DERSTRONG ENTERPRISE CO., LTD.

Oil indicator

Oil indicator
  • OS series
  • HEX series
  • OLI series

 OS-26 & OS-30

Oil indicator improves appearance and visibility since it made by the transparent special polyamide material.

Resistant to oil solvents, grease and other chemical agents. Max. working temperature:105 ºC (221 ºF) at normal pressure

Installation: plug-in
It can only be used in the oil tanks with small pressure or no pressure.


OS series construction


Model A B C D E Torlerance F M R Weight(g)
OS-26 7.5 3.5 18 6.5 Ø26 +1,-0 24.5 - - 8
OS-30 8.5 4 24 7.5 Ø26 +1,-0 31.5 - - 19

Unit of measurement:mm
HEX-M30 & HEX-M40


Installation: thread-in
The recommended torque is ≒ 1.5~1.8 kg-cm (0.147~0.176 Nm) when tightening the oil level indicator.


HEX series construction




Model A B C D E F L M R Weight(g)
HEX-M30 9 10 P1.5 35 30 24.5 - - - 8
HEX-M40 11.5 13 P1.5 47.5 41 31.5 - - - 19

Units of measurement:mm
OLI76 & OLI-127(Include the lock screw)
It can resist the acidity and alkalinity of oil but should avoid cleaning by alcoholic liquid.
Max. working temperature: 105ºC (221ºF) at normal pressure.
The recommended torque is 8 Nm when tightening the oil level indicator.




OLI series construction


Model A B C D E F L M R Weight(g)
OLI-76 23 16 28 M10 40 76 107 18 15.5 75
OLI-127 23 18 31.5 M12 78 128 163 25 18 132

Units of measurement:mm