Graco 257640 Kit, Seal, 20L, Single Poly
Graco 257640 Kit, Seal, 20L, Single Poly is a genuine replacement seal kit designed for 20-litre ram supply systems. It helps maintain a reliable platen seal for efficient material transfer and reduced air entrapment.
- Genuine Graco replacement part
- Designed for 20L (5-gallon) supply systems
- Single polyurethane platen seal configuration
- Supports consistent dispensing performance
- Helps reduce leakage and material waste
- Compatible with select S20 and D60 ram systems
The Graco 257640 Kit, Seal, 20L, Single Poly is a genuine replacement seal kit designed for Graco 20-litre supply systems that utilize a single polyurethane platen wiper. This kit helps maintain an effective seal between the platen and material container, reducing air entrapment while supporting smooth and efficient material transfer in adhesive, sealant, and dispensing applications.
Compatible Machines
- Graco S20 Single-Post Ram Supply Systems
- Graco D60 Dual-Post Ram Supply Systems
- Graco 20L Supply Units using single polyurethane platen seals
- Graco Check-Mate Supply Packages configured with 20L platen assemblies
- Graco Adhesive and Sealant Drum Unloaders utilizing 20L single polyurethane platens
- Various Graco bulk material dispensing systems designed for 20-litre containers
Key Features
- Designed for 20-litre material supply systems.
- Uses a durable single polyurethane wiper seal.
- Helps minimize material waste and air inclusion.
- Supports reliable platen sealing performance.
- Ideal for adhesive, sealant, and bulk material dispensing applications.
- Genuine Graco replacement component for proper fit and function.
Kit Components
| Component | Purpose |
|---|---|
| Polyurethane Wiper | Creates the primary seal between the platen and container wall. |
| Support Wiper | Provides additional sealing support and stability. |
| Spacer | Maintains correct component positioning. |
| Bottom Platen Plate | Supports the seal assembly. |
| O-Ring Packing | Helps prevent leakage and air intrusion. |
| Retainer Hardware | Secures the seal assembly during operation. |
| Lubricant | Assists with installation and seal performance. |
Applications
This seal kit is commonly used in industrial material handling systems where accurate dispensing and efficient unloading of adhesives, sealants, and other viscous materials are required. Replacing worn platen seals helps maintain system performance and prolong equipment life.
Technical Information
| Part Number | 257640 |
|---|---|
| Product Type | Seal Kit |
| Container Size | 20 Litres (5 Gallons) |
| Seal Material | Polyurethane (Single Poly) |
| Manufacturer | Graco |
Frequently Asked Questions
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