(1) automation machinery- water piping illustration.
(2) plumbings- pressure reducing valve set, full open style silent check valve, pressure reducing valve, pressure sustaining valve, pressure relief valve, solenoid control valve, float valve, direct-ctivated pressure reducing valve.
(3) hand tools- L style water hammer arrester, I style water hammer arrester, T style water hammer arrester, angle valve style water hammer arresster.