LeaderKAMKammprofile Gaskets
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LeaderKAM Kammprofile Gasket Style KB

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Description

LeaderKAM KB Kammprofile gaskets consist of a metallic core with machined concentric grooves in a convex shape. Both faces are produced with soft sealing layers consisting of either graphite or PTFE. However also metallic (non-ferro) layers of pure silver or aluminium can be produced. Modified phlogopite (LeaderTHERM NXT) or alternative mica not recommended for convex shape.

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Product Data Sheet

Application

(Petro-) Chemical Industry, Steam, On- and Offshore exploration, pipeline systems, pressure vessels, heat exchangers and coolers. LeaderKAM Kamprofile gaskets have prooven records in demanding application with heat-exchangers with fluctuating and cycling process conditions. Superb alternative for metal jacketed gaskets.

Advtantages

convex profile good at weak flanges

Chemical Compatiblity

LeaderKAM Kammprofile Gaskets are suited for a wide variety of media, e.g. a pH range varying from 0-14. Temperature range from –250 °C up to 450 degrees °C (steam 550 °C) with graphite layers. Leadertherm Mica layers can withstand temperatures of 900 °C. Application/ compatibility guide is available on request.

Delivery Options

All dimensions in a wide variety of materials are possible. Non-standard equipment gaskets can be manufactured up to a diameter of 6000 mm. EN10.204 3.1 certificates can be delivered on request, as well as NACE MR0175/ISO 15156 conformity statement.

Temperature

LeaderKAM Kammprofile Gaskets are suited for temperature range from –250 °C up to 450 degrees °C (steam 550 °C) with graphite layers. LeaderTHERM (phlogopite) layers can withstand temperatures of 900 °C.

Sealing Characteristics

  • blow out safe
Technical Data
max Temperature [°C]See material table below
min Temperature [°C]See material table below
max Pressure [bar]200
Minimum initial stress [DIN E 2505 part 2] [N/mm2]15
Maximum initial stress [DIN E 2505 part 2] [N/mm2]300
M-Value2
Y- Value [psi]2500
min Seating stress [Qmin(L 0,01), mg/(s*m)] at RT 40 bar [N/mm2]>15
Gasket required flange roughness [Ra micron]3,2-6,3
max Seating stress [Qsmax bei RT EN13555] [n/mm2]300
Relaxation PQR (30 MPA 150°C) [%]0.92
Residual seating stress , [QA=40 MPA,Qmin(L 0,01), mg/(s*m)] bei RT 40 bar [N/mm2]9
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