Flap Gate Weir at Huai Mai Teng Reservoir automationcontrolsystem 5 ปี ago The Huai Mai Teng Reservoir is located at Namphu, Mueang Ratchaburi, Ratchaburi province, Thailand. Due to the flap gate weir at the Huai Mai Teng Resovoir, its water allocation ability is increased to 8million cubic meter. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook