Type 1678
Stepped shaft, balanced sinusoidal wave-spring, ‘O’-Ring mounted Mechanical Seal, similar to Type 1677, most commonly utilised in higher-pressure pump applications.
Vulcan Types 1677, 1677M and 1678 all have sinusoidal continuous wave-springs without joints or weld-spots, for maximum spring reliability.
Stocked as a standard assembly with “stepped-size down” Type 8 DIN LONG ‘O’-Ring seat with anti-rotation provision.
Features
- Double wave spring for strength and reliability
- Ideal for higher pressure pump applications
- Compact design for confined spaces
- Hydraulically-balanced Mechanical Seal faces
- Stepped face for stepped shafts
- General purpose Mechanical Seal
Operating Limits
- Temperature: -30°C to +140°C
- Pressure: Up to 40 bar (580 psi)
- For full Performance Capabilities please download data sheet
Limits are for guidance only. Product performance is dependent on materials and other operating conditions.
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