Project Description
- Suitable for very 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
- Highly viscous media
- Hot media
- Power plant technology
- Refining technology
- 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),
Carpenter® 42 (T4), Hastelloy® C-4 (M)
- Sizes: d1 = Upto 150 mm (Upto 6.000’’)
- 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 (73 PSI)
p1 <400 °C (752 °F) 3 bar (44 PSI)
Stationary seat lock necessary - Temperature: t = -40 °C .. +400 °C (-148 °F .. +752 °F)
Speed = 20 m/s (66 ft/s)
- Single seal configuration
- Balanced design
- Independent of direction of rotation
- For plain shafts
- Rotary metal bellows design