1. The bottom valve is installed at the bottom of the oil suction pipeline of refueling machine tank to prevent the oil level from declining.
2. The dual valve design which can provide additional protection is the ideal choice during installation. Not subject to influences, the valve is guaranteed with higher reliability.
3. The bottom valve providing accurate hard sealing is recommended to be used on oil suction pipelines with pressure up to 15PSI.
4. All the bottom valves are checked with air pressure to guarantee its accuracy.
5. The filter can protect the valve against attack from impurities and scraps.
6. 100% factory inspection.