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OFHC Copper Gasket for Ultra High Vacuum

OFHC Copper Gasket for Ultra High Vacuum

OFHC copper gasket also called oxygen-free copper gasket, is a very good seal for conflat flange in high vacuum situation. Each one is single packed.

Content

Style OFC10 - OFHC Copper Gasket for Ultra High Vacuum
Each of our OFHC Copper Gasket for Ultra High Vacuum for CF Flanges are actually electronically highly processed within a carefully governed, oxygen-free surroundings. They are really airtight to gases and able to stand up to moderately higher temperature ranges. OFHC copper gaskets are actually cleansed, insured in order to be abrasion free, separately sealed, and ready for use. Specific packaging defends flange seal surfaces.

And we produce a total array of OFHC Copper Gasket for Ultra High Vacuum, annealed copper, lightweight aluminum as well as gold and silver coated, and also elastomeric fluorocarbon gaskets for CF flanges. The CF flange (Conflat Flange) is probably the most widely used for high vacuum as well as UHV applications. Lots of gauges, instruments and also equipment are actually available with this flange system.


China OFHC Copper Gasket


What is OFHC Gasket (Oxygen-free High Conductivity Copper)?

Oxygen-free copper (OFC) or oxygen-free high thermal conductivity (OFHC) copper is actually a small group of wrought high conductivity copper alloys that were electronically highly refined to reduce the level of oxygen to 0.001% or beneath.

Oxygen-free high thermal conductivity (OFHC) copper is frequently used in cryogenics. OFHC copper is generated by the immediate conversion process of picked refined cathodes and castings under carefully controlled conditions to prevent toxic contamination of the 100 % pure oxygen-free steel during handling. The method of creating OFHC copper provides an extra high level of metal with a copper content of 99.99%. With modest a content material of extraneous components, the inherent attributes of elemental copper are brought forth to a high degree. These characteristics are great ductility, higher electric powered and also thermal conductivity, high impact strength, great creep amount of resistance, ease of welding, as well as minimal relative volatility under high vacuum.

For manufacturing applications, oxygen-free copper is treasured more with regard to its chemical wholesomeness than its electric powered conductivity. OFHC grade copper is used in plasma deposition processes, such as make of semiconductors and also superconductor components, plus great vacuum systems for example particle accelerators. In one of these purposes, the release of oxygen or other harmful particles can cause unwelcome chemical type allergic reactions with other components in the regional environment.

All CF Flange Gasket Materials:

OFHC Copper

The traditional gaskets for stainless steel CF flanges are actually punched from 2 mm thickness, oxygen-free (OFHC) copper sheet. The gaskets are then chemically cleaned and processed to lessen scuff marks and burrs.
Silver or Gold plated OFHC Copper - For systems necessitating consistent high-temperature bakeouts, silver or gold plated copper gaskets are advised.

Aluminum

Aluminum CF flanges must utilize aluminum gaskets, hardly ever copper. Nevertheless, aluminum gaskets works extremely well on stainless steel CF flanges if baking is restricted to 200° C.

Nickel

Nickel gaskets are typically utilised in applications having a corrosive atmosphere.

Note

Our proprietary deburring and improving functions, constructed designed for vacuum programs, make us one of the greatest copper gasket suppliers in the vacuum industry. All OFHC Copper Gasket for Ultra High Vacuum, Silver-Plated copper gasket and annealed gaskets are individually packed.

OFHC Copper Gasket sizes

Gasket sizes Gasket ID (mm) Gasket OD (mm) Thickness (mm)
CF16 16.2 21.3 2/2.2
CF25 25.6 35 2/2.2
CF35 36.8 48.1 2/2.2
CF50 52 61.6 2/2.2
CF63 63.6 82.4 2/2.2
CF80 82 99 2/2.2
CF100 102 120.5 2/2.2
CF150 152.5 >171.3 2/2.2
CF200 203 222.1 2/2.2
CF250 254 273.1 2/2.2


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