Chesterton HVS—High-Viscosity Cartridge Seal

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Chesterton HVS Cartridge Seal
Sealing Solution for High Viscosity Pumps

  

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Chesterton HVS uses an engineered polymer sealing element that can withstand high shear and torque conditions standard seal faces cannot. 

  • Withstands the torque, shear, and frictional heat common when sealing in viscous and dry run environments.  
  • Triple-contact sealing element  provides high-reliability sealing
  • Easy-to-use, versatile, and economical cartridge seal design
  • Field repairable
Triple contact, advanced polymer sealing element
High-torque capable
Shear-resistant
Capable of dry running
Automatic centering
Easy field repair
Designed to fit Viking pumps
Compact, adjustable gland
Removable bolt tabs
Suited for both oil- and water-based liquids
FDA sealing element available
​Sizes28 mm to 90 mm (1.125" to 3.500")
Pressure711 mm (28") Hg Vacuum to 10 bar g (150 psig*)
Temperature120° C  (250° F*)​​
Speed28 m/s (550 fpm)
*Seal pressure capabilities are dependent on the fluid sealed, temperature, speed, and seal face combinations.Temperature is dependent on elastomer type. For operation outside the limits and additional materials, consult Chesterton Mechanical Seal Engineering.

 

 

Article: What Determines Seal Leakage? (English)http://chestertondocs.chesterton.com/Rotating/What Determines Seal Leakage.pdfArticle: What Determines Seal Leakage? (English)pdf
Article: What is the impact of reliability on the sealing system energy footprint from pump shut down, repair and re-commissioning? (English)http://chestertondocs.chesterton.com/Rotating/What is the impact of reliability on the sealing system energy footprint from pump shut down, repair and re-commissioning.pdfArticle: What is the impact of reliability on the sealing system energy footprint from pump shut down, repair and re-commissioning? (English)pdf
Brochure: Chesterton High Viscosity Cartridge Seal (English)http://chestertondocs.chesterton.com/Rotating/sbhvs_EN.pdfBrochure: Chesterton High Viscosity Cartridge Seal (English)pdf
Chesterton: Catalogue of Products (Español)http://chestertondocs.chesterton.com/Rotating/ES22412_EME_Cat_2014.pdfChesterton: Catalogue of Products (Español)pdf
Brochure: Chesterton High Viscosity Cartridge Seal (Nihongo)http://chestertondocs.chesterton.com/Rotating/sbhvs_JA.pdfBrochure: Chesterton High Viscosity Cartridge Seal (Nihongo)pdf