8121 · 8131 ND

Cleamatex series 8121ND · 8131ND gasket is a gasket with anti-sticking treatment on the gasket surface. 
Gasket performance, as well as gasket adhesion, which had been a problem with conventional expanded graphite gaskets, is greatly suppressed, making it possible to reduce flange cleaning work during maintenance.

SKU: 8121 · 8131 ND Category: Tags: , , , ,

Specification

Heatproof temperature -240 to 650 ° C (steam)
Pressure limit 5.0 MPa
Thickness 1.5 mm / 2.0 mm / 3.0 mm
Maximum processing dimension of one piece φ 1490 mm 
* When exceeding the maximum machining dimension, the grommet option is recommended when exceeding the maximum machining dimension.
Applied fluid Water, oil, steam, thermal oil, solvent, gas, LNG, etc.
Gasket coefficient m value 2.0
Minimum tightening pressure 29.4 MPa (liquid) / 39.2 MPa (gas)
Allowable surface pressure 180 MPa
Notes ※ It can not be used for oxidizing acid type, oxidizing salt type, halogen compound type, combustion supporting gas type etc. 
Please contact us for details. 
※ The heatproof temperature under oxidizing atmosphere is 420 ℃. Please contact us for details. 
There is a balance with the effective width of the seal about the pressure limit ※. Please contact us for details. 
※ 8121ND is SUS 316L flat plate reinforcement, 8131ND is SUS 316L hook plate reinforcement

Additional information

Application

General piping · Flange
heat exchanger
reactor

Specialty

Excellent sealing property Excellent in
chemical resistance Excellent
anti-sticking effect

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