Unitex seal
Unitex seal

Features mechanical seal unitex

  • 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 mechanical seal unitex

  • 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
dimensions-mechanical-seal-unitex

Operating range mechanical seal unitex

  • 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 mechanical seal unitex

  • 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)
ItemDescription
1Bellows unit
1.1Seal face
1.2Bellows
1.3Drive collar
1.4L-ring (spring collar)
2Spring
3Seat (G60)
4O-Ring or corner sleeve
5Spacer ring
6Shaft sleeve
7O-ring
8Cover
9Gasket
10Drive collar
11Set screw
12Snap ring
13Assembly fixture
14Socket head screw
15Screw plug

Recommended applications seal unitex

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