Camprofile gaskets
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The series of grooved gaskets (camprofile) belongs to the group of semi-metallic gaskets where the sealing effect is ensured by soft layers on a metallic grooved core. Thanks to these soft layers the sealing surfaces of flanges are not damaged and in combination with a grooved convex core profile even slightly open flange joints can be sealed up.

This gasket type provides a high sealing effect also at small specific pressures, which allows sealing also under heavy-duty operating conditions. New sealing layers can be applied to the core and the gasket can be reused in the flange joint, thus the gasket becomes economically very efficient.

The camprofile gasket of the DIMERFLEX PT series is a highly effective sealing element in the environment with continuous temperature and pressure changes. The gasket is resistant to pressures up to 250 bar and temperatures up to 1100 °C.

The gaskets are produced for flanges according to DIN, ASTM, EN and ČSN standards (CZ) as well as in atypical designs including internal bars and in dimension as required by the customer. We are able to design and produce the shapes and design required by you even for the most demanding applications.

Soft sealing layers are fixed by a chloride-free adhesive and therefore, they fully satisfy all requirements of European standards and regulations.

Construction of camprofile PT4B (+BP)

1-parallel metal core (for new application we recommended th. 4,0mm, for existing th.3,0mm)
  1a-outer / integral centring ring
2-soft layer elements (normal th. 0,5mm, or 1,0mm depending of the type
d1-inner diameter
d2-outer diameter of sealing element
d3-outer diameter of centring ring
s-total th. of camprofile
s1-th.of sealing layer
BP- break point (on request)


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Type of camprofile

DIMERFLEX PT4A

parallel root core without centring ring

DIMERFLEX PT4B

parallel root core with integral centring ring

DIMERFLEX PT4C

parallel root core with floating centring ring

DIMERFLEX PT4E

smooth core without sealing layers

DIMERFLEX PT4E-G

smooth core with sealing layers

DIMERFLEX PT4X

convex root core with integral centring ring

DIMERFLEX PT4Y

convex root core without centring ring

DIMERFLEX PT4Z

convex root core with floating centring ring

STANDARD METAL CORE MATERIALS

materialAISI / ASTM spec.acc.to 10207spec.acc. to EN 10027-2 BS ČSN/CZ temperature (°C) hardness (HB)
min max
carbon steel 238-C RSt. 37.2 CS 1.0038 D/40B 11 375 -40 +500 100-120
low carbon steel - M2 / ARMCO 1.1003 S/LCS - -60 +500 90-110
stainless steel 304 X5CrNi 18 10 1.4301 304S 15/16/31 17 240 -250 +550 130-180
stainless steel 304L X2CrNi 19 11 1.4306 304 S11 17 249 -270 +550 130-170
stainless steel 309 X15CrNiSi 20 12 1.4828 309 S24 17 251 -110 +1000 130-220
stainless steel 316 X5CrNiMo 17 12 2 1.4401 316 S31/33 17 346 -200 +550 130-190
stainless steel 316L X2CrNiMo 18 14 3 1.4404 316 S11/13 17 349 -200 +550 120-170
stainless steel 316Ti X6CrNiMoTi 17 12 2 1.4571 320 S31 17 348 -270 +550 130-190
stainless steel 321 X6CrNiTi 18 10 1.4541 321 S12/49/87 17 247 -270 +550 130-190

STANDARD LAYERS

material temperature (°C) pH application colour coding
min. max.
FG (expanded graphite) -200 +550 0-14 agressive medium grey
PTFE (polytetrafluorethylen) -200 +260 0-14 agressive medium white
CER (ceramica) -200 +1100 - very high temperatures light green
MIC (mica) -200 +1000 - high temperature pink

DIMENSIONS AND SIZES - TYPE A / TYPE B

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Table of recommended seating stress

material seating stress for DIMERFLEX PT (MPa at +20°C)
min. recommended max.
FG (expanded graphite) 20 90 400
PTFE (polytetrafluorethylen) 20 90 350
CER (ceramica) 50 120 250
MIC (mica) 60 100 260
CSF (Dimersil) 40 130 240

TABLE OF recommended surface finish of flanges

roughness value (µm) application
Ra - 3,2 6,3 - recommended
Ra 1,6 - - 12,5 acceptable under working conditions
Files to download
DIMER-Camprofile_PT_aj.pdf



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