GB/T 43683.4-2025 Guidance for installation procedures and tolerances of hydroelectric machines—Part 4:Vertical Kaplan or propeller turbines

Scope

This document provides the general installation procedures and tolerance requirements for vertical axial flow turbines with adjustable or fixed-blade propellers. There are many methods of installing the unit, and this document describes a common installation process. In this document, "turbine" refers to vertical axial flow turbines with adjustable or fixed-blade propellers. The dimensions of the unit components, the design of the unit, the layout of the power station, or the delivery time of the components may result in the addition of extra steps, the cancellation of certain steps, and/or changes to the installation sequence.
This document is only binding if both parties agree.
This document is not applicable to purely commercial purposes, unless it is inextricably linked to the installation of the unit.
The tolerances specified in different documents may vary. The tolerances in this document are based on general practices and experience.
Regardless of whether this document stipulates that the manufacturer should provide documents, drawings, or information, each manufacturer shall provide the necessary relevant materials for the equipment they supply.

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