Know your pump? START HERE 
OPEN SERVICES - for your damper, information on Torque Setting, Tighten Sequence, Secondary Containment Safety, Installation. 
OPEN
Find your Pump Factor -necessary in order to find the right damper
OPEN
Calculate Your Damper Volume - next step after finding your pump factor
UNDERSTANDING PULSATION:
OPEN Ways to go - Theory by Cartoon 
OPEN What type of damping - Flow? Pressure? Shock? Resonance?
OPEN Fun Way 