Permco Versa-Pak Dry Valves are used to permit compacting while roading (on the fly), while limiting heat buildup in the hydraulic systems during transport....

In an effort to reduce noise, simplify plumbing and improve the efficiency and the life of the dry valve pump, Permco has developed a by-pass valve that is ...

When a pump is subjected to a restricted inlet condition as in the case of units incorporating a dry valve setup, cavitation of the lubricating fluid will o...

When building a dry valve pump and extra seal is needed, a dry valve pump while in the dry mode of operation creates an internal vacuum which effects the sh...