Cannot order the VZ*9 valves, its no longer available.
A new line of VZ valves is now available.
The old VZ series valves have been replaced with a new. The old (VZ*9) is replaced by the VZ*19* (Either to VZ*19E (Flat face) or VZ*19C (Compression).
The MZ20 actuator range can still be used with the new valve range.