Rotary Seals

Walkersele Radial Lip Seals - General Range

Walkersele Radial Lip Seals - General rangeOur family of high efficiency lip seals for rotary applications is extensively proven worldwide for long term bearing protection on plant as diverse as rolling mills, gearboxes, marine propulsion systems, process mixers, wind turbines, and tunnel boring machines.

Developed constantly over almost 60 years to keep ahead of customers' operating conditions, Walkersele offers many invaluable benefits to users.

  • Highly cost effective
  • Available in unlimited sizes
  • Easy to install and simple to remove
  • Supplied ex-stock in standard sizes

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Product Spotlight


Walkersele D1

Original design modified for aggressive environments

  • Exceedingly well-proven design of lip seal.
  • Modified Aflas version now used on dewatering presses at pulp and paper plant.
  • Fabric-backed version available as Walkersele OSJ-2 for On-Site Joining.
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Walkersele D1/DL

Alternative design with auxiliary dust-lip

  • Similar to D6/DL - providing simultaneous fluid containment and dirt exclusion.
  • Alternative profile with dust lip incorporated in overall depth of seal.
  • Fabric-backed version available as Walkersele OSJ-2 for On-Site Joining.
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Walkersele D4

Slow rotary applications

  • Moulded in elastomer-proofed farbic.
  • Developed for duties with highly abrasive media.
  • Used on pulverising mills, etc.
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Walkersele D5

Compact design for limited housing space

  • Very compact seal used where space is limited.
  • Feathered lip needs no spring for efficient operation.
  • Can be supplied with external lip for duties where sealing on inner periphery is impractical.
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Walkersele D6

Our most popular design

  • Minimal heat generation and shaft wear.
  • Flexible lip to accommodate shaft eccentricity.
  • Fabric-backed version can be supplied in split form and as Walkersele OSJ-2 for On-Site Joining.
  • Standard inch and metric sizes ex-stock.
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Walkersele D6/DL

For aggressive environments

  • Walkersele D6 design with dust lip incorporated for simultaneous fluid containment and dirt exclusion.
  • Needs less space than double-seal arrangement.
  • Fabric-backed version available as Walkersele OSJ-2 for On-Site Joining.
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Walkersele D7

Pressure resistant lip seal

  • Maximum operating pressure: 400 kPa without profiled lip support plate. 
  • Flexible and robust lip maintains contact on shafts suffering slight eccentricity.
  • Available in self-retaining or plate-retained forms.
  • Fabric-backed version available as Walkersele OSJ-2 for On-Site Joining.
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Walkersele D8

Developed for marine applications

  • Also recommended for process equipment.
  • Accommodates shaft eccentricity.
  • Maximum service pressure: 150 kPa
  • Withstands vibration and shock loads.
  • Fabric-back versions can be supplied in split form and as Walkersele OSJ-2 for On-Site Joining. 
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Walkersele M1

M1 - nitrile (NBR) elastomer

  • Standard material for most Walkersele applications.
  • Suitable for water and majority of oils and greases.
  • Construction: flexible back of NBR-proofed fabric, lip of NBR.
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Walkersele M11

M11 - nitrile (NBR) elastomer

  • For marine propulsion and power-train duties.
  • Suitable for duties submerged in salt water or fresh water.
  • Construction: back of nitrile-proofed aramid/glass fabric, lip of nitrile.
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Walkersele M12

M12 - nitrile (NBR) elastomer

  • For low temperature duties.
  • Usable range: -48°C to +110°C.
  • Construction: back of nitrile-proofed fabric, lip of nitrile rubber.
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Walkersele M13

M13 - nitrile (NBR) elastomer

  • Similar to Walkersele M11, but for lower temperature duties.
  • Temperature range: -48°C to +110°C.
  • Construction: back of nitrile proofed aramid/glass fabric, lip of nitrile rubber.

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Walkersele M22

M22 - hydrogenated nitrile (HNBR) elastomer

  • For wind turbine applications.
  • Long-term operation in harsh offshore and on-shore environments.
  • Temperature range: -25°C to +150°C. 
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Walkersele M5

M5 - butyl (IIR) elastomer

  • Often specified for its chemical compatibility.
  • Resistant to silicone oils and greases, acids, alkalis, salt solutions, alcohols, glycols.
  • Construction: flexible back of butyl-proofed fabric, lip of butyl.
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Walkersele M6

M6 - nitrile (NBR) elastomer

  • Most popular material for self-retaining seals in open housings.
  • Suitable for use with most oils and greases.
  • Construction: nitrile NBR with stainless steel band encapsulated in its back.
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Walkersele M8

M8 - fluoroelastomer (FKM)

  • High working temperature material for self-retaining seals in open housings.
  • Excellent resistance to lubricating oils, fuels, etc.
  • Construction: fluoroelastomer with stainless steel band located in its back.
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Walkersele M9

M9 - fluoroelastomer (FKM)

  • For high speeds, high working temperatures or chemical compatibility.
  • Suits housings fitted with retaining plates.
  • Construction: back of fluoroelastomer-proofed synthetic fibre, lip of fluoroelastomer.
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Walkersele Millglide

Reformulated HNBR material for Walkerseles on rolling mills

  • Improved wear resistance over NBR.
  • Abrasion resistant material.
  • Superior high-temperature resistance than NBR.
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Walkersele Supaglide

Reformulated HNBR for rotary seal duties at metallurgical plant

  • HNBR formulated for running speeds up to 25 m/s.
  • Abrasion resistant.
  • For extended running life and reduced lifetime costs.
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Walkersele Ultraglide

Reformulated HNBR elastomer for high temperatures and long life

  • Highly extended sealing life with many fluid media.
  • Low friction material with greater abrasion resistance for improved running.
  • Improved heat dissipation for high efficiency sealing.
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Walkersele X-Gen

Advanced Walkersele® technology for large diameter shaft and bearing sealing in the wind industry.

James Walker’s latest advances in Walkersele rotary sealing technology offer a new innovative glass-reinforced seal construction with new lip profiles and spring formations, specifically designed to meet the demands of the wind industry.

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