The DXP-Z21GNEB is a TopWorx valve position switchbox with a tropicalised aluminium enclosure. It is rated explosionproof / flameproof.
Position sensing is by two hermetically sealed DPDT GO™ Switches. The switchbox has a standard 90° visual indicator showing green for open and red for closed, a NAMUR 316 stainless steel shaft, two ¾" NPT conduit entries and Buna-N O-rings.
