The TVF-R20GNEM2A1 is a TopWorx valve position switchbox with a tropicalised aluminium base and a clear resin lid. It is rated intrinsically safe.
Position sensing is by two SPDT reed switch modules. 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 silicone O-rings.
It is fitted with two 24VDC pilots (fail last position) and a hard coat anodised aluminium spool valve rated 1.0 Cv with 1/4" NPT ports.
