Graco 255519 Kit, Cmpl. Seal, L500Ss
The Graco 255519 Complete Seal Kit contains the essential sealing and packing components required to rebuild and maintain the L500SS Check-Mate® 500 cc Stainless Steel Lower Pump, helping restore performance and prevent leaks.
- OEM Graco Part Number: 255519
- Designed for L500SS Check-Mate® 500 cc Lower Pumps
- Includes seals, packings, glands, and O-rings
- Helps maintain pressure and pump efficiency
- Reduces fluid leakage and component wear
- Ideal for routine maintenance and pump rebuilds
The Graco 255519 Kit, Cmpl. Seal, L500SS is a genuine OEM complete seal kit designed for rebuilding and maintaining the L500SS 500 cc Stainless Steel Check-Mate® displacement pump. This kit contains the essential sealing and packing components required to restore pump performance, maintain pressure integrity, and help prevent fluid leakage during operation.
Compatible Machines
The Graco 255519 Complete Seal Kit is designed for equipment utilizing the L500SS Stainless Steel Check-Mate® 500 cc Lower Pump, including:
- Graco bulk material supply systems equipped with the L500SS lower pump
- Graco adhesive supply systems using the L500SS pump configuration
- Graco sealant dispensing systems fitted with the L500SS lower
- Graco drum unloader systems utilizing the L500SS pump assembly
- Graco high-viscosity material transfer systems with L500SS displacement pumps
- Custom Graco installations built around the L500SS Check-Mate® pump platform
Kit Components
The complete seal kit includes a range of replacement wear components commonly required during pump servicing and overhaul procedures.
| Component Type | Purpose |
|---|---|
| O-Rings | Provide reliable sealing between mating components. |
| V-Packings | Help maintain pressure while reducing fluid bypass. |
| PTFE Packings | Offer chemical resistance and extended service life. |
| Piston Guide Bearing | Supports piston alignment during operation. |
| Acetal Seals | Assist in maintaining proper sealing performance. |
| Male & Female Packing Glands | Secure and support packing assemblies. |
| Piston Seal | Maintains pump efficiency and fluid control. |
| Valve Seal | Helps prevent leakage and supports proper valve function. |
Benefits of Replacing Worn Seals
- Restores pump sealing performance.
- Helps reduce costly fluid leaks.
- Maintains consistent operating pressure.
- Supports longer service life of pump components.
- Reduces unexpected maintenance downtime.
- Ensures reliable performance in demanding industrial applications.
Technical Information
| Part Number | 255519 |
|---|---|
| Product Type | Complete Seal Kit |
| Designed For | L500SS Check-Mate® Lower Pump |
| Pump Capacity | 500 cc |
| Material Compatibility | Stainless Steel Pump Assemblies |
| Manufacturer | Graco |
Frequently Asked Questions
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