Project Description
- 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)
- Single seal configuration
- Balanced design
- Independent of direction of rotation
- For plain shafts
- Rotary metal bellows design