Pourrahnama defeated China’s Shihe Chen 16-3 in the final match of the Men's K44 -70kg.
Japan’s Shunsuke Kudo and Javokhir Alikulov of Uzbekistan won two bronze medals.
As the Asian Para Games returns to China for the second time following Guangzhou in 2010, nearly 3,100 athletes from 44 countries and regions are taking part across 22 sports and 564 events at the Hangzhou Asian Para Games, which runs through Oct 28.