Is the Belimo G780 suitable for steam applications

this positioner spring is compatible with VG7000 series valves (1/2" to 2") when they are equipped with a V-3000-8011 or similar pneumatic actuator and the corresponding V-9502 pilot positioner

and solenoid valve operation

The normally closed configuration and 24Vac spring return zone valve mechanism provide a reliable fail-safe

Armstrong Fluid Technology 110108MF-677 Pump L99H008 Is the Belimo G780 suitableThe Armstrong Fluid Technology 110108MF 677 Pump is a heavy duty 1 2 HP boiler header pump specifically engineered for high performance circulation in Raypak and Laars boiler systems. As a primary HVAC circulator pump, this direct replacement for 110108 677 features a rugged steel body motor designed to withstand the rigors of commercial and industrial hydronic heating. Operating at a consistent 1750 RPM, it utilizes a multi voltage 115 208 230V