1 Scope
This Standard specifies fundamental technical requirements and model compilation methods etc. for large and medium inlet valves of hydraulic turbine.
This Standard is applicable to the butterfly valve at a nominal diameter of inlet valve of hydraulic turbine of 1,000mm~10,000mm and the globe valve at a nominal diameter of 500mm~5,000mm. Butterfly and globe valves of others (including storage pump and pump-turbine) may refer to this Standard.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest editions of the normative documents (include all the amendments) apply.
GB 150 (all parts) Pressure Vessels
GB/T 191 Packaging - Pictorial Marking for Handling of Goods
GB/T 8564 Specification Installation of Hydraulic Turbine Generator Units
GB/T 15468 Fundamental Technical Requirements for Hydraulic Turbines
GB/T 2900.45 Electrotechnical Terminology - Hydroelectric Powerplant Machinery (GB/T 2900.45-2006, IEC/TR 61364:1999, MOD)
GB/T 28546 Specification for Package, Transportation and Storage of Large and Medium Hydraulic Units
HG 4-329 Rubber Sealing Products (Circular)
Book I, Volume VIII, ASME
3 Terms and Definitions
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Technical Requirements
5 Test
6 Installation and Operation
7 Supply Scope of Complete Set
8 Acceptance and Warranty
9 Nameplate, Packaging, Transportation and Storage
Appendix A (Normative) Model Compilation Method of the Inlet Valve
Appendix B (Informative) Spare Parts of Inlet Valve
