How to read the reference of a v-ring seal?
VA = gasket shape
20 = shaft diameter on which gasket will be mounted (approximate)
NBR = material
How to read the suffixes of a v-ring? (type of rubber)
FOR OILS AND HYDROCARBONS
NBR = Nitrile = Butadiene rubber - Acrylonitrile
from -30°C to +110°C FPM = Viton = Fluorinated Rubber
from -20°C to +200°C
My seal does not make the dimensions indicated on the site, why?
The dimensions indicated for the V-RING type seal are those of the joint mounted.
They must therefore correspond to what is indicated on the technical sheet when the seal is mounted on its axis.