Graco 111620 Valve, Check – OEM One-Way Flow Control Valve
Compatible Machines
Used across multiple Graco fluid handling and dispensing systems:
- Graco Fluid Management Systems (Fluid Commander)
- Graco Pump Assemblies
- Graco Dispensing Systems
- Lubrication & Metering Systems
- Industrial Spray Equipment
Product Overview
The Graco 111620 Valve, Check is a high-performance one-way valve designed to allow fluid to flow in a single direction while preventing backflow. This ensures system efficiency and protects sensitive components from pressure fluctuations and reverse flow issues.
Key Features
| Part Number | 111620 |
| Type | Check Valve (One-Way) |
| Size | 1/2 inch (Typical) |
| Function | Prevents Backflow |
| Brand | Graco |
| Application | Fluid Control & Protection |
Key Benefits
- Prevents reverse fluid movement
- Maintains consistent system pressure
- Protects pumps and flow meters
- Improves system efficiency
- OEM precision for exact compatibility
Applications
This check valve is commonly used in fluid dispensing and lubrication systems where maintaining directional flow is critical. It is especially useful in systems with multiple meters, where it helps prevent flow interference and pressure imbalance.
Installation Guidelines
- Install in the correct flow direction (follow arrow marking)
- Ensure proper sealing at connections
- Use appropriate thread sealant if required
- Inspect periodically for wear or blockage
- Replace if performance drops or leakage occurs
Frequently Asked Questions
It allows fluid to flow in one direction while preventing backflow in the system.
It is used in pumps, dispensing systems, and lubrication setups to control fluid direction.
Yes, it is a genuine Graco OEM component designed for precise compatibility.
It prevents backflow, protects system components, and ensures consistent fluid performance.