China High Quality Shaft Seal Ring Suppliers – WMFL85N Metal Bellow Mechanical Seals Replacement Of Eagle Burgmann MFL85N – VICTOR SEALS Detail:
Features
- For unstepped shafts
- Single seal
- Balanced
- Independent of direction of rotation
- Metal bellows rotating
Advantages
- For extreme temperature ranges
- No dynamically loaded O-Ring
- Self-cleaning effect
- Short installation length possible
- Pumping screw for highly viscous media available (dependent on direction of rotation)
Operating Range
Shaft diameter:
d1 = 16 … 100 mm (0.63″ … 4“)
Externally pressurized:
p1 = … 25 bar (363 PSI)
Internally pressurized:
p1 <120 °C (248 °F) 10 bar (145 PSI)
p1 <220 °C (428 °F) 5 bar (72 PSI)
Temperature: t = -40 °C … +220 °C
(-40 °F … 428) °F,
Stationary seat lock necessary.
Sliding velocity: vg = 20 m/s (66 ft/s)
Notes: The range of preesure,temperature and sliding velocity is depend on seals
Combination Material
Rotary Face
Silicon carbide (RBSIC)
Carbon graphite resin impregnated
Tungsten carbide
Stationary Seat
Silicon carbide (RBSIC)
Tungsten carbide
Elastomer
Fluorocarbon-Rubber (Viton)
Ethylene-Propylene-Diene (EPDM)
PTFE Enwrap Viton
Bellows
Alloy C-276
Stainless Steel (SUS316)
AM350 Stainless Steel
Alloy 20
Parts
Stainless Steel (SUS304)
Stainless Steel (SUS316)
Mediums: Hot water, oil, liquid hydrocarbon, acid, alkali, solvents, paper pulp and other medium-and-low-viscosity content.
Recommended Applications
- Process industry
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Chemical industry
- Hot media
- Cold media
- Highly viscous media
- Pumps
- Special rotating equipment
- Oil
- Light hydrocarbon
- Aromatic Hydrocarbon
- Organic solvents
- Week acids
- Ammonia

Item Part no. DIN 24250 Description
1.1 472/481 Seal face with bellows unit
1.2 412.1 O-Ring
1.3 904 Set screw
2 475 Seat (G9)
3 412.2 O-Ring
WMFL85N Dimension data sheet (mm)

Product detail pictures:



Related Product Guide:
"Control the quality by the details, show the strength by quality". Our company has strived to establish a highly efficient and stable staff team and explored an effective quality control process for China High Quality Shaft Seal Ring Suppliers – WMFL85N Metal Bellow Mechanical Seals Replacement Of Eagle Burgmann MFL85N – VICTOR SEALS, The product will supply to all over the world, such as: Argentina, Tanzania, Cyprus, Our company has already have pass the ISO standard and we are fully respect our customer 's patents and copyrights. If the customer provides their own designs, We will guarantee that they will be the only one can have that products. We hoping that with our good products can bring our customers a great fortune.
Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.









