MS-100 SSC Pump Seal – Centrifugal Pump Seal (Replaces U109-93SS)
The MS-100 SSC Pump Seal is a durable, high-quality mechanical seal designed for use in centrifugal pumps, including many SSC and Skidmore condensate and boiler feed pump applications.
As a direct replacement for U109-93SS, this seal is built to restore pump reliability by preventing leaks, maintaining suction integrity, and extending service life. The MS-100 is a versatile part with many uses across pump models and assemblies, making it a trusted choice for both repair technicians and maintenance professionals.
Key Features ✅
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✅ Centrifugal pump seal for SSC, Skidmore, and other pump applications
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✅ Replaces U109-93SS for direct compatibility
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✅ OEM-quality construction for reliable sealing and long service life
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✅ Prevents leaks and reduces pump downtime
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✅ Versatile use – compatible with multiple pump types and sizes
Technical Specifications 📝
| Specification | Value |
|---|
| Part Number |
MS-100 |
| Type |
Centrifugal Pump Mechanical Seal |
| Replaces |
U109-93SS |
| Application |
SSC & Skidmore condensate and boiler feed pumps (plus other centrifugal pump models) |
| Function |
Maintains shaft seal, prevents leaks, and protects pump integrity |
Common Symptoms Solved ⚡
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❌ Fluid leaks around pump shaft
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❌ Excessive wear on bearings or impeller due to seal failure
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❌ Reduced suction and poor pump efficiency
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❌ Increased downtime from repeated service needs
Shopping Tips 🛒
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✅ Match part numbers – The MS-100 replaces U109-93SS. Always confirm before ordering.
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✅ Inspect seals during service – Replace if signs of wear, cracks, or leaks are present.
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✅ Stock extras – Mechanical seals are critical to pump operation and ideal to keep on hand.
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✅ Pair with gaskets – When replacing seals, also check flange gaskets to prevent future leaks.
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✅ OEM-quality matters – Using proper seals protects pump performance and prevents costly damage.
Frequently Asked Questions (FAQ) ❓
Q: What does the MS-100 pump seal replace?
✅ It is a direct replacement for U109-93SS.
Q: What pumps use this seal?
✅ The MS-100 is used in SSC and Skidmore condensate/boiler feed pumps, as well as other centrifugal pump models.
Q: What are signs my seal has failed?
✅ Look for fluid leaks around the shaft, unusual noise, reduced suction, or visible wear.
Q: Is this an OEM seal?
✅ Yes, it is manufactured to OEM specifications for reliable fit and performance.
Q: Can I reuse my old seal?
✅ No. Mechanical seals should always be replaced when worn or damaged.
