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MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
Specifications
Metal parts :
CrNiMo steel (G)
Model Number :
MA390 / MA391
Certification :
ISO9001
Place of Origin :
CHINA
MA390 Temperature :
-20 °C …160 °C
Packaging Details :
Carton
Seal face (MA391) :
Silicon carbide (Q1)
Delivery Time :
15 working days
Seal face (MA390) :
High density carbon graphite
MOQ :
1pc
Seat (MA390/391) :
Silicon carbide (Q1)
Secondary seals :
FKM (V)
Brand Name :
BESTSEAL
MA391 Pressure :
16 bar (232 PSI)
MA391 Temperature :
-20 °C …160 °C
Supply Ability :
1000000/Month
Standards and approvals :
EN 12756, ISO 3096
MA390 Pressure :
20 bar (290 PSI)
Payment Terms :
T/T,Western Union,D/P,D/A,L/C
Description
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps

Mechanical seals

Mechanical seals for pumps

Standard cartridge seals

MA390 / MA391

Type: Single Cartridge Seal
Replacement: EagleBurgmann MA390 / MA391
Temperature: -20℃ to +160℃
Pressure: ≤1.6Mpa
Speed: ≤20m/s
Material: Q1,Q2,Graphite,V,G
Features
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Stationary multiple springs
  • Springs and pin located on the atmospheric side
Advantages
  • Ultra-thin compact design -
    the total length including the seal cover is only 33 mm
  • Easy installing on the pumps without modifying the stuffing box
  • Excellent followability due to no influence from run-out, squareness or vibration of the shaft
  • Mounted outside the stuffing box for providing excellent air cooling performance
  • Un-wetted springs and knock pins for protecting from lockout by liquid
Operating range

MA390:
Pressure: p = … 20 bar (290 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 %

MA391:
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: 3 Pa·s
Solids content: 10 %

Materials

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

Standards and approvals
  • EN 12756
  • ISO 3096

MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps

MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps

MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps

MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps

MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps

MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps

MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps

MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps

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MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps

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Product Detail
Metal parts :
CrNiMo steel (G)
Model Number :
MA390 / MA391
Certification :
ISO9001
Place of Origin :
CHINA
MA390 Temperature :
-20 °C …160 °C
Packaging Details :
Carton
Contact Supplier
video
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps
MA390 MA391 Standard Cartridge Mechanical Seals EagleBurgmann Seal for Pumps

Hangzhou Bestseal International Trade Co., Ltd.

Verified Supplier
1 Years
zhejiang, hangzhou
Since 2012
Business Type :
Manufacturer
Main Products :
Cartridge Mechanical Seal, John Crane Mechanical Seal, AESSEAL Mechanical Seal
Total Annual :
3000-5000
Employee Number :
200~300
Certification Level :
Verified Supplier
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