Online Catalog Extranet Lidering

Technical Information

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Contact surfaces
(position I and II)

SYNTHETIC CARBONS
AAntimony-impregnated carbon
BResin-impregnated carbon
B2Resin-impregnated carbon
B3Pure non-impregnated carbon
B5Hot pressed carbon
  
METALS
EChromium steel; AISI 420 (1.4021 ; 1.4028)
F1Nickel-chromium steel; AISI 431 (1.4057)
GNickel-chromium-molybdenum steel; AISI 316 (1.4401)
DDuplex stainless steel (1.4462 ; 1.4162)
ZNickel-chromium-molybdenum steatite steel
CBrass
  
CARBIDES
UTungsten carbide with welded / inserted nickel
U1Solid tungsten carbide with nickel
Q1Sintered silicon carbide with no free silicon
Q2Sintered silicon carbide
Q6Sintered silicon carbide with carbon
  
CERAMIC MATERIALS
VAlumina oxide 99,5%
V2Alumina oxide 95%
XSteatite
  
SYNTHETIC MATERIALS
YGlass-filled PTFE
Y1PTFE-graphite

Secondary seals
(position III)

ELASTOMERS
PNitrile butadiene rubber (NBR)
HHydrogenated nitrile butadiene rubber (HNBR)
NChloroprene rubber (CR)
EEthylene-propylene diene monomer (EPDM)
XEthylene-propylene diene monomer peroxide (EPDMPX)
SMethyl-vinyl silicon rubber (MVQ)
VFluorocarbon (FKM or Viton® Rubber)
KPerfluorocarbon rubber (FFKM)
MViton® Rubber coated with PTFE (FEP-FKM / FEP-MVQ)
ATetrafluoro-ethylene Propylene Rubber (TFE/P or Aflas®)
  
NON-ELASTOMERS
GGraphite
TPTFE

Springs and other metal parts
(position IV and V)

EChromium steel; AISI 420 (1.4021; 1.4028)
FNickel-chromium steel; AISI 304 (1.4301)
F1Nickel-chromium steel; AISI 431 (1.4057)
GNickel-chromium-molybdenum steel; AISI 316 (1.4401)
G2AM350 nickel-chromium-molybdenum steel. AM350
LNIckel-chromium-molybdenum steel; AISI 316L (1.4404)
DNickel-chromium-molybdenum duplex stainless steel (1.4462)
MHastelloy® C276
M2Inconel® 718
M4Monel® 400
BBrass
G3Alloy® 20
G4316Ti (1.4571)