Single Spring Seal vs. Component Seal vs. Cartridge Seal
GOOD
Single Spring Seal
BETTER
Component Seal
BEST
Cartridge Seal
Positive
- Low initial cost
- Good alternative to packing
Positive
- Inexpensive initial cost
- Multiple springs for even loading on seal faces
- Springs outside of process fluid
- May be rebuildable
- Lower long-term costs (longer lasting and more reliable) than single spring seal
Positive
- No measurements to install
- Protected seal faces
- Multiple springs for even loading on seal faces
- Springs outside of process fluid
- May be rebuildable
- Lower long-term costs (longer lasting and more reliable) than single spring seal
Negative
- Single spring (less reliable)
- Spring exposed to process fluid
- Can damage exposed seal faces during installation
- Installation requires precise measurement
Negative
- Can damage exposed seal faces during installation
- Installation requires precise measurement
Negative
- Marginally higher initial cost
Want more information regarding mechanical seals?
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