Our corporation promises all end users in the first-class solutions as well as most satisfying post-sale services. We warmly welcome our regular and new shoppers to join us for M7N pump shaft seal for marine industry, Honesty is our principle, expert operation is our perform, support is our goal, and customers’ fulfillment is our future!
Our corporation promises all end users in the first-class solutions as well as most satisfying post-sale services. We warmly welcome our regular and new shoppers to join us for , Besides strong technical strength, we also introduce advanced equipment for inspection and conduct strict management. All the staff of our company welcome friends both at home and abroad to come for visits and business on the basis of equality and mutual benefit. If you are interested in any of our items, please feel free to contact us for quotation and product details.
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)
M7N pump shaft seal for marine industry