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Name of technical standard compiling organization for piston type regulating valve
| Name of organization or standard abbreviation International Electrotechnical Commission IEC International Organization for Standardization ISO National standards of the people's Republic of China GB Electric power industry standard of the people's Republic of China DL Energy industry standard of the people's Republic of China NB Water conservancy industry standard of the people's Republic of China SL Machinery industry standard of the people's Republic of China JB Petroleum industry standard of the people's Republic of China SY Metallurgical industry standard of the people's Republic of China YB 1.1.2 the technical standards used shall be the new version of Zui issued at the time of signing the contract. The thread of all screws, nuts, bolts, screws and relevant pipe fittings shall use GB standard. If the technical standards and requirements in the contract documents are inconsistent with the national standards and relevant industrial standards, the higher technical requirements shall prevail. If the seller adopts standards other than those in the contract, it can only be used with the consent of the buyer. The design, manufacture, factory inspection and product quality of the valve and its auxiliary equipment shall meet the following standards (but not limited to the following standards) GB / t1224 General requirements for pressure reducing valves GB / t1225 pressure reducing valve performance test method GB / t14478 basic technical conditions for inlet valves of large and medium sized hydraulic turbines JB / t8527 metal seal butterfly valve GB / t12238 flange and pair clamp connection elastic sealing butterfly valve JB / t12796 fixed cone valve GB / t13927 pressure test for industrial valves GB / t12252 supply requirements for general purpose valves GB 150 pressure vessel GB / T1047 definition and selection of DN (nominal size) of piping components GB / t1048 definition and selection of PN (nominal pressure) for piping components GB / t1184 shape and position tolerance Undeclared tolerance value GB / t1771 paints and varnishes Determination of resistance to neutral salt spray GB/T9113.1～9113.26 Integral steel pipe flange GB/T9115.1～9115.36 Butt welded steel pipe flange GB / t12220 marking of industrial valves GB / t12223 connection of driving device of partial rotary valve JB/T308 Valve model compilation method JB / t7748 valve cleanliness and measurement method JB / t8528 technical specification for common valve electric device Code for construction and acceptance of wiring of panel, cabinet and secondary circuit in electrical equipment installation engineering (GB 50171) GB/T 3797 Electrical control equipment |
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1.1.2 所用技術標準，應是簽訂合同時已頒發(fā)的zui新版本。所有螺釘、螺母、螺栓、螺桿和有關管件的螺紋應使用GB標準。本合同文件中的技術標準及要求，與國標及有關行業(yè)標準不一致的，以較高的技術要求為準。如果賣方采用合同以外的標準時，須買方同意方能使用。
閥門及其附屬設備的設計、制造、工廠檢驗和產(chǎn)品質(zhì)量應符合下列標準（但不限于）：
GB/T1224 減壓閥 一般要求
GB/T1225 減壓閥 性能試驗方法
GB/T14478 大中型水輪機進水閥門基本技術條件
JB/T8527 金屬密封蝶閥
GB/T12238 法蘭和對夾連接彈性密封蝶閥
JB/T12796 固定錐形閥
GB/T13927 工業(yè)閥門 壓力試驗
GB/T12252 通用閥門 供貨要求
GB150 壓力容器
GB/T1047 管道元件 DN（公稱尺寸）的定義和選用
GB/T1048 管道元件 PN（公稱壓力）的定義和選用
GB/T1184 形狀和位置公差 未注公差值
GB/T1771 色漆和清漆 耐中性鹽霧性能的測定
GB/T9113.1～9113.26 整體鋼制管法蘭
GB/T9115.1～9115.36 對焊鋼制管法蘭
GB/T12220 工業(yè)閥門 標志
GB/T12223 部分回轉閥門驅動裝置的連接
JB/T308 閥門 型號編制方法
JB/T7748 閥門清潔度和測定方法
JB/T8528 普通型閥門電動裝置技術條件
GB50171 電氣裝置安裝工程盤、柜及二次回路接線施工及驗收規(guī)范
GB/T 3797 電氣控制設備
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