The units to be sold, which make valves and sensors, generate almost one-third of the company's sales.
Linked by the Internet, the units could generate a kind of weather map of radiation.
The profitable unit generated $350 million in revenue last year.
The unit generates delays of between 2 and 24 minutes, which should cover every eventuality.
Asea Brown estimates the two units will generate annual sales for the company of around $1.4 billion.
The units generated more than $1.5 billion in revenues in the fiscal year that ended on June 30.
The unit generated $200 million in premiums in the second quarter.
Together, the four units generate about $4 billion in revenue.
In fact, he said, analysts estimate that the unit generated only $187 million that year.
The unit primarily generates revenues in the form of management and incentive fees.