Based on this product's specifications, here are some alternatives and similar models
Valve actuator head Valvex 3/4" for cast-through valves model 0113080
Summary description:
Valvex actuator head for 3/4" cast-through (through) valves, model 0113080. Designed as a replacement or spare part for compatible Valvex cast iron through-valve assemblies. Provides mechanical interface between valve body and control mechanism; suitable for residential and light commercial heating and water distribution systems where 3/4" cast-through valves are used.