Home Company Products Contacts Site map

products

James Walker® Gaskets & Jointings > Spiralwound & grooved metal gaskets



  Spiralwound & grooved metal gaskets
Metakamm: Kammprofile Gaskets
 
DESCRIPTION
These grooved metal, Kammprofiletype gaskets comprise a metal core with concentric grooves on either side, and usually a soft layer of sealing material bonded to both grooved faces.

TYPICAL APPLICATIONS
Flanges of high temperature/pressure pipework and vessels where operating conditions can fluctuate; also heat exchangers.
 
PRIME FEATURES
• Accommodate a vast range of operating conditions.
• Line temperatures and pressures up to 1000°C or 250bar.
• Undamaged cores can often be fitted with new soft faces to reduce maintenance costs.
• *Metakamm Easi-Fit (EF type) gaskets come with two or four locating lugs to aid fitting.
• **Metakamm Multifit gasket fits Class 150 to 2500 flanges.
 
SPECIFICATIONS
See Metaflex specifications, alongside.
 
MAXIMUM OPERATING TEMPERATURES OF FACING MATERIALS
XA Compressed non-asbestos fibre 450°C
SPG Standard purity graphite (oxidising media) 500°C
SPG Standard purity graphite (inert/reducing media) 600°C
SPG Standard purity graphite (steam) 650°C
HPG High purity graphite (oxidising media) 500°C
HPG High purity graphite (inert/reducing media) 600°C
HPG High purity graphite (steam) 650°C
Fluolion® PTFE 260°C
Aluminium and silver also available.
 
OPERATING PRESSURE
Standard gaskets: 250bar max.
 
SERRATED METALCORES
Available in stainless steels 304, 304L, 316, 316L, 316Ti, 321 and 347; Monel 400 and K500; nickel 200; Inconel 600, 625 and X750; Incoloy 800 and 825; titanium; Hastelloy HB2 and C276; copper.
 
SIZES
Standard diameters from 10mm NB up to 3600mm NB. Standard thicknesses: 3.0mm and 4.0mm cores with 0.5mm soft facings either side. Non-standard thicknesses: from 2.0mm core upwards.
 
HOW SUPPLIED
As six designs to suit different flange faces. Almost any combination of component materials is available. Special profiles include oval, rectangular and heat exchanger shapes with pass bars.