HOME   Cart(0)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189760 (18 Oct 2025)

QC/T 662-2013 PDF English

US$105.00 · In stock · Download in 9 seconds
QC/T 662-2013: Vehicle air conditioner (HFC-134a) receiver dryer
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Valid

QC/T 662: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
QC/T 662-2013English105 Add to Cart 0-9 seconds. Auto-delivery Vehicle air conditioner (HFC-134a) receiver dryer Valid
QC/T 662-2000English270 Add to Cart 0-9 seconds. Auto-delivery Drier automotive air conditioning (HFC-134a) Obsolete

Excerpted PDFs (Download full copy in 9 seconds upon purchase)

PDF Preview: QC/T 662-2013
      

Similar standards

QC/T 661   QC/T 664   QC/T 660   QC/T 665   

QC/T 662-2013: Vehicle air conditioner (HFC-134a) receiver dryer

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/QCT662-2013
QC AUTOMOBILE INDUSTRY STANDARD ICS 43.040.60 T 26 Replacing QC/T 662-2000 Vehicle air conditioner (HFC-134a) receiver dryer Issued on. OCTOBER 17, 2013 Implemented on. MARCH 01, 2014 Issued by. Ministry of Industry and Information Technology of PRC

Table of Contents

Foreword... 3 1 Scope... 8 2 Normative references... 8 3 Terms and definitions... 8 4 Technical requirements... 9 5 Test method... 11 6 Inspection rules... 15 7 Marking, packaging, transportation and storage... 16

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009 "Directives for standardization - Part 1.Structure and drafting of standards". Compared with QC/T 662-2000, the main changes of this standard are as follows. - MODIFY the scope of application of the standard (see Chapter 1); - ADD and DELETE some references (see Chapter 2); - ADD some terms and definitions (see Chapter 3); - ADD the technical requirements for low temperature resistance and effective volume (see 4.8, 4.14); - ADD the accuracy requirements of testing instruments (see 5.1); - ADD the method of high-pressure water testing and helium leak testing (see 4.2, 5.3); - ADD the minimum holding time requirement of the pressure resistance test and the requirement of recording the burst pressure value (see 5.4); - MODIFY the technical requirements for internal cleanliness and test temperature requirements (see 4.4, 5.5); - MODIFY the drying temperature in the drying performance test (see 5.6); - MODIFY the testing temperature and flow rate in the pressure loss test (see 5.7); - MODIFY the time of high temperature resistance test (see 5.8); - ADD the testing method for low temperature resistance and effective volume (see 5.9, 5.15); - MODIFY the pressure of nitrogen in the vibration resistance test; at the same time, ADD the requirements for number of vibrations; CLARIFY the requirements for charging HFC-134a refrigerant and refrigerating oil (see 5.11); - ADD the time requirement in the corrosion resistance test (see 5.14). This standard will replace QC/T 662-2000 "Vehicle air conditioner (HFC-134a) receiver dryer" from the effective date. This standard was proposed by and shall be under the jurisdiction of the National Automotive Standardization Committee (SAC/TC 114). The main drafting organizations of this standard. Zhejiang Sanhua Auto Parts Co., Ltd., Suzhou Xinzhi Auto Parts Co., Ltd., Wuhan Branch of China Quality Certification Center. The main drafters of this standard. Wang Lixin, Zhang Junying, Li Zaihua, Wang Xiang. Vehicle air conditioner (HFC-134a) receiver dryer

1 Scope

This standard specifies the technical requirements, test methods, inspection rules, markings, packaging, transportation and storage of vehicle air conditioner (HFC-134a) receiver dryer (hereinafter referred to as receiver dryers). This standard is applicable to vehicle air conditioner receiver dryer with HFC- 134a as the refrigerant, working pressure at 0 ~ 2.5 MPa, effective internal volume less than 1000 mL.

2 Normative references

The clauses contained in the following standards constitute the clauses of this standard through quotation in this standard. When this standard is published, all editions are valid. All standards will be revised, and all parties using this standard shall explore the possibility of using the latest version of the following standards. GB/T 191-2008 Packaging - Pictorial marking for handling of goods GB/T 6287-1986 Determination of static adsorbed water for molecular sieve GB/T 10125-1997 Corrosion tests in artificial atmospheres-Salt spray tests

3 Terms and definitions

The terms and definitions apply to this standard. 3.1 Receiver dryer The receiver dryer is a device with drying and filtering functions, used to absorb residual moisture in the refrigeration system, filter residual impurities, store high-pressure liquid refrigerant. 3.2 Desiccant The solid adsorbent used to adsorb residual moisture. In the refrigeration cycle, the desiccant shall be compatible with the refrigerant and refrigerated lubricating oil. 3.3 Pressure drop The pressure difference between the inlet and outlet of the refrigerant flowing through the receiver dryer.

4 Technical requirements

The receiver dryer shall meet the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. 4.1 Appearance The outer surface of the receiver dryer shall be clearly marked; the welding seam shall be uniform; there shall be no obvious scratches, defects, or oil stains. There shall be no foggy dust on the observation window. 4.2 Air tightness When tested according to 5.3 of this standard, the leakage at any place shall not exceed 5 g/a; or otherwise when using high-purity nitrogen under 3.5 MPa pressure to test for 3 min, there shall be free form leakage. 4.5 Drying performance 4.6 Pressure loss When tested according to 5.7 of this standard, the pressure difference between inlet and outlet shall meet the design requirements, generally not more than 20 kPa. 4.7 High temperature resistance After the test in accordance with 5.8 of this standard, there shall be no abnormal deformation or damage in appearance; it shall meet the requirements of 4.2; the internal parts shall not be damaged. 4.8 Low temperature resistance After testing in accordance with 5.9 of this standard, there shall be no abnormal deformation or damage in appearance; it shall meet the requirements of 4.2; the internal parts shall not be damaged. 4.12 Fusible plug performance When tested according to 5.13 of this standard, if the temperature reaches 103.0 °C ~ 110.5 °C, the fusible plug shall be broken down. 4.13 Corrosion resistance After 96 hours of neutral salt spray test according to 5.14 of this standard, the air tightness and pressure resistance shall meet the requirements of 4.2 and 4.3. The outer surface coating of the iron receiver dryer shall be free of blisters, wrinkles, cracks or shedding, except for the local edge 3 mm; the underlying metal shall be free of corrosion.

5 Test method

5.1 Requirements for measuring instruments and meters All test instruments and meters shall be within the valid period of use and shall be accompanied by the required certificates. 5.1.1 The accuracy of the temperature measuring instrument shall not be less than ± 2 °C; the minimum graduation shall not exceed 2 times the specified accuracy. 5.1.4 The accuracy of the analytical balance is not less than 0.1 mg. 5.1.5 The filter paper’s accuracy is not less than 8 µm. 5.1.6 The accuracy of the leak detector is not less than 0.5 g/a. 5.2 Appearance quality and external dimension inspection Visual inspection of the appearance quality shall meet the requirements of 4.1 of this standard. 5.3 Air tightness test Choose at least one of the following test methods. 5.3.1 Room temperature is 20 °C ~ 30 °C. Under the conditions of presence of safety devices, fill the HFC-134a into the receiver dryer to make it be saturated. 5.4 Pressure resistance test Under protective conditions, the receiver dryer is filled with liquid medium; slowly increase the pressure to 5.3 MPa; hold the pressure for 2 minutes. After inspection, if there is no leakage or obvious deformation, the pressure is slowly increased to 10.5 MPa and the pressure is maintained for 3 minutes, without breaking. Increase the pressure until the product breaks; record the breaking value. 5.5 Internal cleanliness test After the filter paper is placed at a temperature of 90 °C ± 5 °C for no less than 30 minutes, immediately weigh it (A). At room temperature of 20 °C ~ 30 °C, pour isooctane solvent about 30% of the volume of the receiver dryer; shake it 4 ~ 5 times; pour it out from the outlet and use filter paper to filter it. Then place the filter paper under 90 °C ± 5 °C for no less than 30 minutes. Then weigh it immediately, therefore. 5.6 Drying performance test 5.6.1 Determine the water absorption capacity of the desiccant in the receiver dryer according to the measurement method of molecular sieve static water capacity in GB/T 6287. 5.7 Pressure loss test The test is carried out on special test equipment. Fill the system with a sufficient amount of liquid refrigerant; remove the non-condensed gas from the system; keep the refrigerant flowing through the accumulator at liquid state; adjust and control the refrigerant temperature to stabilize it at 60 °C ± 5 °C. Adjust flow control, to make the flow at 130 L/h ± 5 L/h. Measure the pressure difference at the inlet and outlet of the receiver dryer. 5.13 Test of fusible plug performance Submerge the receiver dryer equipped with fusible plugs in an 80 °C oil tank. Fill the receiver dryer with liquid medium. During the heating process, the internal pressure is controlled at 4.2 MPa ± 0.1 MPa. The oil tank is heated at the rate of 1 °C/min. First pay attention to whether there are bubbles in the fusible alloy on the fusible plug; then record the temperature when the fusible alloy is broken down and the pressure in the receiver dryer drops sharply. This temperature is the breakdown temperature of the fusible plug.

6 Inspection rules

6.1 Inspection classification The inspection is divided into exit-factory inspection and type inspection according to this standard and product drawings. 6.2 Exit-factory inspection Carry out exit-factory inspection in accordance with 4.1 and 4.2 of this standard. The sampling plan and qualified quality level shall be negotiated and determined by the supplier and the buyer through negotiation. 6.3 Type inspection 6.3.3 When there are unqualified items in the type inspection, the unqualified items shall be doubled for re-inspection. If it is still unqualified, the type test is considered unqualified.

7 Marking, packaging, transportation and storage

7.1 Marking The receiver dryer shall be marked with a logo or a nameplate on the specified position. The logo or nameplate shall indicate the manufacturer's name (code) and trademark, product model or serial number, production date, refrigerant type; meanwhile indicate the location of the inlet or the direction of refrigerant flow. 7.2 Packaging 7.2.1 The following contents shall be marked outside the packing box. 7.3 Transportation and storage 7.3.1 During transportation, it shall avoid heavy pressure, anti-vibration, moisture, rain; it shall not put it upside down or sideways. QC/T 662-2013 QC AUTOMOBILE INDUSTRY STANDARD ICS 43.040.60 T 26 Replacing QC/T 662-2000 Vehicle air conditioner (HFC-134a) receiver dryer Issued on. OCTOBER 17, 2013 Implemented on. MARCH 01, 2014 Issued by. Ministry of Industry and Information Technology of PRC

Table of Contents

Foreword... 3 1 Scope... 8 2 Normative references... 8 3 Terms and definitions... 8 4 Technical requirements... 9 5 Test method... 11 6 Inspection rules... 15 7 Marking, packaging, transportation and storage... 16

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009 "Directives for standardization - Part 1.Structure and drafting of standards". Compared with QC/T 662-2000, the main changes of this standard are as follows. - MODIFY the scope of application of the standard (see Chapter 1); - ADD and DELETE some references (see Chapter 2); - ADD some terms and definitions (see Chapter 3); - ADD the technical requirements for low temperature resistance and effective volume (see 4.8, 4.14); - ADD the accuracy requirements of testing instruments (see 5.1); - ADD the method of high-pressure water testing and helium leak testing (see 4.2, 5.3); - ADD the minimum holding time requirement of the pressure resistance test and the requirement of recording the burst pressure value (see 5.4); - MODIFY the technical requirements for internal cleanliness and test temperature requirements (see 4.4, 5.5); - MODIFY the drying temperature in the drying performance test (see 5.6); - MODIFY the testing temperature and flow rate in the pressure loss test (see 5.7); - MODIFY the time of high temperature resistance test (see 5.8); - ADD the testing method for low temperature resistance and effective volume (see 5.9, 5.15); - MODIFY the pressure of nitrogen in the vibration resistance test; at the same time, ADD the requirements for number of vibrations; CLARIFY the requirements for charging HFC-134a refrigerant and refrigerating oil (see 5.11); - ADD the time requirement in the corrosion resistance test (see 5.14). This standard will replace QC/T 662-2000 "Vehicle air conditioner (HFC-134a) receiver dryer" from the effective date. This standard was proposed by and shall be under the jurisdiction of the National Automotive Standardization Committee (SAC/TC 114). The main drafting organizations of this standard. Zhejiang Sanhua Auto Parts Co., Ltd., Suzhou Xinzhi Auto Parts Co., Ltd., Wuhan Branch of China Quality Certification Center. The main drafters of this standard. Wang Lixin, Zhang Junying, Li Zaihua, Wang Xiang. Vehicle air conditioner (HFC-134a) receiver dryer

1 Scope

This standard specifies the technical requirements, test methods, inspection rules, markings, packaging, transportation and storage of vehicle air conditioner (HFC-134a) receiver dryer (hereinafter referred to as receiver dryers). This standard is applicable to vehicle air conditioner receiver dryer with HFC- 134a as the refrigerant, working pressure at 0 ~ 2.5 MPa, effective internal volume less than 1000 mL.

2 Normative references

The clauses contained in the following standards constitute the clauses of this standard through quotation in this standard. When this standard is published, all editions are valid. All standards will be revised, and all parties using this standard shall explore the possibility of using the latest version of the following standards. GB/T 191-2008 Packaging - Pictorial marking for handling of goods GB/T 6287-1986 Determination of static adsorbed water for molecular sieve GB/T 10125-1997 Corrosion tests in artificial atmospheres-Salt spray tests

3 Terms and definitions

The terms and definitions apply to this standard. 3.1 Receiver dryer The receiver dryer is a device with drying and filtering functions, used to absorb residual moisture in the refrigeration system, filter residual impurities, store high-pressure liquid refrigerant. 3.2 Desiccant The solid adsorbent used to adsorb residual moisture. In the refrigeration cycle, the desiccant shall be compatible with the refrigerant and refrigerated lubricating oil. 3.3 Pressure drop The pressure difference between the inlet and outlet of the refrigerant flowing through the receiver dryer.

4 Technical requirements

The receiver dryer shall meet the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. 4.1 Appearance The outer surface of the receiver dryer shall be clearly marked; the welding seam shall be uniform; there shall be no obvious scratches, defects, or oil stains. There shall be no foggy dust on the observation window. 4.2 Air tightness When tested according to 5.3 of this standard, the leakage at any place shall not exceed 5 g/a; or otherwise when using high-purity nitrogen under 3.5 MPa pressure to test for 3 min, there shall be free form leakage. 4.5 Drying performance 4.6 Pressure loss When tested according to 5.7 of this standard, the pressure difference between inlet and outlet shall meet the design requirements, generally not more than 20 kPa. 4.7 High temperature resistance After the test in accordance with 5.8 of this standard, there shall be no abnormal deformation or damage in appearance; it shall meet the requirements of 4.2; the internal parts shall not be damaged. 4.8 Low temperature resistance After testing in accordance with 5.9 of this standard, there shall be no abnormal deformation or damage in appearance; it shall meet the requirements of 4.2; the internal parts shall not be damaged. 4.12 Fusible plug performance When tested according to 5.13 of this standard, if the temperature reaches 103.0 °C ~ 110.5 °C, the fusible plug shall be broken down. 4.13 Corrosion resistance After 96 hours of neutral salt spray test according to 5.14 of this standard, the air tightness and pressure resistance shall meet the requirements of 4.2 and 4.3. The outer surface coating of the iron receiver dryer shall be free of blisters, wrinkles, cracks or shedding, except for the local edge 3 mm; the underlying metal shall be free of corrosion.

5 Test method

5.1 Requirements for measuring instruments and meters All test instruments and meters shall be within the valid period of use and shall be accompanied by the required certificates. 5.1.1 The accuracy of the temperature measuring instrument shall not be less than ± 2 °C; the minimum graduation shall not exceed 2 times the specified accuracy. 5.1.4 The accuracy of the analytical balance is not less than 0.1 mg. 5.1.5 The filter paper’s accuracy is not less than 8 µm. 5.1.6 The accuracy of the leak detector is not less than 0.5 g/a. 5.2 Appearance quality and external dimension inspection Visual inspection of the appearance quality shall meet the requirements of 4.1 of this standard. 5.3 Air tightness test Choose at least one of the following test methods. 5.3.1 Room temperature is 20 °C ~ 30 °C. Under the conditions of presence of safety devices, fill the HFC-134a into the receiver dryer to make it be saturated. 5.4 Pressure resistance test Under protective conditions, the receiver dryer is filled with liquid medium; slowly increase the pressure to 5.3 MPa; hold the pressure for 2 minutes. After inspection, if there is no leakage or obvious deformation, the pressure is slowly increased to 10.5 MPa and the pressure is maintained for 3 minutes, without breaking. Increase the pressure until the product breaks; record the breaking value. 5.5 Internal cleanliness test After the filter paper is placed at a temperature of 90 °C ± 5 °C for no less than 30 minutes, immediately weigh it (A). At room temperature of 20 °C ~ 30 °C, pour isooctane solvent about 30% of the volume of the receiver dryer; shake it 4 ~ 5 times; pour it out from the outlet and use filter paper to filter it. Then place the filter paper under 90 °C ± 5 °C for no less than 30 minutes. Then weigh it immediately, therefore. 5.6 Drying performance test 5.6.1 Determine the water absorption capacity of the desiccant in the receiver dryer according to the measurement method of molecular sieve static water capacity in GB/T 6287. 5.7 Pressure loss test The test is carried out on special test equipment. Fill the system with a sufficient amount of liquid refrigerant; remove the non-condensed gas from the system; keep the refrigerant flowing through the accumulator at liquid state; adjust and control the refrigerant temperature to stabilize it at 60 °C ± 5 °C. Adjust flow control, to make the flow at 130 L/h ± 5 L/h. Measure the pressure difference at the inlet and outlet of the receiver dryer. 5.13 Test of fusible plug performance Submerge the receiver dryer equipped with fusible plugs in an 80 °C oil tank. Fill the receiver dryer with liquid medium. During the heating process, the internal pressure is controlled at 4.2 MPa ± 0.1 MPa. The oil tank is heated at the rate of 1 °C/min. First pay attention to whether there are bubbles in the fusible alloy on the fusible plug; then record the temperature when the fusible alloy is broken down and the pressure in the receiver dryer drops sharply. This temperature is the breakdown temperature of the fusible plug.

6 Inspection rules

6.1 Inspection classification The inspection is divided into exit-factory inspection and type inspection according to this standard and product drawings. 6.2 Exit-factory inspection Carry out exit-factory inspection in accordance with 4.1 and 4.2 of this standard. The sampling plan and qualified quality level shall be negotiated and determined by the supplier and the buyer through negotiation. 6.3 Type inspection 6.3.3 When there are unqualified items in the type inspection, the unqualified items shall be doubled for re-inspection. If it is still unqualified, the type test is considered unqualified.

7 Marking, packaging, transportation and storage

7.1 Marking The receiver dryer shall be marked with a logo or a nameplate on the specified position. The logo or nameplate shall indicate the manufacturer's name (code) and trademark, product model or serial number, production date, refrigerant type; meanwhile indicate the location of the inlet or the direction of refrigerant flow. 7.2 Packaging 7.2.1 The following contents shall be marked outside the packing box. 7.3 Transportation and storage 7.3.1 During transportation, it shall avoid heavy pressure, anti-vibration, moisture, rain; it shall not put it upside down or sideways. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

Tips & Frequently Asked Questions

Question 1: How long will the true-PDF of English version of QC/T 662-2013 be delivered?

Answer: The full copy PDF of English version of QC/T 662-2013 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.

Question 2: Can I share the purchased PDF of QC/T 662-2013_English with my colleagues?

Answer: Yes. The purchased PDF of QC/T 662-2013_English will be deemed to be sold to your employer/organization who actually paid 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. www.ChineseStandard.us -- QC/T 662-2013 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.

Question 5: Should I purchase the latest version QC/T 662-2013?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version QC/T 662-2013 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

How to buy and download a true PDF of English version of QC/T 662-2013?

A step-by-step guide to download PDF of QC/T 662-2013_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "QC/T 662-2013".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice.
See screenshots for above steps: Steps 1~3    Steps 4~6    Step 7    Step 8    Step 9