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GB 30439.4-2013: Safety requirements for industrial automation products -- Part 4: Safety requirements for control valve
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Safety requirements for industrial automation products -- Part 4: Safety requirements for control valve
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GB 30439.4-2013
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Basic data
| Standard ID | GB 30439.4-2013 (GB30439.4-2013) |
| Description (Translated English) | Safety requirements for industrial automation products -- Part 4: Safety requirements for control valve |
| Sector / Industry | National Standard |
| Classification of Chinese Standard | N10 |
| Classification of International Standard | 19.080; 25.040.01 |
| Word Count Estimation | 56,581 |
| Quoted Standard | GB/T 1633-2000; GB/T 4027-2003; GB 4208-2008; GB/T 4213-2008; GB 4793.1-2007; GB/T 5169.16-2008; GB/T 5465.2-2008; GB/T 11021-2007; GB/T 11918-2001; GB/T 12113-2003; GB/T 16842-2008; GB/T 16927.1; GB/T 16927.2; GB/T 16927.3; GB/T 16935.3-2005; GB/T 60027; |
| Regulation (derived from) | National Standards Bulletin 2013 No. 27 |
| 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 specifies the industrial process control valves anti-shock, mechanical hazards, flame spread outward from the device, over temperature, affect the fluid and fluid pressure, explosion and implosion of safety requirements. This standard does n |
GB 30439.4-2013: Safety requirements for industrial automation products -- Part 4: Safety requirements for control valve
---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.
Safety requirements for industrial automation products.Part 4. Safety requirements for control valve
ICS 19.080; 25.040.01
N10
National Standards of People's Republic of China
Safety requirements for industrial automation products
Part 4. Safety requirements for control valves
Issued on. 2013-12-31
2015-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Test 6
5 Marking and documentation 11
6 anti-shock 15
7 against mechanical hazard 26
8 resistant to mechanical shock and impact 26
9 to prevent the spread of flame 28
Temperature limit and thermal equipment 10 32
11 Anti-dangerous fluid 34
12 explosion and implosion protection 35
36 13 Component
Appendix A (normative) touch current measurement circuit (see 6.3) 39
Appendix B (normative) Standard test finger (see 6.2) 42
Annex C (normative) clearances and creepage distances measuring 44
Annex D (normative) during specified parts insulation requirements (see 6.4 and 6.5.2) 48
Reduce Appendix E (normative) Pollution degree 51
Annex F (normative) Routine tests 52
Foreword
All technical content of this part of GB 30439-2013 is mandatory.
GB 30439 "Industrial Automation product safety requirements" is divided into 18 sections as follows.
--- Part 1. General;
--- Part 2. pressure/differential pressure transmitter safety requirements;
--- Part 3. Temperature Transmitter safety requirements;
--- Part 4. Safety requirements for the control valve;
--- Part 5. flowmeter safety requirements;
--- Part 6. solenoid valve safety requirements;
--- Part 7. Safety requirements for instrument control;
--- Part 8. Safety requirements for electric actuators;
--- Part 9. Digital display instrument safety requirements;
--- Part 10. recording instrument safety requirements;
--- Part 11. Programmable Controller safety requirements;
--- Part 12. Echo Ranging (TOF) Level Meter safety requirements;
--- Part 13. magnetostrictive level gauge safety requirements;
--- Part 14. Power meter safety requirements;
--- Part 15. distribution of industrial process measurement and control, isolation, security requirements for signal conversion unit;
--- Part 16. Safety requirements for differential pressure flow meter;
--- Part 17. ultrasonic flow meter safety requirements;
--- Part 18. Safety requirements for pressure gauge auxiliary device.
This is Part 4 GB 30439's.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is proposed by China Machinery Industry Federation.
This part of the National Industrial Process Measurement and Control Standardization Technical Committee (SAC/TC124), the national measurement, control and laboratory electric
Device Security Standardization Technical Committee (SAC/TC338) centralized.
This section is drafted. Ningxia Yinxing Energy shares Wuzhong Instrument Company, Shanghai Automation Instrumentation Co., Ltd., Shanghai Automation Instrument
Table Research Institute of Instrumentation Technology and Economy Institute, Central-day instrument Co., Ltd., Sichuan-Chongqing Plant Co., heavy
Celebrate the Automation Instrumentation, Fujian on the Run Precision Instrument Co., Ltd.
The main drafters of this section. Wang Yong, including Wei-hua, Ding Shu Wei, Li Minghua, Wang Yumin, Yang Jianwen, Zhang Shishu, Liuzhong Gang, Ge Jian, Mei Ke,
Wang Jianhua, Liu Xiaojing, Cheng Yuk.
Safety requirements for industrial automation products
Part 4. Safety requirements for control valves
1 Scope
GB 30439 of the provisions of this part of the industrial process control valve against electric shock, mechanical hazards, flame spread outward from inside the device, over temperature,
Effect of fluid and the fluid pressure of the explosion and implosion safety requirements.
This section does not include security-related functions of the control valve reliability, performance, or other characteristics, the effectiveness of transport packaging, electromagnetic compatibility
(EMC) requirements, reliable function of the explosive environment protection measures, installation, commissioning and maintenance (repair), non-security control valve performance
Or other characteristics.
This section applies to electric actuator or pneumatic actuator and valve configuration, and the intended use according to the intended locator or electrical converters
Composed of a control 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.
Determination of GB/T 1633-2000 thermoplastics Vicat softening temperature (VST) of
GB/T 4207-2003 solid insulating materials under moist conditions index tracking of the measuring method and the proof tracking index compared
GB 4208-2008 shell protection (IP code)
GB/T 4213-2008 pneumatic control valve
GB 4793.1-2007 measurement, control and laboratory safety requirements for electrical equipment - Part 1. General requirements
GB/T 5169.16-2008 Fire hazard testing for electric and electronic products - Part 16. Test flames - 50W horizontal and vertical fire
Flame test methods
GB/T 5465.2-2008 Graphical symbols for electrical equipment - Part 2. Graphical symbols
GB/T 11021-2007 heat resistance, electrical insulation rating
GB/T 11918-2001 industrial plug and socket couplers - Part 1. General requirements
GB/T 11919-2001 industrial plug and socket coupling - Part 2. With pin and sleeve size interchangeable electrical accessories
Requirements
GB/T 12113-2003 touch current and protective conductor current measurement
GB/T 16842-2008 housing for people and equipment protection test with a test
GB/T 16927 (all parts) high-voltage test techniques
GB/T 16935.3-2005 within low-voltage systems Insulation coordination for equipment - Part 3. Using the coating, potting or molding for antifouling
protection
IEC 60027 electrical technology text symbols (Lettersymbolstobeusedinelectricaltechnology)
3 Terms and Definitions
GB 4793.1-2007 defined and the following terms and definitions apply to this document. For ease of use, repeat the following list
The GB 4793.1-2007 certain terms and definitions.
3.1 devices and equipment category
Tools tool
, Including keys and coins, including an external device to help people to perform some kind of mechanical function and use.
[GB 4793.1-2007, the definition 3.1.5]
3.2 Parts and Accessories
3.2.1
Terminal terminal
A component of the apparatus (device) connected to the outer conductor provided.
[IEV151-01-03, revised edition]
[GB 4793.1-2007, the definition 3.2.1]
Note. The terminal can contain one or more contacts, so that the term also includes sockets, connectors and the like.
3.2.2
Functional ground terminal functionalearthterminal
To a point directly measuring or control circuit, or directly with a shield portion is electrically connected, but also reservations
To be used for any function other than safety purposes purpose a ground terminal.
[GB 4793.1-2007, the definition 3.2.2]
Note. The measuring equipment, the terminal is often referred to as measuring ground terminal.
3.2.3
Protective Conductor Terminal protectiveconductorterminal
For security purposes and conductive parts of equipment are connected, but also with a predetermined external terminal connected to protective earthing system.
[GB 4793.1-2007, the definition 3.2.3]
3.2.4
Housing enclosure
Protect the unit against certain external influences and prevent parts from any direct contact with the direction provided.
[GB 4793.1-2007, the definition 3.2.4]
3.2.5
Baffle barrier
Prevent parts from any direction normal close direct contact provided.
[GB 4793.1-2007, the definition 3.2.5]
Note. The housing and bezel provides flame spread protection [see 9.2.1b)].
3.3 Electrical values
3.3.1
Rated (value) rated (value)
Usually by the manufacturer for the components, apparatus, or device reaches a given magnitude of working status.
[GB 4793.1-2007, the definition 3.3.1]
3.3.2
Rating rating
A set of ratings and working conditions.
[GB 4793.1-2007, the definition 3.3.2]
3.3.3
Operating voltage workingvoltage
When the device is supplied at rated voltage, the insulation can occur any particular maximum RMS AC voltage or DC voltage values.
Note. transients are not considered.
Note. The open circuit conditions and normal operating conditions are to be considered.
[GB 4793.1-2007, the definition 3.3.3]
3.4 Protection of extra-low voltage circuit
Protective extra-low voltage circuits (PELV circuits) protectiveextra-lowvoltagecircuit (PELVcircuit)
Under normal operating conditions and single fault conditions, the voltage does not exceed the value of the safety circuit, ground fault, except in other lines.
PELV circuit similar to the protective earth connection SELV circuits.
3.5 safety extra-low voltage circuit
Safety extra-low voltage circuit (SELV circuit) safetyextra-lowvoltagecircuit (SELVcircuit)
Under normal conditions and single fault conditions, the voltage does not exceed the value of the safety circuit, comprising a ground fault in other circuits.
NOTE. SELV circuit is not connected to the protective earth.
3.6 Test
3.6.1
Type test typetest
For a particular design, in order to prove that the design and structure is able to meet one or more requirements of this part and of one or more devices
Taiwan sample (or device components) tests carried out.
[GB 4793.1-2007, the definition 3.4.1]
3.6.2
Routine tests routinetest
After fabrication or manufacture to determine the means (equipment) meets a criterion and for each separate device (device) test
(See Appendix F). [IEV151-04-16, revised edition]
[GB 4793.1-2007, the definition 3.4.2]
3.7 Security Terminology
3.7.1
(Parts) palpable accessible (ofapart)
6.2 When prescribed use standard test finger or test pin to the touch.
[GB 4793.1-2007, the definition 3.5.1]
3.7.2
Dangerous hazard
Potential source of harm.
[GB 4793.1-2007, the definition 3.5.2]
3.7.3
Hazardous live hazardouslive
Electric shock or electrical burn make it under normal condition or single fault condition.
Note. The value of the normal conditions apply, see 6.3.1, for under a single fault condition is considered to be a higher number apply, see 6.3.2.
[GB 4793.1-2007, the definition 3.5.3]
3.7.4
Power supply mains
It is designed to make about the device connected thereto need for equipment to provide electricity for the purpose of low voltage power supply system.
Note. Some of the measurement circuit can measure the power grid and for purposes connected with.
3.7.5
The power supply circuit mainscircuit
Intended to be connected to the power grid, providing power for the device circuitry.
Note. The measuring circuit and the use of induction powered from the mains power supply circuit circuit does not belong to the grid power supply circuit.
3.7.6
Protective impedance protectiveimpedance
A combination of components, component or components of the basic insulation and current limiting or pressure-limiting device when it is connected to ACCESSIBLE conductive parts and dangerous
Between live parts when the risk degree of protection impedance, structure and reliability under normal conditions and single fault conditions provided to achieve this standard
Requirements.
[GB 4793.1-2007, the definition 3.5.7]
3.7.7
Protection connection protectivebonding
To make electrical ACCESSIBLE conductive parts or protective screen and for the external protection conductor is connected with electrical continuity and having carried
connection.
[GB 4793.1-2007, the definition 3.5.8]
3.7.8
Normal use normaluse
Operation according to instructions or intended use by the apparent instructions, including standby.
NOTE. In most cases, the normal use also refers to normal conditions, because the use of manual warns users not to use the device under abnormal conditions.
[GB 4793.1-2007, the definition 3.5.9]
3.7.9
Normal conditions normalcondition
All protective measures to prevent dangerous conditions are intact.
[GB 4793.1-2007, the definition 3.5.10]
3.7.10
Single fault condition singlefaultcondition
Protective measures to prevent the risk of a failure condition occurs or is likely to cause some dangerous and a fault condition.
Note. If a single fault condition will inevitably lead to another single fault conditions, such a two failures are considered a single fault
condition.
[GB 4793.1-2007, the definition 3.5.11]
3.7.11
Operator operator
According to the intended use of the device to operate the equipment man.
Note. the operator for this purpose should be properly trained.
[GB 4793.1-2007, the definition 3.5.12]
3.7.13
Responsible responsiblebody
Responsible for the maintenance and use of equipment or operating personnel to ensure adequate training for individuals or organizations.
[GB 4793.1-2007, the definition 3.5.13]
3.7.14
Wet locations wetlocation
Possible presence of water or other conductive liquid, and because of damp and wet human contact with the device and the environment or human contact
Which may make the body impedance decreases places.
[GB 4793.1-2007, the definition 3.5.14]
3.8 Insulation
3.8.1
Basic insulation basicinsulation
Whose failure can cause a shock hazard insulation.
Note. The basic function of insulation can be used for insulation purposes.
[GB 4793.1-2007, the definition 3.6.1]
3.8.2
Additional insulation supplementaryinsulation
Independent insulation applied in addition to basic insulation, in order to ensure that when once the basic insulation failure can still prevent electric shock.
[GB 4793.1-2007, the definition 3.6.2]
3.8.3
Double insulation doubleinsulation
Constituted by the basic insulation and supplementary insulation.
[GB 4793.1-2007, the definition 3.6.3]
3.8.4
Reinforced insulation reinforcedinsulation
Its ability to provide protection against electric shock is not less than double insulation insulation, it can not as a separate image into several layers of additional insulation or basic insulation
Insulation test line configuration.
[GB 4793.1-2007, the definition 3.6.4]
3.8.5
Pollution polution
It will lead dielectric strength or surface resistivity reduced solid, liquid or gaseous (ionized gas) additional foreign substances.
[GB 4793.1-2007, the definition 3.6.5]
3.8.6
Pollution degree polutiondegree
To assess the level of contamination and the separation distance specified below microenvironment.
Note 1. The build-up of foreign matter and moisture can cause conductive insulator contamination.
Note 2. The minimum clearances for pollution degree Pollution Degree 2 and 3 are given based on experience rather than raw data.
[GB 4793.1-2007, the definition 3.6.6]
3.8.6.1
Pollution Level 1 polutiondegree1
No pollution or only dry non-conductive pollution, the pollution has no adverse effect.
[GB 4793.1-2007, the definition 3.6.6.1]
3.8.6.2
Pollution Level 2 polutiondegree2
Normally only non-conductive pollution, but occasionally due to the cohesive effect and short conductive.
[GB 4793.1-2007, the definition 3.6.6.3]
3.8.6.3
Pollution Level 3 polutiondegree3
Conductive pollution or dry non-conductive pollution due to the unifying role and become conductive.
Note. In this condition, the device is usually to prevent exposure to direct sunlight, rain, strong wind pressure, but it need not control the temperature or humidity.
[GB 4793.1-2007, the definition 3.6.6.3]
3.8.7
Clearance clearance
The shortest distance between two conductive parts in the air.
[GB 4793.1-2007, the definition 3.6.7]
3.8.8
Creepage distance creepagedistance
The shortest distance between two conductive parts along the surface of insulating material.
[GB 4793.1-2007, the definition 3.6.8]
3.9 and associated product definition
3.9.1
Valve valve
Embedded control fluid flow with a pressure closure member seal housing assembly.
3.9.2
Control valve [valve] controlvalve
Process control system with the power to change the operating fluid flow means, by the implementing agencies and valves, actuators in accordance with a control signal
Changing the position of the valve closure member.
3.9.3
Electric actuator electricalactuator
The use of electric power source as the executing agency.
3.9.4
Pneumatic actuator pneumaticactuator
The use of pressurized gas as a power source of the actuator.
3.9.5
Locator positioner
A valve or actuator associated with mechanical, automatically adjusts the output pressure to the actuator to ensure that the valve position and the input signal with accurate
Predetermined position controller relations.
3.9.6
Electrical converters electro-pneumaticconvertor
Converter will convert standard DC signal into an electric meter standard pneumatic pressure signal.
4 Test
4.1 Overview
In this section all tests are type tests on the control valve or subassembly (or part) of the sample. These tests
The only purpose is to verify that the design and construction to ensure compliance with this requirement. In addition, the manufacturer shall produced at the same time having a crisis
Dangerous live parts and accessible conductive parts or sub-assemblies of the control valve 100% for routine tests specified in Appendix F.
It should be checked by all applicable test meets the requirements of this section, but if the inspection of the control valve can really prove certainly pass
Had a trial, then this test may be omitted. In addition, to meet the GB 30439 requirements relevant parts of the control and use of those requirements
The valve sub-assembly, during the entire control valve type test need not be repeated trials.
Test under the following conditions.
--- Reference test conditions (see 4.3);
--- Fault conditions (see 4.4).
NOTE. If performing compliance test, or a measured value of the applied (such as voltage) of the actual value due to errors and uncertainty, then.
--- Manufacturer to ensure that the value of the test is applied to at least a predetermined value;
--- Test departments should ensure that the test applied is not greater than the value specified.
4.2 Test procedure
Except as otherwise provided by this section, the test sequence may be optionally substituted. After each test should be carefully checked to test the control valve. Such as
If test results are suspect, suspect that if the test sequence reversed, any of the foregoing whether true test pass, then test in front of them
Test should be repeated. If the test can damage control valves under fault conditions, these tests can be placed under the test conditions of the reference test
after that.
4.3 reference test conditions
4.3.1 Environmental Conditions
Except as otherwise provided by this section, test sites should have the following conditions.
a) Temperature. 15 ℃ ~ 35 ℃;
b) Relative humidity. not exceed 75%;
c) Atmospheric pressure. 86kPa ~ 106kPa;
d) no frost, condensation, water seepage, rain and sunshine.
4.3.2 Control valve condition
Unless otherwise provided, each test should be assembled on a control valve for normal use, and in the provisions of 4.3.2.1 ~ 4.3.2.9
Carried out under the most unfavorable combination of conditions.
If the volume or quality reasons can not be certain the entire control valve test, is allowed to carry out sub-assembly test, as long as after inspection
Certify that the control valve can be assembled in line with the requirements of this section can be.
4.3.2.1 Control valve position
The control valve is in either a normal use position, and any ventilation unobstructed.
4.3.2.2 Accessories
Recommended by the manufacturer or provided accessories and the operator of the control valve for use with interchangeable parts should be connected or not
connection.
4.3.2.3 lid and removable parts
Without tools or removal of the lid parts should be removed or not removed.
4.3.2.4 Power supply or power supply
Shall comply with the following requirements.
a) the supply voltage should be controlled to any nominal supply voltage of the valve can be set between 90% and 110%, or if the control valve
To adapt to the provisions of the greater voltage fluctuations, the supply voltage should be any voltage fluctuations within the range of reach;
b) frequency should any nominal frequency;
c) single-phase AC power supply electric actuator shall respectively normal polarity or opposite polarity;
d) In addition to the provisions of the control valve is used only for non-grounded power supply, the reference test of a power pole should be at ground potential or connected
Near ground potential;
e) the use of DC power supply control valve, if the connection device allows reverse, it should respectively normal polarity and opposite polarity
connection.
4.3.2.5 Input and output voltage
Input and output voltages, including floating voltages but excluding the MAINS voltage and power supply voltage is included, it should be adjusted to the rated
Any voltage within the voltage range.
4.3.2.6 ground terminal
For protective earthing terminal, if any, it should be connected to earth. Functional ground terminal should be grounded or ungrounded.
4.3.2.7 control member
Operator without the use of tools, controls can be adjusted manually set at any position, except in the following circumstances.
a) MAINS selection devices should be set to the correct value of the position;
b) If the standard signs prohibited combination is provided on the control valve manufacturer shall not be combined set.
4.3.2.8 Output
For providing an electrical output of the control valve.
a) the control valve operating state should be able to provide the rated output power of the rated load;
b) to any output, rated load impedance should be connected or not.
4.3.2.9 duty cycle
Short-time or intermittent operation of the control valve should be according to the instructions of the manufacturer, with the longest period of time and work to a minimum
Period of time to recover.
4.4 Test under single fault conditions
4.4.1 Overview
It should be according to the following requirements.
a) Check the control valve and its circuit diagram is usually able to determine whether there may be dangerous and therefore whether it should be applied to fault
condition;
b) In addition to proof of a specific fault conditions likely to cause danger, the test shall be made by the fault, or select Check
Verify compliance provisions of an alternative method to replace the fault test [see 9b) and 9c)];
c) the control valve should work under reference test conditions (see 4.3) the most unfavorable combination of conditions, for different faults, which combined strip
Member can vary, these combined conditions should be recorded during each test.
4.4.2 Fault conditions imposed
Fault conditions 4.4.2.1 ~ 4.4.2.8 should include provisions for fault conditions. These fault conditions can only be applied to one and should press
Sequentially applied in any convenient order, can not be applied more than one fault at the same time, the results unless it is applied to a fault caused by a fault.
After each applied once the fault condition, the control valve or component should pass the applicable test 4.4.4.
4.4.2.1 Protective conductor
Protective conductor should be disconnected, but permanent connection control valve or comply with GB/T 11918 ~ GB/T 11919 of the connector
Except the control valve.
Note. The pneumatic actuator as a control valve subassembly, this requirement does not apply.
4.4.2.2 short-time or intermittent operation of the control valve or component
If the single fault conditions may cause these control valves or parts of continuous work, it should make it work continuously. Each individual
Parts including motors, relays and other electromagnetic devices.
Note. The pneumatic actuator as a control valve subassembly, this requirement does not apply.
4.4.2.3 Motor
Motor should stop it or prevent it from starting when fully energized and choose one of the more disadvantaged.
Note. The pneumatic actuator as a control valve subassembly, this requirement does not apply.
4.4.2.4 Capacitors
Motor auxiliary winding circuit capacitor (except for self-healing capacitors) should be short-circuited.
Note. The pneumatic actuator as a control valve subassembly, this requirement does not apply.
4.4.2.5 Power Transformers
The secondary winding of the power transformer should be required to 4.4.2.5.1 will be short-circuited, according to the provisions of 4.4.2.5...
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