National Standard of the P.R.C., Valves for liquefied dimethyl ether cylinders G/TBT/N/CHN/2061

1.

Notifying Member: CHINA

If applicable, name of local government involved (Article 3.2 and 7.2):

2.

Agency responsible:

State Administration for Market Regulation (Standardization Administration of the P.R.C.)

Name and address (including telephone and fax numbers, email and website addresses, if available) of agency or authority designated to handle comments regarding the notification shall be indicated if different from above:

3.

Notified under Article 2.9.2 [X], 2.10.1 [ ], 5.6.2 [ ], 5.7.1 [ ],3.2 [ ], 7.2 [ ], other:

4.

Products covered (HS or CCCN where applicable, otherwise national tariff heading. ICS numbers may be provided in addition, where applicable): Valves for liquefied dimethyl ether cylinders (HS code(s): 8481); (ICS code(s): 23.020.30)

5.

Title, number of pages and language(s) of the notified document: National Standard of the P.R.C., Valves for liquefied dimethyl ether cylinders; (20 page(s), in Chinese)

6.

Description of content: This document specifies the terms and definitions, model designation, design requirements, technical requirements, inspection and test methods, inspection rules, marking, packaging, and storage and transportation of valves for liquefied dimethyl ether cylinders.

This document applies to valves for liquefied dimethyl ether cylinders with an ambient temperature range of -40℃ to +60℃, a nominal working pressure of 1.6MPa, a nominal volume not exceeding 150L, and the medium conforms in accordance with GB 25035.

This document does not apply to valves for automotive liquefied dimethyl ether cylinders.

7.

Objective and rationale, including the nature of urgent problems where applicable: Protection of human health or safety

8.

Relevant documents:

GB 25035

9.

Proposed date of adoption: To be determined

Proposed date of entry into force: To be determined

10.

Final date for comments: 60 days from notification

11.

Texts available from:National enquiry point [X] or address, telephone and fax numbers and email and website addresses, if available, of other body:

WTO/TBT National Notification and Enquiry Center of the People's Republic of China

Tel：+86 10 57954633/ 57954627

E_mail: tbt@customs.gov.cn

https://members.wto.org/crnattachments/2025/TBT/CHN/25_03776_00_e.pdf