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.
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.
| 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. |
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.
| Part Number | 257640 |
|---|---|
| Product Type | Seal Kit |
| Container Size | 20 Litres (5 Gallons) |
| Seal Material | Polyurethane (Single Poly) |
| Manufacturer | Graco |
