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Vacuum breaks

Fig.1

Fig.2

Fig.3

Technical information
Voltage (kV DC)	Fig.	Flange	A	B	C	P/number

5	1	CF16	74	25	19.05	1-BE-0885
15	1	CF16	92	25	19.05	1-BE-0857
30	1	CF16	117	25	19.05	1-BE-0880
5	1	CF40	67	42	31.75	1-BE-0858
30	1	CF40	107	42	31.75	1-BE-0859
60	1	CF40	160	42	31.75	1-BE-0886

5	2	KF16	74	25	19.05	1-BE-0887
15	2	KF16	92	25	19.05	1-BE-0860
30	2	KF16	117	25	19.05	1-BE-0881
5	2	KF40	67	42	31.75	1-BE-0861
30	2	KF40	107	42	31.75	1-BE-0862
60	2	KF40	160	42	31.75	1-BE-0888

10	3	Weld	39	12.90	7.87	1-BE-0889
20	3	Weld	65	30.48	22.86	1-BE-0890
30	3	Weld	85	60.32	50.80	1-BE-0891
40	3	Weld	111	71.12	60.96	1-BE-0892

10	1	CF16	47	16.51	7.87	1-BE-0893
20	1	CF40	76	35.56	22.86	1-BE-0867
30	1	CF63	102	63.50	50.80	1-BE-0868
40	1	CF100	122	76.20	60.96	1-BE-0882

10	3	Weld	92	60.19	58.67	1-BE-0875
10	3	Weld	91	96.77	95.25	1-BE-0876
20	3	Weld	114	154.43	152.40	1-BE-0877
20	3	Weld	118	198.88	196.85	1-BE-0878

10	1	CF63	114	82.04	58.67	1-BE-0863
10	1	CF100	117	107.95	95.25	1-BE-0864
20	1	CF160	140	175.76	152.40	1-BE-0865
20	1	CF200	146	223.52	196.85	1-BE-0866

Specifications
Voltage:	up to 60kV DC
Material:
Flanges:	Stainless steel
Insulation:	Alumina ceramic
Vacuum range (UHV/HV):	1x10-10 mbar / 1x10-8 mbar
Temperature range:
CF & weldable FT	-200 to 450°C
Iso-K mounted FT	-20 to 150°C

Various transitions in vacuum systems require voltage isolation. Breaks and envelopes are all suitable for ultra high vacuum environments. Both are constructed using a high purity alumina insulator sealed into stainless steel or Kovar® sleeve adapters.

Vacuum breaks are available with nominal tube diameters up to 203.2 mm, and voltage ratings up to 90,000 volts DC. Standard designs include CF flanged, KF flanged and weldable.

Custom design available upon request. Please contact our sales office.