WM3N O-ring mechanical seals , replacement for Burgmann M3N

Short Description:

Our model WM3N is the replaced mechanical seal of Burgmann mechanical seal M3N. It is for conical spring and O-ring pusher construction mechanical seals, designed for large batch production. This type of mechanical seal is easy to install, covering a wide range of applications and reliable performance. It is frequently used in paper industry, sugar industry, chemical and petroleum, food processing, sewage treatment industry.


Product Detail

Product Tags

Analog to the following mechanical seals

- Burgmann M3N
- Flowserve Pac-Seal 38
- Vulcan Type 8
- AESSEAL T01
- ROTEN 2
- ANGA A3
- Lidering M211K

Features

  • For plain shafts
  • Single seal
  • Unbalanced
  • Rotating conical spring
  • Dependent on direction of rotation

Advantages

  • Universal application opportunities
  • Insensitive to low solids content
  • No damage of the shaft by set screws
  • Large choice of materials
  • Short installation lengths possible (G16)
  • Variants with shrink-fitted seal face available

Recommended Applications

  • Chemical industry
  • Pulp and paper industry
  • Water and waste water technology
  • Building services industry
  • Food and beverage industry
  • Sugar industry
  • Low solids content media
  • Water and sewage water pumps
  • Submersible pumps
  • Chemical standard pumps
  • Eccentric screw pumps
  • Cooling water pumps
  • Basic sterile applications

Operating Range

Shaft diameter:
d1 = 6 ... 80 mm (0,24" ... 3,15")
Pressure: p1 = 10 bar (145 PSI)
Temperature:
t = -20 °C ... +140 °C (-4 °F ... +355 °F)
Sliding velocity: vg = 15 m/s (50 ft/s)
Axial movement: ±1.0 mm

Combination Material

Rotary Face
Silicon carbide (RBSIC)
Tungsten carbide
Cr-Ni-Mo Steel (SUS316)
Surface hard facing tungsten carbide
Stationary Seat
Carbon graphite resin impregnated
Silicon carbide (RBSIC)
Tungsten carbide
Auxiliary Seal
Nitrile-Butadiene-Rubber (NBR)
Fluorocarbon-Rubber (Viton)
Ethylene-Propylene-Diene (EPDM)

Spring 
Stainless Steel (SUS304)
Stainless Steel (SUS316)
Left rotation: L Right rotation:
Metal Parts
Stainless Steel (SUS304)
Stainless Steel (SUS316)

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

WM3N dimension data sheet(mm)

product-description2


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