NEWTON in-line rollover vent valve

68.00 

NEWTON D6.355 DH6 two-ball vent valve
The vent valve should allow air to enter the tank to replace the volume of fuel volume exiting the tank.
It should also allow the gases to escape from the tank in the event of over-pressure (due to heat, for example).
Intake: 9/16×18 AN6
Output: Tube 7 mm
A: 22 mm, B: 38.8 mm
C: 65.6 mm
Weight: 30.5 g
Air flow rate: 0.66 L/s