Unitex Mechanical Seal


Unitex Mechanical Seal

unitexFeatures

  • Single cartridge seal
  • Elastomer bellows
  • Unbalanced
  • Independent of direction of rotation Rotating spring
  • Bellows and spring free from torsion Metric and inch sizes available

Advantages

  • Straightforward and easy installation
  • Fits into any installation space due to smallest outer diameter
  • Important material certifications available Universal application opportunities (standardization)
  • No modifications of the pump's installation chamber necessary
  • Economical cartridge solution
  • Comes with flush connection acc. to API 682, Plan 11 for seal chamber cleaning and cooling

Recommended Applications

  • Chemical industry
  • Pulp and paper industry
  • Water and waste water technology
  • Sewage water
  • Cold and hot water
  • Water and waste water pumps
  • Cooling fluids
  • Beverages
  • Diluted lyes and acides
  • Suspensions with low solids content
  • Circulating pumps
  • Production of pressure oils for bio diesel fuels

Operating Range

  • Shaft diameter: dN = 25 … 75 mm (1" … 2.625")
  • Pressure: p1 = 12 bar (174 PSI)
  • Temperature: t = -20 °C … 140 °C (-4 °F … 284 °F)
  • Sliding velocity: vg = 10 m/s (33 ft/s)
  • Axial movement: ±0.5 mm

Materials

  • Seal face: Carbon graphite resin impregnated (B), Silicon carbide (Q1)
  • Seat: Silicon carbide (Q1)
  • Secondary seals: FKM (V), EPDM (E)
  • Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)

Standards and Approvals

  • FDA
  • KTW
  • WRAS
  • W279
  • NSF
  • ACS