GB/T 17213.10-2015Industrial-process control valves -- Part 2-4: Flow capacity -- Inherent flow characteristics and rangeability (English PDF)

Foreword

GB/T 17213 "Industrial process control valves" is divided into the following sections.

--- Part 1. Control valve terminology and general provisions (GB/T 17213.1);

--- Part 2-1. Flow capacity installed computing equations for fluid flow under conditions (GB/T 17213.2);

--- Part 2-3. Flow capacity - Test procedures (GB/T 17213.9);

--- Part 2-4. Flow capacity - Inherent flow characteristics and rangeability (GB/T 17213.10);

--- Part 2-5. Flow capacity between the fluid flowing through the recovery stage formula multi-level control valve (GB/T 17213.17);

--- Part 3-1. Dimensions two straight ball through the control valve from the flange face and two-way ball valve angle control center of the flange to the flange End face of the spacing (GB/T 17213.3);

--- Part 3-2. Dimensions rotary control valve end face (except butterfly) distance (GB/T 17213.11);

--- Part 3-3. Dimensions butt-type two-pass straight ball valve from the control terminal (GB/T 17213.12);

--- Part 4. Inspection and routine testing (GB/T 17213.4);

--- Part 5. Flag (GB/T 17213.5);

--- Part 6-1. positioners and control valve actuator connected to the installation details of the positioner mounted on linear actuators of (GB/T 17213.6);

--- Part 6-2. positioners and control valve actuator connected to the installation details of the positioner mounted on rotary actuators (GB/T 17213.13);

--- Part 7. Control valve data sheets (GB/T 17213.7);

--- Part 8-1. Noise considerations - Laboratory measurement within the aerodynamic flow through control valve noise generated (GB/T 17213.8);

--- Part 8-2. Noise considerations - Laboratory measurement within the hydrodynamic flow through control valve noise generated (GB/T 17213.14);

--- Part 8-3. Noise prediction method (GB/T 17213.15) aerodynamic flow through control valve generated noise considerations;

--- Part 8-4. Noise considerations hydrodynamic flow through control valve generated noise prediction method (GB/T 17213.16);

--- Part 9. Test procedure step input response measurement (GB/T 17213.18).

This section GB/T 17213 Part 2-4.

This section drafted in accordance with GB/T 1.1-2009 given rules.

This Part replaces GB/T 17213.10-2005 "Industrial process control valves - Part 2-4. Flow capacity inherent flow characteristics and Transfer ratio. " Compared with GB/T 17213.10-2005, the main technical changes are as follows.

--- Modify the scope of application (see Chapter 1, GB/T 17213.10-2005 Chapter 1);

--- Update the normative references;

--- Deleted the term "flow coefficient" content on Av (see 3.1, GB/T 17213.10-2005 3.1);

--- Added "Phi0" description (see 3.3);

--- Increasing the term "nominal slope" (see 3.7);

--- Fixed term "nominal slope" original text incorrect formula, log should be ln (see GB/T 17213.1 4.9.2);

--- Added "symbol" section (see Chapter 4);

--- Added "Manufacturers should n, m and make provision for value Phi0" requirement (see Chapter 5);

--- Added "Manufacturers can also put forward in addition to the stroke position of the outer flow coefficient," the description (see Chapter 5);

--- Added "inherent adjustable ratio" section (see Chapter 6);

--- Delete the original standard in Figures 1, 2 and 3 (see GB/T 17213.10-2005 Figure 1, Figure 2, Figure 3);

--- Added Figure 1, Figure 2.

This section uses the translation method identical with IEC 60534-2-4:2009 "Industrial process control valves - Part 2-4. Flow capacity inherent Flow characteristics and rangeability. " Correspondence between the consistency of the standards of international documents and normative references of the following documents.

GB/T 17213.9-2005 Industrial process control valves - Part 2-3. Flow capacity - Test procedures (IEC 60534-2-3.

1997, IDT)

This part is proposed by China Machinery Industry Federation.

This part of the country's industrial process control and automation Standardization Technical Committee (SAC/TC124) centralized measurement.

This section is responsible for drafting unit. Shanghai Institute of Industrial Automation Instrumentation.

Participated in the drafting of this section (in alphabetical order). Emerson Process Management (Tianjin) Valve Co., Ltd., Sichuan-Chongqing adjustment Valve Co., Ltd., Chongqing Shi Zhuang Instrument Co., Ltd., Fuyang South Valve Co., Ltd., Hangzhou Valve Co., Ltd., Shanghai valve special stream Body Control Valve Co., Ltd., Shanghai Automation Instrumentation Shares Automation Instrumentation seven plants, Tianjin proficient control Instrumentation Technology Co. Ltd., Wuxi Intelligent Automation Engineering Co., Wuzhong Instrument Co., Ltd., Zhejiang Australia Cheung Automation Technology Co., Ltd., Zhejiang send Waugh Automation Instrumentation Co., Zhejiang tripartite control valve Co., Ltd., Zhejiang Yongsheng Instrumentation Co., Ltd. Zhejiang Sino-German-controlled valves.

1 Scope

GB/T 17213 provisions of this part of the typical control valve inherent flow characteristics and description of methods inherent adjustable ratio, but also the provisions the formulation of guidelines to comply flow characteristics determined by the manufacturer of the method.

This section applies to all types of industrial process control valves.

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/T 17213.1-2015 Industrial process control valves - Part 1. Control valve terminology and general principles (IEC 60534-1:2005, IDT) IEC 60534-2-3 Industrial process control valves - Part 2-3. Flow capacity - Test procedures (Industrial-processcontrol valves-Part 2-3. Flowcapacity-Testprocedures)

3 Terms and Definitions

Terms and Definitions The following terms and definitions GB/T 17213.1-2015 defined apply to this document.

Flow coefficient (See GB/T 17213.1-2015, defined 4.6) 3.2 Rated flow coefficient (See GB/T 17213.1-2015, the definition 4.6.3) 3.3 the relative flow coefficient (Phi) relativeflowcoefficient (Phi) Phi0 is the relative stroke of the relative flow coefficient of 0%.

[See GB/T 17213.1-2015, the definition 4.6.4] 3.4 Travel itinerary (See GB/T 17213.1-2015, the definition 4.5.2) 3.5 Rated travel (See GB/T 17213.1-2015, the definition 4.5.3)