Qingdao Power Station Valve Co., Ltd. Qingdao Power Station Valve Co., Ltd.

Stop Valve

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Regulating Valve

Regulating Valve

Power plant regulating valves mainly meet the dynamic requirements of flow, pressure, temperature, and direction of the medium in thermal power plants. They are typically classified into feedwater regulating valves, desuperheating regulating valves, steam drain regulating valves, blowdown regulating valves, auxiliary steam regulating valves, turbine bypass regulating valves, minimum flow valves for feedwater pumps, etc. Generally, regulating valves participate in closed-loop control analog regulation, and commonly used actuators include electric, pneumatic, hydraulic, electro-hydraulic, and other forms.

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Temperature and pressure reduction device

Temperature and pressure reduction device

Temperature and pressure reducing devices are widely used in cogeneration and central heating (or steam supply) as steam thermal parameter (pressure, temperature) conversion and waste heat recovery devices. This device reduces the steam parameters provided by the user to the appropriate temperature and pressure required by the user to meet user requirements.

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Temperature and pressure reduction device

Temperature and pressure reduction device

The desuperheating and pressure reducing device is a widely used steam thermal energy parameter (pressure, temperature) conversion device and an energy-saving device utilizing waste heat in combined heat and power (CHP) and central heating (or steam supply) systems. Through this device, the steam parameters provided by the user are reduced to the appropriate temperature and pressure required by the user, in order to meet their requirements.

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Turbine bypass system valve

Turbine bypass system valve

Bypass systems are generally divided into two series systems: high-pressure bypass and low-pressure bypass, with different capacity configurations. A bypass is a device that allows main steam to bypass the turbine and directly discharge to the condenser through desuperheating and pressure reduction. The drive methods include electric, pneumatic, and hydraulic. Generally, a bypass also has its own control cabinet. If the operation part is integrated into the DCS, it is also called a simplified bypass.

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