1. Floating Ball Level Switch LSC21-4
2. Pressure switch PSP11
3. Pressure Transmitter Controller PTS31-SW
4. Electromagnetic Flow Meter FEA11
5. Flow Meter FEA21
6. Unit oil tank level gauge BNA11-550/3-SC
7. Magnetic flap oil level gauge BNA21
8. Magnetic flap level gauge BNA31-1000/3-SC for return tank
9. Intelligent Pressure Transmitter V6DP3E
10. Pressure Transmitter V6GP7S TAG：