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CF flange

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Product Overview

CF flange

CF knife edge flanges are widely used in ultra-high vacuum systems by deforming oxygen-free copper gaskets (or other soft metals) by squeezing them with the knife edge. Due to all-metal seal, CF Flange can withstand high temperature baking, and can achieve extremely high vacuum levels, ~10E-12 mbar, with proper operation.

CF welding flange includes non-rotatable flange(fixed flange) and rotatable flange. The non-rotatable flange is an integrated structure, while the rotatable flange consists of two parts, an inner weld ring and outer bolt ring, the outer bolt ring is bolted to the flange and the inner weld ring is sealed by the knife edge .

There is CF blind flange used to insulate the neighbor systems, which is easily disassembled with bolt fixing.

Specification

A		B		孔径	Ref	D		P.C.D		Part Number	NP	数量	内六角螺栓	数量
mm	inch	mm	inch	孔径	Ref	mm	inch	mm	inch	Part Number	NP	数量	内六角螺栓	数量
34	1.33	7.0	0.28	4.4	6	19.1	0.75	27.0	1.10	CF16F	NP16	2	M4*20	6
70	2.75	12.5	0.49	6.8	6	42.1	1.66	58.7	2.40	CF40F	NP40	2	M6*35	6
114	4.50	17.0	0.67	8.4	8	70.2	2.76	92.2	3.76	CF63F	NP63	2	M8*45	8
152	6.00	19.5	0.77	8.4	16	101.8	4.01	130.3	5.32	CF100F	NP100	4	M8*50	16
203	8.00	21.0	0.83	8.4	20	152.7	6.01	181.0	7.39	CF150F	NP150	5	M8*55	20
254	10.00	24.0	1.00	8.4	24	203.3	8.01	231.8	9.46	CF200F	NP200	6	M8*60	24
305	12.00	24.0	1.00	8.4	32	254.1	10.01	284.0	11.59	CF250F	—	—	—	—

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