The buyer pleasure is our primary concentrate on. We uphold a consistent level of professionalism, excellent, credibility and service for pump shaft seal to replace Burgmann mechanical seals M7N, Standing still today and seeking into the longer term, we sincerely welcome customers all over the environment to cooperate with us.
The buyer pleasure is our primary concentrate on. We uphold a consistent level of professionalism, excellent, credibility and service for Mechanical Seals, Pump Mechanical Seal, Pump Shaft Seal, We seriously promise that we provide all the customers with the best quality products, the most competitive prices and the most prompt delivery. We hope to win a resplendent future for customers and ourselves.
Replacement for the below mechanical seals
Burgmann M7N ,LIDERING LWS10, Latty U68, Flowserve Europac 600, Vulcan 1677, AESSEAL W07DMU, Anga V, Sterling 270, Hermetica M251.K2
Features
- For plain shafts
- Single seal
- Unbalanced
- Super-Sinus-spring or multiple springs rotating
- Independent of direction of rotation
Advantages
- Universal application opportunities
- Efficient stock keeping due to easily interchangeable faces
- Extended selection of materials
- Insensitive to low solids contents
- Flexibility in torque transmissions
- Self-cleaning effect
- Short installation length possible (G16)
- Pumping screw for media with higher viscosity
Operating Range
Shaft diameter:
d1 = 14 … 100 mm (0.55 ” … 3.94 “)
Pressure:
p1 = 25 bar (363 PSI)
Temperature:
t = -50 °C … +220 °C
(-58 °F … +428 °F)
Sliding velocity:
vg = 20 m/s (66 ft/s)
Axial movement:
d1 = up to 25 mm: ±1.0 mm
d1 = 28 up to 63 mm: ±1.5 mm
d1 = from 65 mm: ±2.0 mm
Combination Material
Rotary Face
Silicon carbide (RBSIC)
Carbon graphite resin impregnated
Tungsten carbide
Cr-Ni-Mo Steel (SUS316)
Stationary Seat
Silicon carbide (RBSIC)
Carbon graphite resin impregnated
Tungsten carbide
Auxiliary Seal
Fluorocarbon-Rubber (Viton)
Ethylene-Propylene-Diene (EPDM)
Silicone-Rubber（MVQ)
PTFE Coated VITON
Spring
Stainless Steel (SUS304)
Stainless Steel （SUS316)
Metal Parts
Stainless Steel (SUS304)
Stainless Steel （SUS316)
Recommended Applications
- Process industry
- Chemical industry
- Pulp and paper industry
- Water and waste water technology
- Shipbuilding
- Lube oils
- Low solids content media
- Water / sewage water pumps
- Chemical standard pumps
- Vertical screw pumps
- Gear wheel feed pumps
- Multistage pumps (drive side)
- Circulation of printing colors with viscosity 500 … 15,000 mm2/s.
Item Part no. to DIN 24250 Description
1.1 472 Seal face
1.2 412.1 O-Ring
1.3 474 Thrust ring
1.4 478 Righthand spring
1.4 479 Lefthand spring
2 475 Seat (G9)
3 412.2 O-Ring
WM7N DATA SHEET OF DIMENSION (mm)
The buyer pleasure is our primary concentrate on. We uphold a consistent level of professionalism, excellent, credibility and service for Factory made hot-sale M7N Mechanical Shaft Water Pump Seal, Standing still today and seeking into the longer term, we sincerely welcome customers all over the environment to cooperate with us.
Factory made hot-sale China Mechanical Seal and Ningbo victor Mechanical Seal, We seriously promise that we provide all the customers with the best quality products, the most competitive prices and the most prompt delivery. We hope to win a resplendent future for customers and ourselves.
