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GB/T 30141-2013: Fundamental technical requirements for ring gate of hydraulic turbines
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GB/T 30141-2013: Fundamental technical requirements for ring gate of hydraulic turbines

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Fundamental technical requirements for ring gate of hydraulic turbines ICS 27.140 K55 National Standards of People's Republic of China Turbine Cylinder Valve basic technical conditions Issued on. 2013-12-17 2013-05-14 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Electrical Equipment Industrial Association. This standard by the National Standardization Technical Committee turbine (SAC/TC175) centralized. This standard is mainly drafted by. Harbin Electric Machinery Co., Ltd., China Hydropower Engineering Consulting Group Survey and Design Institute of Kunming, China Hydropower Engineering Consulting Group Chengdu Survey and Design Institute, Dongfang Electric Group, Dongfang Electrical Machinery Co., Huaneng Lancang River Hydropower Co., Ltd. The main drafters of this standard. Pu Chunguang, Mao Yubo, Wu race wave, Jiangdeng Yun, Lin Hongde, right monarch cases Kushiro Yimin, high Hongjun. Turbine Cylinder Valve basic technical conditions

1 Scope

This standard specifies the basic technical conditions and model designation of Turbine Cylinder valves. This standard applies to nominal diameter 3000mm above the cylindrical valve.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 150 (all parts) pressure vessel GB/T 191 Packaging - Pictorial signs GB/T 8564 Specification for installation of hydro-generating unit GB/T 2900.45 Electrotechnical terminology Hydropower Plant Equipment Quality turbine oil operation GB/T 7596 Power Plant GB/T 28546 and medium-sized hydropower units packaging, transport and storage specifications ISO 4406 Hydraulic Fluid Cleanliness Standards (Hydraulicfluidpower-Fluids-Mothodforcodingthelevelof contaminationbysolidparticles) ASMESECTION-Ⅷ-1 Boiler and Pressure Vessels Section Ⅷ Volume Volume 1. Rules for Construction of Pressure Vessels (Boilerandpres- surevesselcode-2010EditionⅧ-Rulesforconstructionofpressurevesselsdivision1)

3 Terms and Definitions

GB/T 2900.45, and the definition of the following terms applies to this document. 3.1 Cylinder Valve nominal diameter nominaldiameterofringgate Tubular valve outer diameter in millimeters (mm). 3.2 Maximum static head maximumstatichead Hst After the cylindrical valve is closed, the water column horizontal centerline water guide to the highest water level upstream of the formed high in meters (m). 3.3 The maximum hydrostatic pressure maximumstaticpressure pc After the cylindrical valve is closed, the horizontal centerline water guide to the maximum water level upstream pressure is formed, in megapascals (MPa). 3.4 The maximum transient pressure maximummomentarypressure pmmax During the transition, the maximum gauge pressure in the water guide produced at the horizontal center line, in megapascals (MPa). ...