When replacing Tyco DC98 and RP98 valves with Tyco DC03 and RP03 models, it's helpful to know the relative lengths to assess the installation's complexity. This is also helpful when its hard to alter ...

BSP (Most common pipe thread in NZ) BSP thread form stands for British Standard Pipe and is common in New Zealand and the commonwealth countries. It is based on "trade" size rather than actual diamete...

Galvanic Corrosion All metals have specific relative electrical potential. When metals of different electrical potential are in contact in the presence of moisture, a small electric current flows from...

In the world of control valves the Kv value expresses the amount of flow in a regulating valve at a given valve position with a pressure loss of 1 bar. The special situation with a fully open valve de...