Enactus-MA290/MA390 Burgmann MA290 And MA390 Replacement

Features

• Cartridge

• Balanced

• Independent of direction of rotation

• Stationary multiple springs

• Springs and pin located on the atmospheric side

Operating range
MA290 / MA390:
Pressure: p = … 16 bar (232 PSI)
Temperature:
t = -20 °C …160 °C (-4 °F ... 320 °F) (oil),
0 °C ... 60 °C (32 °F ... 140 °F) (water)
Sliding velocity:
vg = max. 20 m/s (66 ft/s)
Viscosity: 0.5 Pa·s
Solids content: 0.3 %

MA291 / MA391:
Pressure: p = … 10 bar (145 PSI)
Temperature:
t = -20 °C …160 °C (-4 °F ... 320 °F) (oil),
0 °C ... 60 °C (32 °F ... 140 °F) (water)
Sliding velocity: vg = max. 20 m/s (66 ft/s)
Viscosity: 3 Pa·s
Solids content: 10 %
Materials

Seal face (MA290, MA390): High density carbon graphite
Seal face (MA291, MA391): Silicon carbide (Q1)
Seat (MA290/291, MA390/391): Silicon carbide (Q1)
Metal parts: CrNiMo steel (G)
Secondary seals: FKM (V)

Recommended applications

• Petrochemical industry

• Chemical industry

• Pharmaceutical industry

• Pulp and paper industry

• Water and waste water technology

• Food and beverage industry

• Universally applicable

• Centrifugal pumps

• Eccentric screw pumps

• Process pumps

Service
Provide special design
According to the requirements and conditions for the custom processing

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