Request a catalogue

Available Catalogues

Category

Show Less

Brand

  1. ATL (11)
  2. Automotive Plumbing Solutions (1)
  3. Goodridge (1)
  4. Mocal (11)
Show Less

Price

¥910 ¥72281

Category

Showing All

Brand

Showing All

Price

Showing All

Breather, Vent & Rollover Valves

Showing 24 of 24 items
Filter
Mocal Fuel Tank Pressure Relief Valve
JP¥8,191 Ex VAT JP¥8,191 INC VAT
Mocal In Line Fuel Tank Breather Valve
JP¥7,188 Ex VAT JP¥7,188 INC VAT
Mocal In Tank Breather Valve
JP¥5,640 Ex VAT JP¥5,640 INC VAT
Mocal In Tank Breather Valve
JP¥4,871 Ex VAT JP¥4,871 INC VAT
Mocal VR Series Roll Over Valve
JP¥23,957 Ex VAT JP¥23,957 INC VAT
ATL  Tank Vent Valve
JP¥5,834 Ex VAT JP¥5,834 INC VAT
Mocal VR Series Roll Over Valve
JP¥20,007 Ex VAT JP¥20,007 INC VAT
Automotive Plumbing Solutions Roll Over Vent Valve
From JP¥4,844 Ex VAT From JP¥4,844 INC VAT
Mocal 7/16" Breather Valve
JP¥5,640 Ex VAT JP¥5,640 INC VAT
ATL  Tank Vent Valve
JP¥38,792 Ex VAT JP¥38,792 INC VAT
Goodridge Roll Over Valve
From JP¥72,281 Ex VAT From JP¥72,281 INC VAT
Mocal VR Series Roll Over Valve
JP¥20,007 Ex VAT JP¥20,007 INC VAT
Mocal In Tank Breather Valve
JP¥7,309 Ex VAT JP¥7,309 INC VAT
Mocal Fuel Tank Breather Valve - Small
JP¥3,806 Ex VAT JP¥3,806 INC VAT
Showing 24 of 24 items
Filter

Breathers, vent valves, and rollover valves are crucial components in motorsport vehicles, designed to ensure safe and efficient fuel system operation. Breathers allow for the release of excess pressure from the fuel tank, preventing deformation or damage while maintaining a sealed environment to minimise fuel evaporation and contamination. Typically constructed from high-strength, corrosion-resistant materials like anodised aluminium or stainless steel, breathers are designed to withstand the harsh conditions of motorsport racing.

Vent valves control the flow of air in and out of the fuel tank, ensuring that the tank remains at atmospheric pressure as fuel levels change. These valves prevent vacuum lock and ensure consistent fuel delivery to the engine. Advanced vent valves are equipped with pressure and vacuum relief settings, allowing them to respond accurately to changes in tank pressure. The use of high-quality materials and precision engineering ensures that these valves function reliably under high-pressure and high-temperature conditions typical in motorsport environments.

Rollover valves are safety devices designed to prevent fuel leakage in the event of a vehicle rollover. These valves automatically close when the vehicle is inverted, stopping fuel from escaping through the breather or vent lines. Constructed from robust materials such as stainless steel or high-grade polymers, rollover valves are designed to operate reliably under extreme conditions. They incorporate a gravity-actuated mechanism that ensures immediate response in the event of a rollover.

Integration of breathers, vent valves, and rollover valves into the fuel system is critical for maintaining safety and performance in motorsport vehicles. These components are connected using high-quality fittings and hoses to ensure leak-free operation. The precise design and engineering of these parts ensure that the fuel system remains pressurised correctly and safe, even under the most demanding racing conditions, thereby preventing fuel spills and ensuring consistent engine performance.