The TVF-ASWGNMM is a TopWorx valve position switchbox with a tropicalised aluminium base and a clear resin lid. It is supplied without hazardous area approvals.
Position sensing is by two SPDT GO Switches with AS-Interface communication. The switchbox has a standard 90° visual indicator showing green for open and red for closed, a NAMUR 316 stainless steel shaft, two M20 conduit entries and silicone O-rings.