China High Quality Elastomer Bellow Seal Manufacturers – WM3N O-ring mechanical seals , replacement for Burgmann M3N – VICTOR SEALS

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)

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)