The Newton rollover vent valve is a race-proven solution for professional motorsport fuel systems. It ensures safe and controlled venting of fuel, oil and water tanks while preventing pressure build-up or vacuum inside the tank.
Its compact design, lightweight construction and premium materials make this valve ideal for race cars, track day vehicles, rally cars and prototypes. The integrated internal float system effectively prevents fluid leakage during aggressive driving, cornering or roll-over situations.
Manufactured from anodised aluminium and equipped with Viton seals, the valve offers excellent resistance to fuels and extreme temperatures ranging from -40°C to +80°C. Vertical installation (±10°) on the top of the tank ensures optimal functionality and safety.
Typical Applications:
Technical Specifications
Mounting & Connection
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Fixing arrangement: Ø 5.0 mm standpipes (top)
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Thread: 5/16” UNF (bottom)
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Valve position: Vertical ±10° (top of tank)
Performance & Features
Materials
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Body: Aluminium alloy 6082/T6
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O-Ring: Viton A (FPM / FKM)
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Internal float ball: HDPE plastic (green)
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Washer: Stainless steel 316
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Retainer: Brass CZ1221
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Nut: Aluminium alloy 6063/T2
Dimensions
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Outside diameter (A): 17.5 mm
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Height (B): 29.0 mm
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Spigot diameter (C): Ø 5.0 mm
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Thread to casing (D): 5/16” UNF
