KLM-AVL type 
- This is an oil gauge incorporating an automatic stop valve mechanism for an old type L type oil gauge . 
- In the unlikely event that the gauge pipe breaks, the valve mechanism automatically operates to prevent the outflow of liquid. 
- The body uses brass, chrome plating finish, fluorocarbon rubber for seal packing, and pyrex glass for gauge pipe. 
KLM-AVLS type 
- The main body uses SUS 304, Teflon for seal packing, Pyrex glass for gauge pipe. 
- Compared to KLM-AVL type, chemical resistance is further improved.