OFHC Copper Gaskets

To make a leak tight UHV seal between two conflat flanges, a gasket is required.

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Product Details


OFHC Copper Gaskets

Photo-HD-CopperGasket.jpg

We manufacture a full range of OFHC Copper, annealed copper, aluminum and gold and silver plated, and elastomeric fluorocarbon 

gaskets for CF flanges. Metal gaskets are impermeable to gases and withstand moderately high temperatures indefinitely. The 

CF flange is the most widely used for high vacuum and UHV applications. Many gauges, instruments, accessories 

and feedthroughs are available on this flange system.

CF Gasket Materials:

Copper -- The normal gaskets for stainless steel CF flanges are punched from 1/4 hard, high purity, oxygen-free (OFHC) copper 

stock. The gaskets are then chemically cleaned and processed to minimize scratches and burrs.

Silver & Gold plated Copper -- For systems requiring frequent high-temperature bakeouts, silver or gold plated copper gaskets are

recommended.

Aluminum (1100-H14) -- Aluminum CF flanges must use aluminum gaskets ??never copper. However, aluminum gaskets can be 

used on stainless steel CF flanges if baking is restricted to 200

Fluorocarbon -- Fluorocarbon gaskets, with a flat cross-section, are convenient and reusable in non-critical, non-UHV applications, 

particularly in applications requiring frequent reassembly.

Nickel -- Nickel gaskets are typically used in applications with a corrosive environment.

Note:

>  Our proprietary deburring and polishing processes, designed specifically for vacuum applications, make us one of the 

largest copper gasket producers in the vacuum industry.

>  For detailed information about the advantages of the various materials used to make gaskets, see the Technical Information 

Section regarding Gaskets.

All OFHC Copper, Silver-Plated and Annealed gaskets are individually packaged.


TypeABOxygen-free Copper
Order no.weight /kg
1621.316.273550.01
253525.673560.01
3548.136.873570.02
5061.65273580.02
6382.463.673590.05
80998273600.07
100120.510273610.07
150171.3152.573620.1
200222.120373630.14
250273.125473640.2


CF flange copper seal gasket


Standard size: CF16, CF25, CF35,CF50, CF63, CF80, CF100, CF150, CF200, CF250.

We also manufacture the non-standard copper gasket seals upon your requirement.

With professional ofhc copper gaskets factory, KAXITE is one of the leading China Copper Gaskets manufacturers and suppliers.

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