Graco 15B446 FDA Viton O-Ring Packing – Product Details & Compatibility
Compatible Machines
The Graco 15B446 FDA Viton O-Ring Packing is designed for Graco fluid-handling systems where a food-grade, chemical-resistant O-ring is required. It fits pumps, valves, and assemblies specifying part 15B446 for sanitary or high-purity applications.
- Graco pumps and fluid-transfer modules requiring FDA-approved elastomer seals
- Assemblies exposed to chemicals, coatings, or aggressive media
- Maintenance kits for high-cycle industrial or sanitary applications
Product Overview
The Graco 15B446 FDA Viton O-Ring Packing is an OEM component made from FDA-compliant fluorocarbon elastomer (Viton®/FKM). It offers chemical resistance, heat tolerance, and compression set resistance, maintaining system reliability in industrial and sanitary environments.
Key Features
- FDA-compliant Viton®/FKM material suitable for food, beverage, and pharmaceutical applications
- Resistant to high temperatures, chemicals, and frequent cycling
- OEM part ensures correct dimension and durometer
- Easy replacement preserves seal integrity without full component rebuild
Technical Specifications
| Part Number | 15B446 |
| Description | FDA Viton O-Ring Packing |
| Elastomer Material | Fluorocarbon (Viton®/FKM) – FDA compliant |
| Function | O-ring packing seal for high-purity or fluid delivery systems |
| Installed In | Graco pumps, valves, and assemblies requiring part 15B446 packing |
| Operating Temperature | Up to ~200 °C |
| Compliance | FDA & EC1935/2004 approved compounds |
Usage Notes
- Depressurize and isolate the system before servicing the O-ring.
- Inspect grooves, surfaces, and mating hardware for wear or residue before installation.
- Apply compatible lubricant lightly to ease installation and protect sealing surfaces.
- Ensure correct orientation and fit to maintain seal effectiveness and prevent leakage.
- Replace during routine maintenance or if the O-ring shows swelling, hardening, or chemical damage.
Frequently Asked Questions
It serves as a high-integrity O-ring sealing solution in Graco assemblies, providing FDA-compliant, chemical-resistant, and heat-tolerant performance.
Non-OEM alternatives may fit, but OEM 15B446 ensures correct specifications, FDA compliance, and reliable sealing under service conditions.
Replace if the O-ring shows swelling, hardening, cracking, extrusion, leakage, or fails to maintain a seal, especially in chemically aggressive or high-temperature environments.
