Features
Equivalent to Burgmann LB500
Single seal
Balanced
Independent of direction of rotation
Rotating multiple springs
 
Operating range
Pressure: p = vacuum 35 bar (508 PSI)
Temperature: t = -20 °C +200 °C (-4 °F +392 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Viscosity: 500 mPa·s
Solids content: 0.5 %
 
Materials
Seal face: Carbon graphite resin
impregnated (B), High density carbon
graphite
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V)
Metal parts: CrNiMo steel (G)
 
Recommended applications
Chemical industry
Process industry
Acids
Alkaline solutions
Salt solutions
Low viscosity oils
Monomers
Hydrocarbons
Water
Seawater
Process pumps
 
Advantages
API 682 (Type A) compliant
Fits to EN and ANSI seal chambers
Optimized, narrow width seal face design