- A spring can be easily replaced by virtue of its outer spring mechanism.
- Manual control is also available due to the provision of a hole outfitted in the cylinder rod.
- Ultra-compact design that saves space.
- A sheet ring is provided for use as a conventional valve.
- Fuel can be immediately shut down in case of an engine trouble.
- The safety of valve has been improved by reducing spring load due to the downward flow channel through the valve. Cost has been also cut by using a down sized spring.
- Smooth operation has been achieved by employing a sleeve down method.