Unbalanced Sinusoidal Wave Seal for Johnson Top Lobe Rotary Pump
Hygienic Sealing Solutions:
This wave spring mechanical seal is highly compatible with the Johnson TopLobe (TL) 1, Johnson TopLobe (TL) 2 and Johnson TopLobe (TL) 3 pumps in demanding industries:
• Food processing lobe pumps (sauces, dressings)
• Dairy transfer seals (milk, yogurt)
• Pharmaceutical lobe rotor seals
• Viscous fluid handling systems
Product Description
• O-ring mounted sealing system with sinusoidal wave spring
• Bi-elastomeric stationary components
• Monolithic 316L steel head
Design Functionality:
• Shaft drive mechanism: Hex-key tightened set screws secure shaft connection
• Radial profile: Narrow cross-section
• Face loading: Wave spring delivers even circumferential pressure (±5% variance)
• Thermal compensation: Bi-elastomeric design accommodates ±1.5mm axial movement
Performance Benefits:
• Enhanced pV capability: 15-20% improvement over standard springs (per FSA test 2107)
• Abrasion resistance: Validated for 30μm particles in viscous media (ASTM G65 protocol)
• Installation efficiency: 25% shorter length vs. conventional lobe pump seals
Validated Applications:
• Rotary lobe pumps (≤18m/s shaft speed)
• Hygienic processing equipment
• Viscous fluid transfer systems
Equivalent Products
• Vulcan®: Type 1688Z
• EagleBurgmann®: Type M7KS60
*ISO9001-certified alternatives with 40% cost efficiency!
Material and Operating Range
Construction Materials:
• Rotary ring: SUS304/SUS316/SiC/TC
• Stationary ring: Carbon/SiC/TC
• O-ring: VITON/NBR/EPDM
• Wave spring and metal parts: SUS304/SUS316
* Customization for this part is supported, please contact us for changing parameters and materials.
Operating Envelope:
• Temperature: -40 ℃～200℃
• Pressure: ≤0.8MPa
• Speed: ≤18m/s (low-speed optimized)
• Performance: Wear
Media Compatibility:
• Edible oils & fats
• Dairy products & emulsions
• Food-grade viscous fluids
• Pharmaceutical suspensions
• Sanitary process water
Installation Dimensions
| PUMP ref: | Size | D1 | D3 | L1 | L2 |
| 10 | 30 | 48.0 | 41.0 | 19.1 | 10.3 |
| 20 | 35 | 55.0 | 45.5 | 19.1 | 12.0 |
| 30 | 50 | 72.0 | 61.9 | 21.1 | 12.0 |
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