 12.7 102.6 81.5 21 3 5 kV 33 A Kovar ®
When out of stock
30 Business Days
157,600JPY (with tax 173,360JPY)
21188
F25KLF1CU1/4
- - 20 - 1/4 inch Oxygen-free copper 80 8 104.6 79.5 - 1 5 kV 33 A Kovar ®
When out of stock
30 Business Days
57,200JPY (with tax 62,920JPY)
21189
F25KLF2CU1/4
- - 20 - 1/4 inch Oxygen-free copper 80 8 104.6 79.5 20 2 5 kV 33 A Kovar ®
When out of stock
30 Business Days
110,200JPY (with tax 121,220JPY)
21190
F25KLF3CU1/4
- - 20 - 1/4 inch Oxygen-free copper 80 8 104.6 79.5 21 3 5 kV 33 A Kovar ®
When out of stock
30 Business Days
157,400JPY (with tax 173,140JPY)
21191
F25KLF4CU1/4
- - 20 - 1/4 inch Oxygen-free copper 80 8 104.6 79.5 26 4 5 kV 33 A Kovar ®
When out of stock
30 Business Days
202,200JPY (with tax 222,420JPY)
21192
F35KLF1CU1/4
- - 25 - 1/4 inch Oxygen-free copper 90 8 104.6 79.5 - 1 5 kV 33 A Kovar ®
When out of stock
30 Business Days
58,000JPY (with tax 63,800JPY)
21193
F35KLF2CU1/4
- - 25 - 1/4 inch Oxygen-free copper 90 8 104.6 79.5 20 2 5 kV 33 A Kovar ®
When out of stock
30 Business Days
111,000JPY (with tax 122,100JPY)
21194
F35KLF3CU1/4
- - 25 - 1/4 inch Oxygen-free copper 90 8 104.6 79.5 21 3 5 kV 33 A Kovar ®
When out of stock
30 Business Days
158,200JPY (with tax 174,020JPY)
21195
F35KLF4CU1/4
- - 25 - 1/4 inch Oxygen-free copper 90 8 104.6 79.5 26 4 5 kV 33 A Kovar ®
When out of stock
30 Business Days
203,000JPY (with tax 223,300JPY)
21196
G25KLF1CU1/4
- - - 20 1/4 inch Oxygen-free copper 80 8 104.6 79.5 - 1 5 kV 33 A Kovar ®
When out of stock
30 Business Days
57,200JPY (with tax 62,920JPY)
21197
G25KLF2CU1/4
- - - 20 1/4 inch Oxygen-free copper 80 8 104.6 79.5 20 2 5 kV 33 A Kovar ®
When out of stock
30 Business Days
110,200JPY (with tax 121,220JPY)
21198
G25KLF3CU1/4
- - - 20 1/4 inch Oxygen-free copper 80 8 104.6 79.5 21 3 5 kV 33 A Kovar ®
When out of stock
30 Business Days
157,400JPY (with tax 173,140JPY)
21199
G25KLF4CU1/4
- - - 20 1/4 inch Oxygen-free copper 80 8 104.6 79.5 26 4 5 kV 33 A Kovar ®
When out of stock
30 Business Days
202,200JPY (with tax 222,420JPY)
21200
G35KLF1CU1/4
- - - 25 1/4 inch Oxygen-free copper 90 8 104.6 79.5 - 1 5 kV 33 A Kovar ®
When out of stock
30 Business Days
58,000JPY (with tax 63,800JPY)
21201
G35KLF2CU1/4
- - - 25 1/4 inch Oxygen-free copper 90 8 104.6 79.5 20 2 5 kV 33 A Kovar ®
When out of stock
30 Business Days
111,000JPY (with tax 122,100JPY)
21202
G35KLF3CU1/4
- - - 25 1/4 inch Oxygen-free copper 90 8 104.6 79.5 21 3 5 kV 33 A Kovar ®
When out of stock
30 Business Days
158,200JPY (with tax 174,020JPY)
21203
G35KLF4CU1/4
- - - 25 1/4 inch Oxygen-free copper 90 8 104.6 79.5 26 4 5 kV 33 A Kovar ®
When out of stock
30 Business Days
203,000JPY (with tax 223,300JPY)
13118
C28KLF1CU3/4WT
- 70 - - - Oxygen-free copper 70 12.7 - - - 1 8 kV 1000 A Kovar ®
stock
1 1-2 Business Days
When out of stock
Answered later
344,600JPY (with tax 379,060JPY)
60039
60039
- - - - 1/4 inch SUS 304 - - - - - 1 5 kV - SUS04
stock
1 1-2 Business Days
9,700JPY (with tax 10,670JPY)
21204
N25KLF1SUS1/4
16 - - - 1/4 inch SUS 304 30 4.8 94.6 89.5 - 1 5 kV - Kovar ®
When out of stock
21 Business Days
55,500JPY (with tax 61,050JPY)
21205
N35KLF1SUS1/4
25 - - - 1/4 inch SUS 304 40 6 102.1 82 - 1 5 kV - Kovar ®
When out of stock
30 Business Days
55,700JPY (with tax 61,270JPY)
21206
N45KLF1SUS1/4
40 - - - 1/4 inch SUS 304 55 6 102.1 82 - 1 5 kV - Kovar ®
When out of stock
30 Business Days
56,000JPY (with tax 61,600JPY)
21207
N45KLF2SUS1/4
40 - - - 1/4 inch SUS 304 55 6 102.1 82 20 2 5 kV - Kovar ®
When out of stock
30 Business Days
109,200JPY (with tax 120,120JPY)
21208
N45KLF3SUS1/4
40 - - - 1/4 inch SUS 304 55 6 102.1 82 21 3 5 kV - Kovar ®
When out of stock
30 Business Days
156,700JPY (with tax 172,370JPY)
41122
N55KLF1SUS1/4
50 - - - 1/4 inch SUS 304 75 6 102.1 82 - 1 5 kV - Kovar ®
When out of stock
30 Business Days
56,500JPY (with tax 62,150JPY)
41123
N55KLF2SUS1/4
50 - - - 1/4 inch SUS 304 75 6 102.1 82 20 2 5 kV - Kovar ®
When out of stock
30 Business Days
109,700JPY (with tax 120,670JPY)
41124
N55KLF3SUS1/4
50 - - - 1/4 inch SUS 304 75 6 102.1 82 21 3 5 kV - Kovar ®
When out of stock
30 Business Days
157,200JPY (with tax 172,920JPY)
21209
C15KLF1SUS1/4
- 34 - - 1/4 inch SUS 304 34 7.5 91.4 92.7 - 1 5 kV - Kovar ®
stock
3 1-2 Business Days
When out of stock
21 Business Days
56,500JPY (with tax 62,150JPY)
21210
C25KLF1SUS1/4
- 70 - - 1/4 inch SUS 304 70 12.7 102.6 81.5 - 1 5 kV - Kovar ®
stock
2 1-2 Business Days
When out of stock
30 Business Days
57,700JPY (with tax 63,470JPY)
21211
C25KLF2SUS1/4
- 70 - - 1/4 inch SUS 304 70 12.7 102.6 81.5 20 2 5 kV - Kovar ®
stock
2 1-2 Business Days
When out of stock
30 Business Days
110,900JPY (with tax 121,990JPY)
21212
C25KLF3SUS1/4
- 70 - - 1/4 inch SUS 304 70 12.7 102.6 81.5 21 3 5 kV - Kovar ®
When out of stock
30 Business Days
158,400JPY (with tax 174,240JPY)
21213
F25KLF1SUS1/4
- - 20 - 1/4 inch SUS 304 80 8 104.6 79.5 - 1 5 kV - Kovar ®
When out of stock
30 Business Days
57,500JPY (with tax 63,250JPY)
21214
F25KLF2SUS1/4
- - 20 - 1/4 inch SUS 304 80 8 104.6 79.5 20 2 5 kV - Kovar ®
When out of stock
30 Business Days
110,700JPY (with tax 121,770JPY)
21215
F25KLF3SUS1/4
- - 20 - 1/4 inch SUS 304 80 8 104.6 79.5 21 3 5 kV - Kovar ®
When out of stock
30 Business Days
158,200JPY (with tax 174,020JPY)
21216
F25KLF4SUS1/4
- - 20 - 1/4 inch SUS 304 80 8 104.6 79.5 26 4 5 kV - Kovar ®
When out of stock
30 Business Days
203,200JPY (with tax 223,520JPY)
21217
F35KLF1SUS1/4
- - 25 - 1/4 inch SUS 304 90 8 104.6 79.5 - 1 5 kV - Kovar ®
When out of stock
30 Business Days
58,300JPY (with tax 64,130JPY)
21218
F35KLF2SUS1/4
- - 25 - 1/4 inch SUS 304 90 8 104.6 79.5 20 2 5 kV - Kovar ®
When out of stock
30 Business Days
111,500JPY (with tax 122,650JPY)
21219
F35KLF3SUS1/4
- - 25 - 1/4 inch SUS 304 90 8 104.6 79.5 21 3 5 kV - Kovar ®
When out of stock
30 Business Days
159,000JPY (with tax 174,900JPY)
21220
F35KLF4SUS1/4
- - 25 - 1/4 inch SUS 304 90 8 104.6 79.5 26 4 5 kV - Kovar ®
When out of stock
30 Business Days
204,000JPY (with tax 224,400JPY)
21221
G25KLF1SUS1/4
- - - 20 1/4 inch SUS 304 80 8 104.6 79.5 - 1 5 kV - Kovar ®
When out of stock
30 Business Days
57,500JPY (with tax 63,250JPY)
21222
G25KLF2SUS1/4
- - - 20 1/4 inch SUS 304 80 8 104.6 79.5 20 2 5 kV - Kovar ®
When out of stock
30 Business Days
110,700JPY (with tax 121,770JPY)
21223
G25KLF3SUS1/4
- - - 20 1/4 inch SUS 304 80 8 104.6 79.5 21 3 5 kV - Kovar ®
When out of stock
30 Business Days
158,200JPY (with tax 174,020JPY)
21224
G25KLF4SUS1/4
- - - 20 1/4 inch SUS 304 80 8 104.6 79.5 26 4 5 kV - Kovar ®
When out of stock
30 Business Days
203,200JPY (with tax 223,520JPY)
21225
G35KLF1SUS1/4
- - - 25 1/4 inch SUS 304 90 8 104.6 79.5 - 1 5 kV - Kovar ®
When out of stock
30 Business Days
58,300JPY (with tax 64,130JPY)
21226
G35KLF2SUS1/4
- - - 25 1/4 inch SUS 304 90 8 104.6 79.5 20 2 5 kV - Kovar ®
When out of stock
30 Business Days
111,500JPY (with tax 122,650JPY)
21227
G35KLF3SUS1/4
- - - 25 1/4 inch SUS 304 90 8 104.6 79.5 21 3 5 kV - Kovar ®
When out of stock
30 Business Days
159,000JPY (with tax 174,900JPY)
21228
G35KLF4SUS1/4
- - - 25 1/4 inch SUS 304 90 8 104.6 79.5 26 4 5 kV - Kovar ®
When out of stock
30 Business Days
204,000JPY (with tax 224,400JPY)
NW/KF ICF VF VG Tube / Fitting Size electrode A B C D P.C.D The number of electrode Withstand voltage: DC Electric current / 1 pc. sleeve
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Shipping accepted on the day on orders until 17:00 Hours 9:00 to 18:00 except Saturdays, Sundays, and holidays
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