Standard Mechanical Seals For Pumps & Compressors

UFL850N

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RoHS

UFL850N

Product Description

  • Single seal configuration
  • Balanced design
  • Independent of direction of rotation
  • For plain shafts
  • Rotary metal bellows design
Details
Item No. Description
1.1 Seal Face with bellows Unit
1.2 O-Ring
1.3 Set screw
2 Seat (G9)
3 O-Ring

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Technical Features
  • Suitable for high temperature application
  • No dynamically loaded O-Ring
  • Pumping screw for media with higher viscosity also available
  • Short installation length possible
  • Rugged design for long operating life
  • Bellows design efficiently ensure self-cleaning
  • Chemical industry
  • Cold media
  • Highly viscous media
  • Hot media
  • Power plant technology
  • Refining technology
  • EN 12756
  • Seal face: Carbon graphite antimony impregnated (A), Silicon carbide (Q12)
  • Seat: Silicon carbide (Q1)
  • Bellows: Inconel® 718 hardened (M6), Hastelloy® C-276 (M5)
  • Metal parts: CrNiMo steel (G), Duplex (G1), Hastelloy® C-4 (M)
  • Sizes: d1 = Upto 100 mm (Upto 4.000’’)
  • Externally pressurized:
    p1 = ... 25 bar (363 PSI)
  • Internally pressurized:
    p1 <120 °C (248 °F) 10 bar (145 PSI)
    p1 <220 °C (428 °F) 5 bar (72 PSI)
  • Temperature: t= -40°C...+220°C (-40°F...+428°F)
  • Stationary seat lock necessary.
  • Speed = 20 m/s (66 ft/s)

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