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Unlike other cartridge valve inserts, the dynamic insert extends above the manifold to allow access to the pilot port. It is this pilot port which pilots the poppet open or closed giving the dynamic feature. The pilot pressure is applied via the Z2 port on the manifold if there is no pilot valve or via the B port on the size 03 interface.
Piloting can be achieved by directly mounting a size 03 directional valve on the mounting pad with an ISO 4401, size 03 (ANSI/B93.7M-D03) interface which accepts any of the DG4V-3 valves. The Z2 port is used for remote control of the dynamic insert.
The dynamic insert can only be used with the special dynamic cover. The cover can also be offered with a stroke limiter for those applications where it is required to limit the stroke and hence the flow of the relevant insert. Dynamic function is suited for directional or check control functions requiring fast response.
