Graco 15B490 FDA 1590 Buna Ball
The Graco 15B490 FDA 1590 Buna Ball is a durable check-valve component designed for reliable one-way flow and FDA-compliant applications.
- Material: FDA 1590 Buna-N (nitrile) elastomer
- Prevents backflow and maintains consistent flow rates
- Durable under frequent cycling and moderate chemical exposure
- OEM replacement part for Graco 1590 series pumps
Graco 15B490 FDA 1590 Buna Ball – Product Details & Compatibility
Compatible Machines
The Graco 15B490 FDA 1590 Buna Ball is designed for check‑valve assemblies in fluid‑handling systems where food‑grade or sanitary standards apply. Suitable applications include:
- Graco Husky 1590 diaphragm pumps and similar assemblies specified for the 1590 series
- Pump assemblies or systems requiring Buna‑N (nitrile) check‑valve balls with FDA 1590 compliance
- Replacement or service kits for food‑grade, sanitary, or frequent‑cycle fluid transfer applications
Product Overview
The Graco 15B490 FDA 1590 Buna Ball is an OEM‑manufactured check‑valve ball made from Buna‑N (nitrile) elastomer and crafted to meet the FDA 1590 standard for sanitary or food‑grade pumping equipment. It ensures reliable one‑way flow control and sealing under conditions of moderate chemical exposure, frequent cycling, and stringent hygiene demands. Designed to match Graco’s original specifications for the 1590 series, it offers consistent performance, minimal leakage, and extended service life.
Key Features
- Buna‑N (nitrile) elastomer material, selected for compatibility with food‑grade and sanitary systems
- Manufactured to OEM tolerances for the 1590 series, ensuring proper fit and fluid performance
- Durable under frequent cycling, maintaining sealing integrity and minimizing downtime
- Prevents back‑flow and maintains consistent flow rates via the check‑valve mechanism
- FDA 1590 compliant component—suitable for hygienic environments and regulated fluid handling
Technical Specifications
| Part Number | 15B490 |
|---|---|
| Description | FDA 1590 Buna Ball – Check‑Valve Component |
| Material | Buna‑N (nitrile elastomer) |
| Function | Check‑valve sealing ball for one‑way fluid flow and back‑flow prevention |
| Installed In | Graco 1590 series pumps & check‑valve assemblies requiring FDA‑rated Buna seals |
Usage Notes
- Ensure the pump or system is fully depressurized before removing or replacing the ball to ensure safety.
- Inspect the seat bore, valve body and mating surfaces for wear, contamination or corrosion prior to installation.
- Clean all components thoroughly and ensure correct alignment during installation to maintain optimal sealing performance.
- After installation, run a test cycle under normal operating conditions and verify that the check‑valve is seating and sealing properly.
- Replace the ball when signs of wear, deformation, cracking, extrusion or leakage appear to ensure ongoing reliability.
Frequently Asked Questions
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