Round Stainless Steel SFL850N Metal Bellow Seals, Color : Grey

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

Technical Features

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

Typical Industrial Applications

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

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)

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)