Unit No.8 of Zhunyi power plant is a superpressure reheat turbine(A151) manufactured by Shanghai Turbine Works
which was commissioned in August 1992.Its h.p.and m.p.sealing glands and blade tip sealing were modified with an American adjustable sealing.It has been approved by operation that.with this kind of American sealing
the friction between moving and stationary parts of turbine during start-up can be prevented
thus avoiding shaft bending and improving trubine effciency.