KF Centering Ring

Material: Aluminum or SS304
Size: DN10 - DN50

Product Detail

KF centering rings are a type of vacuum fitting used to connect and seal two KF flanges together in a vacuum system. They consist of a circular ring made of aluminum, stainless steel, or other materials, with a center hole that matches the diameter of the KF flanges being connected. The centering ring also has an O-ring groove that is designed to hold an O-ring, which is compressed when the flanges are tightened together, creating an airtight seal. Some KF centering rings also include an outer ring, which helps to distribute the clamping force evenly around the flange, preventing damage to the flanges or the O-ring.

Specification	Material	A	B	C	D
KF10CRA	Aluminum	10	12	3.9	8
KF16CRA		16	17	3.9	8
KF25CRA		25	26	3.9	8
KF40CRA		40	41	3.9	8
KF50CRA		50	52	3.9	8
KF10CRS	SS304	10	12	3.9	8
KF16CRS		16	17	3.9	8
KF25CRS		25	26	3.9	8
KF40CRS		40	41	3.9	8
KF50CRS		50	52	3.9	8

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