Medium oil has a viscosity of 3.7 cst is suitable for normal piston or rotary valves.
all berp biooil is:
Non-toxic
Petroleum-free
Plant Based (Biobased)
Contains essential oil that cleans as it lubricates
No adverse effect (no calcium build-up) on your valves whether they are nickel-plated, monel-plated, or raw brass .
Available in the widest range of viscosities on the marke