Expanded graphite jointings - James Walker Group

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Expanded graphite jointings

Our range of Supagraf^® expanded graphite jointings combines excellent chemical resistance with an exceptionally wide temperature range to provide outstanding sealing integrity over extended periods.

Prime features of Supagraf^® jointings

Temperatures from cryogenic to above +400°C in oxiding environments.
Maximum working temperature of +2500°C in inert conditions under certain circumstances.
Excellent resistance to stress relaxation, even at elevated temperatures.
Totally compatible with steam, air and water.
High levels of joint stability.
Accommodates flange distortions where traditional sheet jointings fail to seal.

Products

Supagraf® Plain Jointing

Standard & Ultra High Purity grades

Standard grade: 98% pure exfoliated graphite.
Ultra High Purity grade for nuclear industry duties.
Widest temperature range.
Suitable for use with potable water and foodstuff.

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Supagraf® Tanged Jointing T10

Tough and versatile composite for high pressures

Exfoliated graphite reinforced with stainless steel.
Strong composite construction without adhesives.
Exceptional resistance to blow-out and crushing.
Extra strength for ease of handling and fitting.

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Supagraf® Laminated S10

Strength plus sealability and oxygen approval

Graphite with bonded stainless steel central layer.
Excellent sealing integrity plus mechanical stability.
Extra strength for ease of handling and fitting.
Can be cut with hand tools.

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Supagraf® Laminated N7

Strength and sealing at very high temperatures

Graphite with bonded central layer of nickel foil.
Duties up to 1000°C in inert/reducing media.
Excellent sealing integrity plus mechanical stability.
Extra strength for ease of handling and fitting.

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Gaskets & Sheet Jointings

	Supagraf® Plain Jointing Standard & Ultra High Purity grades Standard grade: 98% pure exfoliated graphite. Ultra High Purity grade for nuclear industry duties. Widest temperature range. Suitable for use with potable water and foodstuff. More info
	Supagraf® Tanged Jointing T10 Tough and versatile composite for high pressures Exfoliated graphite reinforced with stainless steel. Strong composite construction without adhesives. Exceptional resistance to blow-out and crushing. Extra strength for ease of handling and fitting. More info
	Supagraf® Laminated S10 Strength plus sealability and oxygen approval Graphite with bonded stainless steel central layer. Excellent sealing integrity plus mechanical stability. Extra strength for ease of handling and fitting. Can be cut with hand tools. More info
	Supagraf® Laminated N7 Strength and sealing at very high temperatures Graphite with bonded central layer of nickel foil. Duties up to 1000°C in inert/reducing media. Excellent sealing integrity plus mechanical stability. Extra strength for ease of handling and fitting. More info