HG/T 2129.12-1991 Flange straight pipes for chemical equipment parts made of acid-resistant phenolic plastics

HG/T 2129.12-1991 Flange-type straight pipes for chemical equipment parts made of acid-resistant phenolic plastics HG/T2129.12-1991 Standard download decompression password: www.bzxz.net

Scope of application
Chemical Industry Standard of the People's Republic of China
Flanged straight pipes made of acid-resistant phenolic plastic for chemical equipment parts
HG/T2129.12-91
This standard applies to flanged straight pipes made of acid-resistant phenolic plastic with an allowable temperature of -30C~130℃ and an allowable pressure as specified in the table below. 2 Reference standardswww.bzxz.net
HG/T2128 Technical conditions for chemical equipment, pipes and fittings made of acid-resistant phenolic plastic 3 Types and basic dimensions
Types and basic dimensions are as specified in the figure and table below 4 Enlarged
Note: Unspecified corners>3mm
Chemical Industry of the People's Republic of China Approved by the Ministry of Industry on August 19, 1991, implemented on January 1, 1992
Nominal diameter
HG/T2129.12-91
Mass, kg
Note: For pipes with nominal diameters of 33,
54, 78 and other special requirements, the quality inspection, packaging, storage and transportation of raw materials and products can be negotiated. The quality inspection, packaging, storage and transportation of raw materials and 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)
Acid-resistant phenolic plastic flange straight pipe with nominal diameter DN=32mm and length L=500mm is marked as: Straight pipe DN32×500HG/T2129.12-91
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 are He Jingbing and He Jin.
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