The Festo H-QS-4 4mm check valve is a compact one-way valve designed to provide reliable fuel flow control in RC turbine jet aircraft. Engineered to prevent fuel backflow, this valve helps maintain consistent fuel delivery to your turbine engine while protecting critical fuel system components such as pumps, turbines, and fuel management systems.
Key Features
One-Way Fuel Flow Protection
The H-QS-4 check valve prevents reverse fuel flow, helping maintain stable fuel system operation and protecting sensitive turbine components.
Compatible with 4 mm Fuel Tubing
Designed for use with standard 4 mm RC fuel tubing commonly found in RC turbine jet fuel systems.
Push-to-Connect Installation
Features Festo’s convenient push-in connection design for fast, secure installation with clean and organized tubing layouts.
Compact and Lightweight Design
Its compact form factor makes it ideal for tight fuselage installations and streamlined fuel system routing.
Benefits for RC Turbine Jets
The Festo H-QS-4 helps improve fuel system reliability by maintaining proper one-way fuel flow throughout the aircraft. Its durable construction and dependable sealing performance help reduce the risk of fuel system issues during operation while simplifying installation and maintenance.
Durable Festo Engineering
Manufactured to Festo’s industrial-quality standards, the H-QS-4 delivers long-lasting durability and consistent performance in demanding RC turbine jet environments. Ideal for both new aircraft builds and fuel system upgrades.
Specifications
Brand: Festo
Model: H-QS-4
Type: One-way check valve
Tubing Compatibility: 4 mm fuel tubing
Connection Style: Push-to-connect
Application: RC turbine jet fuel systems
Ideal Applications
Perfect for RC turbine jet aircraft, fuel delivery systems, turbine fuel management setups, smoke systems, and other fluid routing applications requiring reliable one-way flow control.
