my goto trolling rod for salmon is a 8.5' fenwick 8-20lb line class rod. it was sold as a steelhead/salmon rod. if I'm not trolling the fly rod for silvers this is what I use.

its light duty for salmon... but can handle most anything up to 20 lbs.

I have always felt that in Puget Sound the odds of exceeding a 20 lb salmon are so low that I may as well gear down. so far it has never bit me... but it has lead to some really exciting times...