HG/T 2129.14-1991 Acid-resistant phenolic plastics for chemical equipment parts Flange type 90° arc elbow HG/T2129.14-1991 Standard download decompression password: www.bzxz.net

Scope of application
Chemical Industry Standard of the People's Republic of China
Flanged 90° arc elbow made of acid-resistant phenolic plastic chemical equipment parts
HG/T2129.14-91
This standard applies to flanged 90° arc elbows made of acid-resistant phenolic plastic with an allowable temperature of ~30℃～130℃ and an allowable pressure as specified in the table below.
Referenced Standard
HG/T2128 Technical Conditions for Chemical Equipment, Pipes and Fittings Made of Acid-resistant Phenolic Plastic 3 Type and Basic Dimensions
Type and basic dimensions are as specified in the figure and table below. Note: Unspecified corners>3mmwww.bzxz.net
Enlarged view of part A
Approved by the Ministry of Chemical Industry of the People's Republic of China on August 19, 1991 and implemented on January 1, 1992
Nominal diameter||tt| |Quality inspection of raw materials and products,
packaging,
HG/T2129.14--91
Quality inspection of raw materials and products,
packaging,
Marking example
Storage and transportation should comply with the provisions of HG/T2128,
Permissible pressure at room temperature
MPa(kgf/cm)
Acid-resistant phenolic plastic flanged 90° arc elbow with nominal diameter DN=32mm, its marking symbol is: elbow DN32HG/T2129.14-91
Additional instructions:
This standard was 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. The main drafters of this standard are He Jiabing and He Jin. 32
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