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UFL850N
Standard Mechanical Seals

Product Description

  • Balanced
  • For shafts without a step
  • Independent of direction of rotation
  • Metal bellows rotating
  • Single seal

Details

Item Description 
1.1 Seal Face and Bellow Unit
1.2 O-Ring
1.3 Set screw
2 Seat (G9)
3 O-Ring

Technical Features

  • For extreme temperature ranges
  • No dynamically loaded O-Ring
  • Pumping screw for highly viscous media
    available
  • Self cleaning effect
  • Short installation length possible

Typical Industrial Applications

  • Chemical industry
  • Cold media
  • Highly viscous media
  • Hot media
  • Power plant technology
  • Refining technology

Standards

EN 12756

Materials

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)

Performance Capabilities

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)

U300N
 

Standard Cartridge Seals

Mechanical Seals As Per API 682

Split Seals

Engineered Seals For Demanding Applications

Standard Mechanical Seals For Pumps & Compressors

Mechanical Seals For Agitators, Mixers, Kneaders & Reactors

Supply Systems & Components

API 682 / ISO 21049

Technical Information