This standard specifies the structural type, size and technical requirements of plastic packing. JB/T 5209-1991 Plastic packing JB/T5209-1991 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T 5209-1991
Plastic Packing
Published on July 23, 1991
Ministry of Machinery and Electronics Industry
Implementation on July 1, 1992
Mechanical Industry Standard of the People's Republic of China
Plastic Packing
Subject Content and Scope of Application
This standard specifies the structural type, size and technical requirements of plastic packing. This standard applies to the plastic packing box of valves. Reference Standards
GB1804 Tolerance and Fit
: Type and Size
Limit Deviation of Dimensions Without Tolerance
The structural type of plastic packing is shown in Figures 1 and 2, and the size is as specified in Tables 1 and 2. D
The Ministry of Machinery and Electronics Industry approved JB/T5209-1991 on July 23, 1991
Replace JB1714-75
JB1715-75
Implemented on July 1, 1992
Technical requirements
Material shall be in accordance with the provisions of Table 3.
Polytetrafluoroethylene
Nylon 66, Nylon 1010
JB/T5209-1991
Per 1000 mass
(Calculated density 2.1)
Per 1000 mass
(Calculated density 2.1)
4.2 The tolerance grade of dimensions without tolerance shall be in accordance with IT14 specified in GB1804. Additional Notes: Www.bzxZ.net
This standard was proposed and managed by the Hefei General Machinery Research Institute of the Ministry of Machinery and Electronics Industry. D,
This standard was drafted by the Hefei General Machinery Research Institute of the Ministry of Machinery and Electronics Industry and the Beijing Valve Research Institute. The main drafters of this standard are Hong Miancheng, Zhang Huayou, Lu Peiwen, and Wang Jingxin. 2
Per 1000 mass
(Calculated density 2.1)
Per 1000 mass
(Calculated density 2.1)
People's Republic of China
Mechanical Industry Standard
Plastic Filler
JB/T 5209-1991
Published by the China Academy of Mechanical Science
Printed by the China Academy of Mechanical Science
(No. 2, Shouti South Road, Beijing
Postal Code: 100044)
Format: 880×1230
Printing Sheet: 3/8
Word Count: 4,000
First Edition in January 1993
First Printing in January 1993
Print Quantity: 1-500
Price: RMB 5.00
Mechanical Industry Standards Service Network: http://www.JB.ac.cn1661_60 /
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