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SN/T 2537-2010 English PDF

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SN/T 2537-2010: Method of sampling for import and export refrigerants inspection
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PDF similar to SN/T 2537-2010


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Basic data

Standard ID SN/T 2537-2010 (SN/T2537-2010)
Description (Translated English) Method of sampling for import and export refrigerants inspection
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard G17
Classification of International Standard 71.100.45
Word Count Estimation 9,988
Date of Issue 2010-03-02
Date of Implementation 2010-09-16
Quoted Standard GB/T 6678; GB/T 6680; GB/T 6681-2003
Adopted Standard ARI STANDARD 700-2004, NEQ
Regulation (derived from) National Quality Inspection (2010) 98; industry standard filing Notice 2010 No. 5 (No. 125 overall)
Issuing agency(ies) General Administration of Customs
Summary This standard specifies the import and export inspection sampling methods refrigerant. This standard applies to imports of the refrigerant liquid and gaseous parts of the sampling site, near or above room temperature to the boiling point of the refrigerant only take liquid samples.

SN/T 2537-2010: Method of sampling for import and export refrigerants inspection

---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.
Method of sampling for import and export refrigerants inspection Exit inspection and quarantine industry standard book People's Republic of China Import and export inspection and sampling methods refrigerant Issued on. 2010-03-02 2010-09-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

ARISTANDARD700 standard reference used by the US Air Conditioning & Refrigeration Institute.2004 "fluorine refrigerant norms" (in English) to take Like section. Appendix A of this standard is an informative annex, Annex B normative appendix. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau, Changzhou import and export of industrial and consumer safety testing center. The main drafters of this standard. Zhouqiu Hong, lord Xing, Wang Hongsong, your suppliers celery, Kouhai Juan, Chen. This standard is the first release of the entry-exit inspection and quarantine industry standards. Import and export inspection and sampling methods refrigerant

1 Scope

This standard specifies the import and export inspection and sampling methods refrigerant. This standard applies to the import and export of refrigerant vapor and liquid phase portion of the sampling site, close to or exceed the boiling point temperature of the refrigerant only Liquid samples to be taken.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6678 General Principles for Sampling Chemical Products GB/T 6680 General rules for sampling liquid chemical products GB/T 6681-2003 General rules for sampling gaseous chemical products

3 Terms and Definitions

GB/T 6678 and established the following terms and definitions apply to this standard. 3.1 For storing the refrigerant kinds of pressure vessels, air-conditioning and refrigeration equipment. 3.2 The maximum temperature of the substance in liquid form arise. Above this temperature, no matter how much pressure is applied, the gas can not be liquefied. 3.3 When the liquid refrigerant single refrigerant vapor pressure is equal to the external pressure, the liquid begins to boil, when the temperature of the working fluid is the single refrigerant Boiling point. 3.4 When the liquid refrigerant is mixed refrigerant vapor pressure is equal to the external pressure, the liquid begins to boil, when the temperature is called the mixed refrigerant refrigerant Bubble point.

4 sampling equipment

4.1 Sampler 4.1.1 Application sampler made of stainless steel, with a single valve, double valve, non-outage tube, see GB/T 6681-2003 in Figure 6. Sampler shall, before sampling drying, vacuum and weighed tare. Each sample should be taken only for a certain part of the product source sample. 4.1.2 sampler tightness test should be conducted regularly. 4.2 sampling catheter Stainless steel or other corrosion-resistant elastic metal tube or pipe made of teflon. Sampling before drying, after the end of the sample should be

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