

Radium Engineering Duckbill Valve
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Description
Radium Duckbill Valve
Application: Universal – fits any 3/8" (10mm) hose barb
Part Type: One-way duckbill check valve
Part Number: 18-0026
The Radium Duckbill Valve is a one-way valve that prevents aeration and reduces fuel slosh noise. It is commonly fitted to the return hose inside a fuel tank, where it blocks fuel from flowing back out of the hose for improved fire safety.
When used with venturi jet pumps, the duckbill keeps air out of the vacuum chamber so the flow path is not disrupted. It is moulded from fluorosilicone and is compatible with all fuel types.
Key Features
- One-Way Flow: Blocks fuel backflow and prevents aeration
- Reduced Slosh Noise: Quietens fuel return flow inside the tank
- Venturi Jet Pump Compatible: Keeps air out of the jet pump vacuum chamber
- Fluorosilicone Construction: Compatible with all fuel types
- Low Opening Pressure: 0-1 kPa
- Universal Fitment: Installs onto any 3/8" (10mm) hose barb
What's Included
- 1x Duckbill valve
- 1x Zip tie
Important Notes
- Install the valve low on the end of the barb so the barb does not hold the valve open
- Secure the valve with the included zip tie
Vehicle Fitment
- Universal – see Application
If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.
Installation
We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.
Note
Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.

