HG/T 2129.24-1991 Flange reducers for chemical equipment parts made of acid-resistant phenolic plastics

HG/T 2129.24-1991 Acid-resistant phenolic plastics for chemical equipment parts Flange reducers HG/T2129.24-1991 Standard download decompression password: www.bzxz.net

Scope of application
Chemical Industry Standard of the People's Republic of China
Flanged reducers made of acid-resistant phenolic plastic for chemical equipment parts
HG/T2129.24-91
This standard applies to flanged reducers made of acid-resistant phenolic plastic with an allowable temperature of -30℃~130℃ and an allowable pressure as specified in the table below. Reference Standard
HG/T2128 Chemical Equipment Made of Acid-resistant Phenolic Plastic Equipment, pipe and pipe fittings technical conditions 3 Type, basic dimensions
Type, basic dimensions as specified in the following figure and table A enlarged view
Note: Corner not specified 1>3mm
Ministry of Chemical Industry of the People's Republic of China 1991-08-19 Implementation 1992-01-01
Nominal diameter
100/80
150/100
20 0/150wwW.bzxz.Net
250/200
300/250
350/300
400/350
450/400
500/450
128/94
148/128
206/148
256/206
320/256
370/320
430/370
480/430
538/480
590/538
HG/T2129.24-
The quality inspection,
packaging,
The quality inspection, packaging, storage and transportation of raw materials and finished products shall comply with the provisions of HG/T2128. 5 Marking example
Allowable pressure at room temperature
MPa(kgf/cm)
0.15 (1.5)
0. 13 (1.3)
For the flanged reducer made of acid-resistant phenolic plastic with nominal diameter DN=50mm and DN\=32mm, the marking symbol is: Reducer DN50/32HG/T2129.24--91 Selection instructions
For flanged reducers outside the standard series, the supplier and the buyer can negotiate and still use this standard number. For example: For the flanged reducer made of acid-resistant phenolic plastic with nominal diameter DN=100mm and DN=50mm, the marking symbol is Reducer DN100/50HG/T2129.24-91 Additional instructions:
This standard is proposed by China National Chemical Equipment Corporation. This standard is under the jurisdiction of the National Technical Committee for Standardization of Non-metallic Chemical Equipment. This standard was drafted by Chengdu Chemical Research and Design Institute, and the main drafters of this standard were He Jiabing and He Jin.
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