Radium Engineering DSV Quick Fill Valve (Internal)
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Radium DSV 12AN ORB To 12AN Male - Quick Fill (Internal)
Radium Engineering builds motorsport hardware to uncompromising tolerances, and the DSV (Dump can Shutoff Valve) is no exception. This internally mounted quick fill valve is designed for rapid, mess-free fuelling using a dump can and dry break receiver — a staple in circuit racing and high-power time attack builds where pit stop efficiency matters.
This listing covers the Radium Engineering DSV 12AN ORB to 12AN Male Quick Fill (Internal), SKU 20-0535. It is designed specifically for fuel tanks with 12AN ORB female threaded ports, including the Radium 20-049X-XX FCST fuel cell surge tanks. This is the internal-mount variant and is intended for use with vented (pressureless) dry break receivers.
Note: This DSV is designed exclusively for use with vented dry break receivers. It automatically shuts off flow when the tank reaches capacity, but it is not compatible with pressurised filling systems.
Key Features
- 12AN ORB male inlet — threads directly into 12AN ORB female tank ports
- 12AN male outlet for dry break dump can connection
- Single-piece billet 6061 aluminium construction, Type-II anodised
- Dual ball valves provide automatic shutoff when the tank is full
- FKM Viton O-ring sealing — compatible with petrol, E85, methanol, and exotic fuels
- Stainless steel retaining ring included
- Fully disassemblable for cleaning and maintenance
- CNC machined in the USA to motorsport-grade tolerances
Compatible Mating Parts
- 20-049X-XX — Radium FCST Fuel Cell Surge Tank (12AN ORB female threaded)
- 20-0495-V — Radium Dry Break, 38mm (1.5 in), Female, Direct Mount, Vented
- 20-0504-V — Radium Dry Break, 38mm (1.5 in), Female, Remote Mount, Vented
- 20-0549-V — Radium Dry Break, 38mm (1.5 in), Female, Vented
Compatible parts and fitment notes are provided in the tabs above. Please confirm your tank's port thread specification and dry break configuration before ordering.
Not sure if this valve suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.
Vehicle Compatibility
Universal fitment — verify dimensions before ordering.
No instructions available for this product.

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