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Features
Cartridge design
Single seal
Balanced
Dependent of direction of rotation
Integrated pumping device
Stationary spring loaded unit
Multiple springs
Shrink-fitted seal face
Advantages
Deformation-optimized seal for highest pressure levels
Economical due to standardized inner components
High flexibility due to adaptation of the connection parts to the pump seal chamber
Optimum heat dissipation due to integrated pumping device and optimized seat design
Insensitive to shaft deflections due to stationary design
Pre-assembled unit for quick and easy installation
Only small number of components
Operating range
Shaft diameter:
d1* = 40 ... 250 mm (1.57" ... 9.84")
Pressure: p1 = 150 bar (2,175 PSI)
Temperature: t = 350 °C (662 °F)
Sliding velocity: vg = 60 m/s (197 ft/s)
Axial movement: ± 3 mm
* Other sizes on request
Materials
Seal face: Carbon graphite antimony impregranted (A)
Seat: Silicon carbide (Q)
Secondary seals: EPDM (E), FFKM (K)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G)
Recommended applications
Oil and gas industry
Refining technology
Petrochemical industry
Chemical industry
Power plant technology
Boiler feed water
Boiler circulation pumps
Service
Provide special design
According to the requirements and conditions for the custom processing
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