
GO Fill|AMPRAS502
GO FILL ANTI SYPHON VALVE DN50 (2") BSP F Cast Iron 1.8m - 3m Head Pressure AMPRAS502
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Email sales@goind.com.au or call 07 3204 2240 for live availability.
Ships from Brisbane warehouse. Standard delivery 2-5 business days Australia-wide.
GRAVITY FEED PROTECTION AT A VALUE PRICE
Cast iron anti-syphon valve for 2 inch BSP female connections, rated for 1.8m to 3m head pressure. Protects fuel tanks from reverse flow during gravity dispensing.
Stops reverse flow
When you shut the nozzle on a gravity feed system, fuel wants to syphon back into the tank. This valve breaks that flow, keeping your hose primed and your tank from overfilling. Cast iron body handles everyday diesel and petrol duty.
Fits typical setups
Rated for 1.8m to 3m head pressure, which covers most ute-mounted tanks and low trailers. 2 inch BSP female threads match standard fuel hose fittings. Install inline between your tank outlet and hose reel or nozzle.
Features & Benefits
Key Features
- 2 inch BSP female connections
- Cast iron body
- Rated for 1.8m to 3m head pressure
- Anti-syphon function
- Gravity feed compatible
- Inline installation
Benefits
- Stops fuel draining back after dispense
- Fits standard 2 inch BSP plumbing
- Suits typical ute tank and trailer setups
- Protects against overfill and spillage
| Head Pressure Range | 1.8m to 3m |
| Connection | 2 inch BSP female inlet and outlet |
| Body Material | Cast iron |
| Application | Gravity feed fuel systems |
| Function | Prevents reverse syphon when nozzle shuts |
| Installation | Inline between tank and hose reel or nozzle |
Shipping & Dimensions
Ships from Brisbane warehouse. Standard delivery 2-5 business days.
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Frequently Asked Questions
Can't find your answer?
Contact UsWhat is the GO Fill anti-syphon valve?
A cast iron valve that stops fuel flowing backward through your gravity feed line when the nozzle closes. Rated for 1.8m to 3m head pressure with 2 inch BSP female threads.
Why do I need an anti-syphon valve?
Without one, fuel can syphon back into the tank after you shut the nozzle, causing drips, overfills, or hose issues. This valve breaks the syphon effect and keeps the system clean.
What head pressure does this suit?
1.8m to 3m head. That covers most ute tanks and low-profile trailers. If your tank sits higher, contact us for options.
What thread size?
2 inch BSP female both ends. Fits standard 2 inch fuel hose and fittings.
What warranty and support?
12-month manufacturer warranty on defects. Seals are consumables. For advice or bulk orders, contact sales@goind.com.au or 07 3204 2240.











