GB/T 21465-2008 English PDF

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GB/T 21465-2008: Terminology for valves
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21465-2008	799	Add to Cart	6 days	Terminology for valves	Valid

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Basic data

Standard ID: GB/T 21465-2008 (GB/T21465-2008)
Description (Translated English): Terminology for valves
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J16
Classification of International Standard: 23.060.01
Word Count Estimation: 36,311
Date of Issue: 2008-02-28
Date of Implementation: 2008-08-01
Older Standard (superseded by this standard): JB/T 2765-1981
Regulation (derived from): National Standard Approval Announcement 2008 No.3 (Total No.116)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard applies to all types of valves.

GB/T 21465-2008: Terminology for valves

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Terminology for valves ICS 23.060.01 J16 National Standards of People's Republic of China Valve term Posted 2008-02-28 2008-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

From the date of implementation of this standard, JB/T 2765-1981 "valve terminology" void. The standard proposed by China Machinery Industry Federation. The standard valve by the National Standardization Technical Committee (SAC/TC188) centralized. This standard was drafted. Hefei General Machinery Research Institute, Wuhan Boiler Group Valve Co., Ltd., Shanghai-valve Industrial Co., The company, Shanghai General Machinery Institute of Technology, Shanghai Neles JAMESBURY Valve Co., Ltd., Hangzhou Hua Hui Valve Co., Ltd. The main drafters of this standard. Huang Minya, Liu Xiaochun, Zhao Lu Zheng, Yang Hang, Kong Long-Biao, Wu Yu Qing, Chen Lilong, Hu Jun, Feng Yan. Valve term

1 Scope

This standard applies to all types of valves.

2 Terms

2.1 Used to control the pipeline medium, it has an overall mechanism of the movable mechanical products. 2.2 Valve Categories 2.2.1 Classification by structure 2.2.1.1 Opening and closing parts (gate) driven by the stem, along the seat (sealing surface) as a linear lifting movement of the valve. 2.2.1.2 Opening and closing parts (disc) driven by the stem, along the seat (sealing surface) linear axis of the valve lift movement. 2.2.1.3 By opening and closing parts (valve) movement, change the channel cross-sectional area, to regulate the flow valve, pressure. 2.2.1.4 Opening and closing parts (ball) driven by the stem, and the stem around the axis of rotation of the valve movement. 2.2.1.5 Opening and closing parts (disc) driven by the stem, and the stem around the axis of rotation of the valve movement. 2.2.1.6 Opening and closing parts (diaphragm) for the lifting movement along the axis of the valve stem in the valve that separates the through opening and closing parts (diaphragm) deformation of the operating mechanism and the medium valve. 2.2.1.7 Opening and closing parts (plug) driven by the stem, and the stem around the axis of rotation of the valve movement. 2.2.1.8 Opening and closing parts (valve) by means of medium force, automatically prevent backflow valve media. 2.2.1.9 When the medium pressure pipe or inside the device exceeds a predetermined value, the opening and closing parts (valve) automatically open the discharge medium; lower than a predetermined value, the opening and closing member (Valve) is automatically closed. Pipeline or equipment for protection valve. ......

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