Manufacturer: Eagle Industry Co., Ltd.
Model: MD251

Features

• Cartridge
• Balanced
• Double seal
• Independent of direction of rotation
• Springs do not contact the liquid
• Inboard seal can withstand both forward and back pressure

Specification

Materials

• Seal face (Inboard side) : Silicon carbide (Q1)
  Seal face (Atmosphere side) : High density
  carbon graphite Seat : Silicon carbide (Q1)
  Metal parts: CrNiMo steel 316(G)
• Secondary seals: FKM (V)

Operating range

• Pressure: p = Vacuum … 16 bar (232 PSI)
  Temperature: t = -20 °C … 160 °C (-4 °F … 320 °F) (oil),
  0 °C … 80 °C (32 °F … 176 °F) (water)
  Sliding velocity: vg = 20 m/s (66 ft/s)
  Viscosity: … 1 Pa·s
  Solids content: … 7wt. %

Recommended applications

• Petrochemical industry
  Chemical industry
  Pharmaceutical industry
  Pulp and paper industry
  Water and waste water technology
  Food and beverage industry
  Metal production and processing
  Acids
  Alkaline solutions
  Salt solutions
  Low viscosity oils
  Monomers
  Hydrocarbons
  Water
  Seawater
  Chemical pumps
  Process pumps