Festo 4mm Ball Valve QH-QS-4

The Festo 4mm Ball Valve QH-QS-4 (153483) is a precision fuel-control valve designed for RC jet engines, delivering reliable fuel management for pilots who demand consistency and control in high-performance setups.

Features

• Model: QH-QS-4 with a 4 mm bore
• Part number: 153483
• Ball valve design for precise, repeatable fuel control
• Compact, lightweight construction ideal for RC installations
• Durable materials suited for common RC fuels
• Easy integration with standard 4 mm fuel lines
• Compatible with dedicated Festo ball valve mounts (mounts available)

Benefits

• Offers precise and reliable fuel flow to support consistent engine performance
• Improves throttle response and overall control in demanding flight conditions
• Minimizes fuel-system fluctuations for steadier operation during maneuvers
• Simple installation with compatible mounts and tubing
• Trusted Festo quality that supports long-term reliability

Take a look at our Festo valve mounts here.