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GB/T 29030-2012 English PDF

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US$399.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 29030-2012: Positive displacement CO2 refrigerant compressor (unit)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29030-2012	399	Add to Cart	3 days	Positive displacement CO2 refrigerant compressor (unit)	Valid

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Basic data

Standard ID: GB/T 29030-2012 (GB/T29030-2012)
Description (Translated English): Positive displacement CO2 refrigerant compressor (unit)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J73
Classification of International Standard: 27.200
Word Count Estimation: 17,136
Quoted Standard: GB/T 2624.1; GB/T 2624.2; GB/T 2624.3; GB/T 2624.4; GB/T 5773-2004; JB/T 7249
Regulation (derived from): National Standards Bulletin No. 41 of 2012
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 displacement CO2 refrigeration compressor (group) in the name of working conditions, performance tolerance, testing and test methods and requirements, this standard also specifies the input power, cooling coefficient, volumetri

GB/T 29030-2012: Positive displacement CO2 refrigerant compressor (unit)

---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.
Positive displacement CO2 refrigerant compressor (unit) ICS 27.200 J73 National Standards of People's Republic of China Volumetric CO2 refrigeration compressor (group) Issued on. 2012-12-31 2013-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 nominal condition 1 5 Performance tolerance 2 Test provisions 3 6 7 Test methods 7 8 input power calculation 9 9 refrigeration coefficient calculation 10 10 10 Calculation of volumetric efficiency 11 isentropic efficiency calculation 10 Deviation between 12 X and Y method test method 11 13 Symbols and Definitions 11 Symbols and Definitions Appendix A (informative) used in the formula 12

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Machinery Industry Federation. This standard by the national refrigeration and air conditioning equipment Standardization Technical Committee (SAC/TC238) centralized. This standard is drafted by. Hefei General Machinery Research Institute, Hefei General Environmental Control Technology Co., Ltd., Hefei Swan Refrigeration Technology Co., Ltd., Yantai Moon Co., Ltd., Jiangsu Snow Electric Co., Ltd., Zhejiang, Guangdong Electric Co., Ltd., Guangdong Meizhi Refrigeration Equipment Co., Ltd. Participated in the drafting of this standard. Zhuhai Gree Electric Appliance Co., Ltd., Shanghai Han Zhong Seiki Co., Ltd., Daikin Air Conditioning (Shanghai) Ltd., Johnson Controls Building Equipment Technology (Wuxi) Co., Ltd., Shanghai Mitsubishi air conditioning on the motor · Electrical Co., Ltd. Mitsubishi, Bitzer system Cooling Technology (China) Co., Ltd., Shanghai Carrier Air Conditioning Equipment Co., Ltd. Zhejiang Chunhui air-conditioning compressor, Suzhou IAC special refrigeration Equipment Technology Co., Ltd., Suzhou Su net Anfa Air Conditioning Co., Ltd. Wenzhou will be the source energy-saving technology. The main drafters. Zhang Xiuping, Zhang Sheng, Zhong Yu, Ru gold, gold from Zhuo, in Zhiqiang, paint Pengcheng, Taoyu Peng, Chen Zhenhua, Xu Jia, Deng Zhuang Shijian Chun, Hu Xianghua, Tongxing Sheng, Liu Haifeng, Tangcheng Zhong, Wang Hongming, Chen Yimin, especially the military, and Shao Yong. Volumetric CO2 refrigeration compressor (group)

1 Scope

This standard specifies the displacement CO2 refrigeration compressor (group) in the name of working conditions, performance tolerances and test requirements and test methods, this standard Also it provides input power, cooling coefficient, volumetric efficiency, isentropic efficiency calculation. Conditions and test methods described in volunteers for measuring Capacity of the compressor, power, volumetric efficiency, the isentropic efficiency and coefficient of performance. This standard applies to CO2 displacement refrigerant compressors (hereinafter referred to as "compressor") and volumetric CO2 refrigeration compressor (hereinafter Referred to as "unit").

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 2624.1 with the differential pressure measuring device mounted to round pipe full pipe fluid flow - Part 1. General principles and Claim GB/T 2624.2 with the differential pressure measuring device mounted to round pipe full pipe fluid flow - Part 2. Orifice GB/T 2624.3 with the differential pressure measuring device mounted to round pipe full pipe fluid flow Part 3. Nozzles and Venturi Nozzle GB/T 2624.4 with the differential pressure measuring device mounted to round pipe full pipe fluid flow - Part 4. Venturi tubes GB/T 5773-2004 Volume refrigeration compressor performance test methods JB/T 7249 term refrigeration equipment

3 Terms and Definitions

JB/T 7249 and GB/T 5773 defined by the following terms and definitions apply to this document. 3.1 Volumetric CO2 refrigerant compressors positivedisplacementCO2refrigerantcompressor By compressing the CO2 refrigerant to achieve cooling and heating function of displacement compressors. 3.2 Volumetric CO2 refrigeration compressor positivedisplacementCO2refrigerantcompressorunit Assembled together by a CO2 refrigeration compressor displacement, prime mover or other accessories (such as oil pump, oil cooler, oil separator, etc.) for CO2 refrigerant compressor unit. 3.3 Cooling capacity refrigeratingcapacity Refrigerant gas from the refrigerant mass flow through compressor test measured by multiplying the specific enthalpy of the compressor suction pressure relative to the exhaust port Corresponding to the saturation temperature of the liquid specific enthalpy (subcritical cycle) or specific enthalpy (transcritical cycle) the difference between the refrigerant before expansion.

4 Nominal Conditions

Compressor (group) in the name of working conditions in accordance with Table 1. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 29030-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 29030-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 29030-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 29030-2012_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.