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V-Ring® for rotary shafts

A unique all rubber seal for rotary shafts, V-Ring® offers the perfect solution to prevent ingress of media including dirt, dust and water while retaining lubricant. Typical applications are on chemical mechanical polish or wafer dicing equipment, where it operates at a velocity up to 12 m/s / 39 ft/s.

A flexible axial lip seal for shafts and bearings. The V-Ring® fits directly into the shaft and seals axially against a counterface e.g. shaft collar, thrust washer, roller bearing face etc. Provides reliable sealing against dust, dirt, oil, grease etc. with low friction. Available in nitrile (NBR) and fluorocarbon (FKM).

General

The V-RING is a unique all-rubber seal for rotary shafts. Developed in the 1960’s it has been used successfully by OEMs and on the replacement market worldwide in a broad range of applications.

The V-Ring is the perfect seal to prevent the ingress of dirt, dust, water or combinations of these media while positively retaining grease. With its unique design and performance the V-Ring can be used with a wide range of bearing types. It can also be used as a secondary seal to protect primary seals that do not perform well in hostile environments.

Description and advantages
The V-Ring is normally stretched and mounted directly on the shaft, where it is held in position by the inherent tension of the rubber body. It rotates with the shaft and seals axially against a stationary counterface, perpendicular to the shaft. The counterface can be the side wall of a bearing or a washer, stamping, bearing housing or even the metal case of an oil sea. The sealing lip is flexible and applies only a relatively light contact pressure against the counter-face and yet is still sufficient to maintain the sealing function. The low contact pressure (that varies with the fitted width) allows the seal to run dry in many applications.

 

Due to influence of the centrifugal force, the contact pressure of the lip decreases with increased speed. This means that frictional losses and heat are kept to a minimum, resulting in excellent wear characteristics and extended seal life. Once breakaway friction is overcome, the friction reduce steadily until around the 10 – 15 m/s range, when it reduces quite quickly. In the 15 – 20 m/s range the friction reduces to zero. The V-Ring then serves as a clearance seal and deflector. The power loss due to seal friction develops as shown in Fig. 54.

The flexible lip and hinge allow the V-Ring to function even in the presence of a certain amount of run-out, eccentricity and shaft misalignment. Contact our local TSS company for advice on these and other application issues.

V-Rings are made entirely of rubber without fabric or sheet metal reinforcement. They are, therefore, particularly easy to install. V-Rings can be stretched and, depending on size, installed over flanges, pulleys and bearing housings without costly dismantling. For larger sizes they can even be supplied as cut rings and joined by vulcanization of site.

 

Due to influence of the centrifugal force, the contact pressure of the lip decreases with increased speed. This means that frictional losses and heat are kept to a minimum, resulting in excellent wear characteristics and extended seal life. Once breakaway friction is overcome, the friction reduce steadily until around the 10 – 15 m/s range, when it reduces quite quickly. In the 15 – 20 m/s range the friction reduces to zero. The V-Ring then serves as a clearance seal and deflector. The power loss due to seal friction develops as shown in Fig. 54.

The flexible lip and hinge allow the V-Ring to function even in the presence of a certain amount of run-out, eccentricity and shaft misalignment. Contact our local TSS company for advice on these and other application issues.

 

V-Rings are made entirely of rubber without fabric or sheet metal reinforcement. They are, therefore, particularly easy to install. V-Rings can be stretched and, depending on size, installed over flanges, pulleys and bearing housings without costly dismantling. For larger sizes they can even be supplied as cut rings and joined by vulcanization of site.

 

Design
V-Rings are available in seven standard cross-sections to meet various space and application requirements.

The cross-sections of profiles A and S increase with the shaft diameter, whilst the other types have the same cross-section for the whole diameter range.

Profile A is the most common and available for shaft diameters from 2.7 to 2020 mm, inclusive.
Profile S is wide and tapered, which provides a very firm hold on the shaft. The rings are available for shaft diameters from 4.5 to 210 mm.

Profiles L and LX have narrow axial cross sections making them suitable for compact arrangements and are often used in combination with labyrinth seals. Available for shaft diameters from 105 (135 for LX) to 2025 mm.

Profiles RME, RM and AX are heavy duty V-Rings that are designed primarily for large high speed bearing arrangements, I.E. rolling mill and papermaking machine applications. Additionally they can be used as secondary seals for heavy duty applications where the primary seal has to be protected against water and or particulate contamination. The RME, RM and AX types can be axially and radially located on the shaft with the especially designed clamping bands. Available for shaft diameters from 300 mm and up.

 

Materials
When selecting the correct rubber compound it is necessary totake the following requirements into account;

  • -good chemical resistance
  • -good resistance to high and low temperatures
  • -good resistance to ozone and weathering

It is also necessary to consider the need for the following attributes;

  • -high resistance to wear
  • -low friction
  • -low compression set
  • -good elasticity

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More Information
Application หรือ MEDIA ที่เหมาะกับการใช้งานใช้งานRotary shafts seal to prevent ingress of media including dirt, dust and water while retaining lubricant
Temperature Range Min °C-30
Temperature Range Max °C105
หน่วยPCE
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V-RING S Type

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Grouped product items
   
 ชื่อสินค้าราคา จำนวน Part NOV-Ring designation TypeMaterial
V-RING NBR VS-065
฿80.00
610065N VS-065 VS NBR
V-RING NBR VS-035
฿29.00
610035N VS-035 VS NBR
V-RING NBR VS-018
฿18.00
610018N VS-018 VS NBR
V-RING NBR VS-006
฿16.00
610006N VS-006 VS NBR
V-RING NBR VS-140
฿216.00
610140N VS-140 VS NBR
V-RING NBR VS-085
฿110.00
610085N VS-085 VS NBR
V-RING NBR VS-050
฿58.00
610050N VS-050 VS NBR
V-RING NBR VS-028
฿22.00
610028N VS-028 VS NBR
V-RING NBR VS-012
฿18.00
610012N VS-012 VS NBR
V-RING NBR VS-180
฿304.00
610180N VS-180 VS NBR
V-RING NBR VS-110
฿172.00
610110N VS-110 VS NBR
V-RING NBR VS-070
฿86.00
610070N VS-070 VS NBR
V-RING NBR VS-038
฿31.00
610038N VS-038 VS NBR
V-RING NBR VS-020
฿18.00
610020N VS-020 VS NBR
V-RING NBR VS-007
฿16.00
610007N VS-007 VS NBR
V-RING NBR VS-150
฿240.00
610150N VS-150 VS NBR
V-RING NBR VS-090
฿124.00
610090N VS-090 VS NBR
V-RING NBR VS-055
฿64.00
610055N VS-055 VS NBR
V-RING NBR VS-030
฿22.00
610030N VS-030 VS NBR
V-RING NBR VS-014
฿18.00
610014N VS-014 VS NBR
V-RING VITON VS-035
฿205.00
610035V VS-035 VS VITON
V-RING NBR VS-190
฿328.00
610190N VS-190 VS NBR
V-RING NBR VS-120
฿183.00
610120N VS-120 VS NBR
V-RING VITON VS-018
฿117.00
610018V VS-018 VS VITON
V-RING NBR VS-075
฿93.00
610075N VS-075 VS NBR
V-RING VITON VS-005
฿88.00
610005V VS-005 VS VITON
V-RING NBR VS-040
฿42.00
610040N VS-040 VS NBR
V-RING VITON VS-140
฿2,300.00
610140V VS-140 VS VITON
V-RING NBR VS-022
฿20.00
610022N VS-022 VS NBR
V-RING VITON VS-085
฿929.00
610085V VS-085 VS VITON
V-RING NBR VS-008
฿16.00
610008N VS-008 VS NBR
V-RING VITON VS-050
฿451.00
610050V VS-050 VS VITON
V-RING NBR VS-160
฿258.00
610160N VS-160 VS NBR
V-RING VITON VS-028
฿157.00
610028V VS-028 VS VITON
V-RING NBR VS-095
฿135.00
610095N VS-095 VS NBR
V-RING VITON VS-012
฿113.00
610012V VS-012 VS VITON
V-RING VITON VS-180
฿4,000.00
610180V VS-180 VS VITON
V-RING NBR VS-060
฿75.00
610060N VS-060 VS NBR
V-RING NBR VS-032
฿29.00
610032N VS-032 VS NBR
V-RING VITON VS-110
฿1,527.00
610110V VS-110 VS VITON
V-RING NBR VS-016
฿18.00
610016N VS-016 VS NBR
V-RING VITON VS-070
฿722.00
610070V VS-070 VS VITON
V-RING VITON VS-038
฿229.00
610038V VS-038 VS VITON
V-RING NBR VS-199
฿390.00
610199N VS-199 VS NBR
V-RING NBR VS-005
฿16.00
610005N VS-005 VS NBR
V-RING VITON VS-020
฿135.00
610020V VS-020 VS VITON
V-RING VITON VS-007
฿88.00
610007V VS-007 VS VITON
V-RING NBR VS-130
฿198.00
610130N VS-130 VS NBR
V-RING VITON VS-150
฿2,500.00
610150V VS-150 VS VITON
V-RING NBR VS-080
฿102.00
610080N VS-080 VS NBR
V-RING VITON VS-090
฿1,030.00
610090V VS-090 VS VITON
V-RING NBR VS-045
฿51.00
610045N VS-045 VS NBR
V-RING VITON VS-055
฿511.00
610055V VS-055 VS VITON
V-RING NBR VS-025
฿20.00
610025N VS-025 VS NBR
V-RING NBR VS-010
฿16.00
610010N VS-010 VS NBR
V-RING VITON VS-030
฿165.00
610030V VS-030 VS VITON
V-RING VITON VS-014
฿113.00
610014V VS-014 VS VITON
V-RING NBR VS-170
฿280.00
610170N VS-170 VS NBR
V-RING VITON VS-190
฿4,500.00
610190V VS-190 VS VITON
V-RING NBR VS-100
฿152.00
610100N VS-100 VS NBR
V-RING VITON VS-120
฿1,637.00
610120V VS-120 VS VITON
V-RING VITON VS-075
฿784.00
610075V VS-075 VS VITON
V-RING VITON VS-040
฿451.00
610040V VS-040 VS VITON
V-RING VITON VS-022
฿143.00
610022V VS-022 VS VITON
V-RING VITON VS-008
฿88.00
610008V VS-008 VS VITON
V-RING VITON VS-160
฿3,500.00
610160V VS-160 VS VITON
V-RING VITON VS-095
฿1,133.00
610095V VS-095 VS VITON
V-RING VITON VS-060
฿583.00
610060V VS-060 VS VITON
V-RING VITON VS-032
฿205.00
610032V VS-032 VS VITON
V-RING VITON VS-016
฿117.00
610016V VS-016 VS VITON
V-RING VITON VS-199
฿5,000.00
610199V VS-199 VS VITON
V-RING VITON VS-130
฿2,000.00
610130V VS-130 VS VITON
V-RING VITON VS-080
฿852.00
610080V VS-080 VS VITON
V-RING VITON VS-045
฿451.00
610045V VS-045 VS VITON
V-RING VITON VS-025
฿148.00
610025V VS-025 VS VITON
V-RING VITON VS-010
฿88.00
610010V VS-010 VS VITON
V-RING VITON VS-170
฿3,500.00
610170V VS-170 VS VITON
V-RING VITON VS-100
฿1,287.00
610100V VS-100 VS VITON
V-RING VITON VS-065
฿671.00
610065V VS-065 VS VITON

V-RING S Type

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