Liquid Dynamics - The Pulsation and Shock Analysis and Prevention Specialists\r\n\r\nLDi has been preventing shock, pulsation, pump start-up surge and water hammer for over 35 years. We offer both prevention hardware and software analysis.\r\nLiquid Dynamics inc. was formed in 1962 and has been dedicated to smoothing flow for the chemical process, hydrocarbon exploration and production, and hydraulic fluid power industries ever since. Dampers for pipelines up to 36", 15,000 psi. Prevent shock, surge and pulsation. True Thru-Flo pulsation preventors for pipe systems. Plants in the U.S. & UK both ISO 9001 certified ASME "U" stamp cerified plant in the U.S. Call Toll Free 1-888-DAMPERS.