Gold Member Since 2014
Audited Supplier
Xiamen Xlong Seal Co., Ltd.

V Seal, Rubber, V Ring Seal manufacturer / supplier in China, offering V Ring in Hydraulic Seal, Molded Rubber Silicone Plastic Parts for Pump, Bsp Bonded Seal for Hydraulic Fitting Adapter and so on.

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Supplier Homepage Product V ring V Ring in Hydraulic Seal

V Ring in Hydraulic Seal

FOB Price: US $0.3 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $0.3/ Piece
Get Latest Price
Port: Xiamen, China
Production Capacity: 30000000/Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: Customized
  • Application: Cylinder, Equipment Seal
  • Performance: Wear
  • Standard: Standard, Nonstandard
  • Shape (for Gasket): Ring Gasket
  • Color: Pantone Code Available
  • Workmanship: by Mold Vulcanization
  • Tracebility: ERP and Barcode System
  • Trademark: XLONG
  • Specification: standard and nonstandard
  • HS Code: 40169310
  • Material: NBR
  • Type: Rotary Seal
  • Shape: V Ring
  • Style: V Ring Seal
  • Function: Fixed Sealing
  • Hardness: Shore a 60-80
  • Certificate: Ts16949;SGS;RoHS;Reach;Norsok M-710
  • Usage: Shaft Seal
  • Transport Package: Polybag and Carton
  • Origin: China
Product Description
V ring in hydraulic seal

Wholesale v ring with different material

1. Compound from world class suppliers, NBR, EPDM, VITON (FKM), HNBR, Silicone, etc material and PANTONE code available, hardness from 30 to 95 Shore A. Imported compound from 3M, DuPont, Bayer, Daikin and Dow Corning, etc.
2. Metric and customize size available.
3. Strict material traceability in ERP and barcode system.
Materials &
Temperature Ranges
Fluid Examples
Suitable WithNot Suitable With
Nitrile (NBR)
-40ºC to 120ºC
-40ºF to 248ºF
Petroleum Oils
Hydraulic Oils
Brake Fluids
Phosphate Esters
Strong Acids (H2S)
Hydrogenated Nitrile (HNBR)
-40ºC to 150ºC
-40ºF to 302ºF
Petroleum Oils
H2S (10%)
Polar Solvents
Brake Fluids
Strong Acids
Ethylene Propylene(EPDM)
-50ºC to 150ºC
-58ºF to 302ºF
Brake Fluids
Water/ Hot Water
Mineral Oils
Ozone at High Temperatures
Fluoroelastomer (FKM)
-20ºC to 200ºC
-4ºF to 392ºF
Petroleum Oils
Silicone Oils
Brake Fluids
Ammonia Gas
Perfluoroelastomer (FFKM)
-20ºC to 320ºC
-4ºF to 608ºF
Most MediaLiquid Sodium & Potassium
Fluorinated Solvents &
Silicone (VMQ)
-70ºC to 220ºC
-94ºF to 428ºF
Vegetable Oil
Acids &Alkalis
Hot Water & Steam (>120ºC)
Neoprene (CR)
-40ºC to 120ºC
-40ºF to 248ºF
Aromatic Hydrocarbons
Polar Solvents
-200ºC to 280ºC
-148ºF to 536ºF
Most MediaFluorine
Molten Alkali Metals
Strong Oxidizing Agents
Polyurethane (PU)
-40ºC to 90ºC
-40ºF to 194ºF
Most Petroleum OilsBrake Fluids
Hot Water
-70ºC to 260ºC
-94ºF to 500ºF
Most MediaHydrochloric, Nitric &
Sulfuric Acids

A V-ring consists of a seal body, a flexible, conical-shaped sealing lip and an integral, resilient "hinge". It is stretched and installed
Directly on the shaft, where it is held in place by the inherent tension of the seal
Body. It rotates with the shaft and seals axially against a stationary counterface.
The counterface can be the end face of a bearing, a washer, stamping, bearing
Housing, or even the metal case of a radial shaft seal.
The flexible sealing lip applies contact pressure against the counterface that is
Relatively low but sufficient enough to maintain the sealing function. The light
Contact pressure even enables the seal to run dry in some low-speed applications resulting in insignificant torque drag or heat build-up. The contact pressure varies with the fitted width.
The flexible lip and hinge provide adequate sealing even in applications with
Considerable end play and shaft misalignment.
As a result of centrifugal force, the contact pressure of the lip decreases as speed increases. This means that friction losses and heat are kept to a minimum, resulting in improved wear resistance and extended service life. The power loss reaches its maximum at a shaft speed of approximately 12 m/s (2 360 ft/min) and is thereafter gradually reduced up to 20 m/s (3 900 ft/min), where it will decrease to zero. The V-ring then serves as a gap-type seal and deflector.

Standard designs
VA, the most common type of V-ring, has a standard cross section and straight back sideface. VA is typically used
To protect bearing arrangements in gearboxes, electric motors and drives.
VS, that has a standard low cross section, tapered back face and wide body,
Providing a firm hold on the shaft. VS is commonly used in agricultural and
Automotive applications.
VL, designed with a very compact axial cross section. VL is commonly used in
Confined spaces to replace labyrinth seals.

Main V-ring functions
V rings are suitable for both grease and oil lubricated applications. For sealing
Grease lubricated bearing arrangements and protecting against contaminants, the
V-ring should be arranged outside the housing cover or housing wall. Dust, water
Spray and other contaminants can be excluded in this position. The V-ring can also act as a grease valve, where used grease or excess new grease
Can escape between the counterface and the sealing lip. The installation of two
Opposing V-rings can be used in applications where lubricant retention and contaminant
Exclusion are of equal importance.
If V-rings are used to retain oil, they should always be located axially on the shaft on
The lubricant side.
V-rings should not be submerged in the application medium.
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