The TG120 transparent gauge uses LED backlighting for direct water-level indication in steam boilers and pressure vessels. Carbon-steel bodies and left- or right-hand arrangements are available. The catalogue lists A140-CS PN160 isolation valves in DN20 or DN25 for TG120, plus AV100/AV250 drain valves and a vent plug.

Options include double isolation, stainless-steel construction, customised process connections, alternative drain valves and a staggered arrangement.