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Features
Cartridge design
Single seal
Balanced
Dependent on direction of rotation
Integrated pumping device
Stationary spring loaded unit
Inserted seal face
Rotating carbon seat
Advantages
Deformation-optimized seal for high sliding velocities and medium pressures
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 / seal face 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* = 120 ... 250 mm (4.72" ... 9.84")
Pressure: p1 = 50 bar (725 PSI)
Temperature: t = 300 °C (572 °F)
Sliding velocity: vg = 65 m/s (213 ft/s)
Axial movement: ±3 mm
* Other sizes on request
Materials
Seal face: Silicon carbide (Q), SiC-C-Si Silicon impregnated carbon (Q3)
Seat: Carbon graphite resin impregnated (B),
SiC-C-Si Silicon impregnated carbon (Q3)
Secondary seals: EPDM (E), FFKM (K)
Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G)
Recommended applications
Power plant technology
Oil and gas industry
Refining technology
Petrochemical industry
Chemical industry
Boiler feed water with low conductivity
Boiler feed pumps
Service
Provide special design
According to the requirements and conditions for the custom processing
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