High pressure heater in-let valve
When the high pressure heater is broken , the high pressure water supply to the heater will be cut quickly ,the water will enter the boiler through the by pass to protect the high pressure heater.The valve adopts the Japanese power Valve standard E101, with the better flowability and the seal is reliable, driven with the hydraulic or the electric ,so the closing time is short ,used in high temperature and high pressure circumstance.
C12A main steam valve
This kind of steel is a casting material of P91, with the better performances of high temperature anti-oxidation ,high-temperature creep rupture strength, thermal conductivity and the lower performances of thermal expansion .There is no casting in Chinese. Our company have developed this kind of steel and  manufactured the valve of this steel.
Nominal size 1.3 meter,edium-pressure,motor-operated gate valve
This kind of valve adopts international API600, national GB12234, the body of the valve is elliptical, the structure is reasonable and compacted。According to the characteristic of big size diameter, the body and the shaft adopt the fission structure. the weight of the valve is 12.8 ton, the high of the valve is 8 meter, which is the biggest in the Chinese casting steel middle pressure valves.
Extraction check valve used in power station steam turbine system
This kind of valve is used to the extraction pipe in the power plant for protecting the safety of the turbin, which is the key equipment for the power plant .The disc of the valve has the automatic rush performance, the pole and the shaft of the air jar is connected without restriction .The structure of push resistant seal and closed –open pneumatic packet, the controlling loop can adjust the pressure and the speed .The valve can be closed and open swiftly . the time of the close ≤0.5s.

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