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ESA Guidelines  
   Guidelines for safe 
   seal usage 

Characteristic & main applications
The really flexible graphite sealing material with a high degree of inherent stability offers reliability in handling. Thanks to its high load bearing capacity and the low embrittlement, KLINGERtop-graph-2000 is ideally suited for use with steam and other sophisticated applications.
The material impresses with its good handling in combination with its very high level of load bearing capacity and minimal embrittlement at temperatures up to 300°C. These properties offer the gasket a high degree of resistance to damage during fitting and under operation, prevents the loss of bolt load and the formation of cracks at high temperature. The material is suitable for use with steam up to 300°C. In many other areas of application, temperatures of over 500°C are possible.
KLINGERtop-graph-2000 combines the advantages of fibrereinforced gaskets preferred by the experts with the key features of really flexible graphite.

Material
Sealing material, based on graphite and synthetic fibres. Manufactured using a revolutionary process which provides the graphite gaskets with totally new, previously unachievable properties.

pT diagram

The Klinger pT diagram provides guidelines for determining the suitability of a particular gasket material for a specific application based on the operating temperature and pressure only. Always refer to the chemical resistance of the gasket to the fluid.

Technical Data
    

Typical values for 1,5 mm thickness
Compressibility ASTM F 36 J		%	10
Recovery ASTM F 36 J	min.	%	60
Stress relaxation DIN 52913	50 MPa, 16 h/300 °C	MPa	32
Klinger cold/hot compression 50 MPa	thickness decrease at 23 °C	%	10
	thickness decrease at 300 °C	%	10
Tightness according DIN 3535/6		ml/ min	0,5
Thickness increase after fluid immersion ASTM F 146	water: 5 h/100 °C	%	5
	fuel B: 5 h/23 °C	%	7
Density		g/cm3	1,75
Meets the technical requirements of BS 7531:2006 Grade AX

Technical advice
KLINGERexpert (pdf, 410KB)
The many, varied demands placed on gaskets
Gasket selection with the pT diagram
Product documentation (pdf, 887KB)
KLINGER Hot and Cold compression test method
High temperature tightness
Surface pressures acc. DIN 28090
Gasket factors acc. DIN 28090 and EN 13555
Chemical compatibility

Technical support
Application overview (pdf, 525KB)
Important application parameters (pdf, 410KB)
Installation instructions (pdf, 421KB)
Shelf life of KLINGERSIL (pdf, 408KB)
Material safety data sheet (pdf, 83KB)
Technical presentations
Approvals and certificates

Dimensions of the standard sheets
Sizes: 1000 x 15  mm, 1500 x 2000 mm
Thicknesses: 0,5 mm, 1,0 mm, 1,5 mm, 2,0 mm, 3,0 mm;
other thicknesses and sizes on request.
Tolerances: thickness ± 10%, lenght ± 50 mm, width ± 50mm

Function and durability
The performance and service life of KLINGER gaskets depend in large measure on proper storage and fitting, factors beyond the manufactor’s control. We can, however, vouch for the excellent quality of our products. With this in mind, please also observe our installation instructions.