Viking 4127A Universal Seal Pump

Max Capacity: 73 m³h

Max Pressure: 10 Bar

Max Viscosity: 440,000 cSt

Temperature Range: -120 to +500°C



Viking 4127A Universal Seal Pump Heavy-Duty Bracket Mounted Universal Seal

Viking 4127A Stainless Steel Non Jacketed Pumps 

The Viking 4127A Heavy Duty Pump is the most versatile of the internal gear pumps.

The Universal Product Line has the broadest range of sealing options of all pumps built by Viking. The stuffing box on all sizes accepts packing, numerous component single mechanical seals, or a wide variety of cartridge seals. The Universal Product Line is Viking Pump’s most versatile line of internal gear pumps due to the availability of many design and material options.



FEATURES & BENEFITS of the Viking 4127A Internal Gear Pump

  • Positive Displacement Internal Gear pumping principle handles a broad range of viscosities with constant flow rate 
  • Axial rotor thrust is controlled by double row ball bearing or tapered roller bearings; bushings provided a secondary point of radial shaft support 
  • Rotatable bearing housing provides easy rotor end clearance adjustment to compensate for viscosity or wear 
  • Numerous material options are available for bushings, idler pins, shafts, rotors, idlers and elastomers
  • Gear and pump geometry has been optimized based on more than 100 years of experience 
  • Footed stainless steel bracket provides rigid mounting to help maintain alignment, which extends seal and bearing life
  • Can use direct drive, gear reducer or gearmotor drive, or belt-drive
  • Pressure relief valve standard on non-jacketed pumps; less valve / plain head option available 
  • Series designed with an enlarged bearing housing; used in conjunction with a spacer coupling permits easy cartridge seal installation and removal in place without removing the head and rotor/shaft 
  • Seal options include packing, single component seals, cartridge lip seals and cartridge single and double mechanical seals; various seal flush plans are available
  • Stainless steel construction for reliable handling of corrosive liquids



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