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Installation Position Requirements for Turbine Globe Valve HQ14.01Z

Installation Position Requirements for Turbine Globe Valve HQ14.01Z

As one of the key components in the steam turbine system, the globe valve HQ14.01Z has the important responsibility of controlling steam flow, regulating pressure and flow. Its installation location in the steam turbine system is determined by multiple factors, including but not limited to the type, design, system layout, and safety and control requirements of the steam turbine. The following are some of the main considerations for determining the installation location of the globe valves.

temperature Regulating valve LWH-ZG12 (2)

  • Steam path: The stop valve is usually installed on the path from the boiler to the steam turbine to control the inflow of steam. The specific location may be at the inlet of the main steam pipeline or after the steam reheater, depending on the design of the steam turbine and the configuration of the steam system.
  • System safety: Safety considerations require that the stop valve can be closed quickly to prevent unnecessary flow of steam in an emergency, thereby protecting the steam turbine from damage by superheated steam. Therefore, the stop valve is often placed in a position that can quickly isolate the steam turbine from the steam source.
  • Maintenance and repair convenience: In order to facilitate daily maintenance and troubleshooting, the stop valve should be installed in a place that is easily accessible and does not affect other system components.
  • Control logic: In some steam turbine control systems, the position of the stop valve needs to work in conjunction with other control valves or sensors to achieve precise steam flow control and pressure regulation.

check valve LJC series (2)
The steam turbine stop valve HQ14.01Z is usually designed with the ability to close quickly, which is to meet the safety needs of quickly cutting off the steam supply in an emergency. The stop valve must be able to close completely within a few seconds to minimize the impact and damage to the steam turbine. To ensure the effectiveness of the quick closing, the stop valve is usually connected to the turbine’s protection system. Once overtemperature, overpressure or other emergency conditions are detected, the system will automatically trigger the closure of the stop valve.

globe valve SHV20 (1)

The installation position and quick closing requirements of the stop valve HQ14.01Z in the steam turbine system are key factors in ensuring the safe operation of the steam turbine. The optimal installation position can be determined by comprehensively considering the system layout, safety requirements, maintenance convenience and control logic. At the same time, the design and implementation of the quick closing capability ensures that the steam can be quickly isolated in an emergency and protect the steam turbine from damage.


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  • Post time: Jul-05-2024