HG/T 2129.26-1991 Acid-resistant phenolic plastics chemical equipment parts reducer HG/T2129.26-1991 standard download decompression password: www.bzxz.net

Scope of application
Chemical Industry Standard of the People's Republic of China
Reducers made of acid-resistant phenolic plastic for chemical equipment parts
HG/T2129.26--91
This standard applies to reducers made of acid-resistant phenolic plastic with an allowable temperature of -30℃～130℃ and an allowable pressure as specified in the table below. 2 Reference standards
HG／T2128 Technical conditions for chemical equipment, pipes and fittings made of acid-resistant phenolic plastic 3 Types and basic dimensions||t t||Type and basic dimensions are as specified in the following figure and table. Approved by the Ministry of Chemical Industry of the French People's Republic on August 19, 1991 and implemented on January 1, 1992
Nominal diameter
100/80
125/100
110/95
130/110
160/130
110/90
140/110
HG/T2129. 26-91
Quality inspection, packaging, storage and transportation of raw materials and finished products 26/24
Quality inspection, packaging, storage and transportation of raw materials and finished products shall comply with the provisions of HG/T2128. 5 Marking examplewww.bzxz.net
The marking symbol for the acid-resistant phenolic plastic reducer with nominal diameter DN=80mm and DN\=65mm is: Reducer DN/DN80/65HG/T2129.26-916 Selection instructions
Reducers outside the standard series For pipes with different diameters, the supply and demand parties can negotiate and resolve the issue, and this standard number can still be used, mm
Permissible pressure at room temperature
MPa(kgf/cm)
For example: Acid-resistant plastic reducers with nominal diameters DN=125mm and DN=80mm, the marking symbol is: Reducers
DN/DN125/80HG/T2129.26-91
Additional instructions:
This standard was proposed by China National Chemical Equipment Corporation. This standard was drafted by the National Technical Committee for Standardization of Non-metallic Chemical Equipment, and Chengdu Chemical Research and Design Institute was responsible for drafting this standard. The main drafters of this standard are He Jiabing and He Jin. 56
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