I never used viton balls in my safety valves and I’m not sure if this results because of the pressure that the spring exerts on the ball crushing it. I do not know if the ball does not get a crease damaging the ball. Instead of the balls I use a stainless steel cone with success.
my youtube chanel “vapor vivo live steam A.D.V.Sebastião”
Edited By Avião Velho on 22/11/2011 23:05:43