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 partsbzxZ.net
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 0/150
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.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.