M7N water pump shaft seal for marine industry

Short Description:

Our WM7N is equal to Burgmann M7N mechanical seals which designed for universal application and ideal suited for standard situation. The loosely inserted seal faces are easily exchanged, permitting all combinations of materials with Super-Sinus spring. Extremely rugged and reliable, they cover a wide spectrum of applications-in water pumps, sewage pumps, submerged pumps, chemical pumps, etc.


Product Detail

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We’re committed to furnishing easy,time-saving and money-saving one-stop purchasing support of consumer for M7N water pump shaft seal for marine industry, Our company warmly welcome friends from all over the world to visit, investigate and negotiate business.
We’re committed to furnishing easy,time-saving and money-saving one-stop purchasing support of consumer for , Customer satisfaction is our goal. We are looking forward to cooperating with you and providing our best services for you. We warmly welcome you to contact us and please feel free to contact us. Browse our online showroom to see what we can do for you. And then E-mail us your specifications or inquiries today.

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.

product-description1

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)

product-description1mechanical pump seal for marine industry


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