Pulace
Pulace
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Technical drawing of Pulace

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Item Description
1.1 Seal face
1.2 O-Ring
1.3 Retainer
1.4 O-Ring
1.5 Adapter
1.6 Spring
1.7 O-Ring
1.8 Drive screw
2.1 Seat
2.2 O-Ring
2.3 Retainer
3 Drive collar
4 O-Ring
5 O-Ring
6 Set screw

Pulace

PDF data sheet

Features

  • Single seal
  • Balanced
  • Independent of direction of rotation
  • Stationary multiple springs
  • Springs and pins not in contact with the medium

Advantages

  • Stationary seat and/or seal face replaceable
  • Can be adopted under positive pressure or under back pressure
  • Operation in vacuum without additional seat locking possible

Operating range

Pressure: p = 10 bar (145 PSI)
Temperature:
t = -20 °C … +200 °C (-4 °F … 392 °F)
Sliding velocity: vg = 20 m/s (66 ft/s)
Viscosity: … 100 Pa·s
Solids content: … 20 %

Materials

Seal face and seat: Silicon carbide (Q1), Tungsten carbide (U7)
Secondary seals: EPDM (E)
Metal parts: CrNiMo steel (G)

Recommended applications

  • Highly concentrated black water
  • Green water
  • White water
  • Pulp suspensions
  • Chemical solutions
  • Alkaline solutions
  • Slurries
  • Highly viscous liquids
  • Sugar industry
  • Pulp and paper industry
  • Raw sludge pumps
  • Thick juice pumps
  • Conveying and bottling of dairy products