HG/T 2129.21-1991 Right angle equal diameter tees for chemical equipment parts made of acid-resistant phenolic plastics

HG/T 2129.21-1991 Chemical equipment parts made of acid-resistant phenolic plastics Right angle equal diameter tees HG/T2129.21-1991 Standard download decompression password: www.bzxz.net

Scope of application
Chemical industry standard of the People's Republic of China
Right angle equal diameter tees made of acid-resistant phenolic plastic chemical equipment parts
HG/T2129.21-91
This standard applies to right angle equal diameter tees 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 Type and basic dimensionsbzxz.net
Type and basic dimensions are as specified in the figure and table below. Note: Corners not specified>3mm
Ministry of Chemical Industry of the People's Republic of China 199108-19 Approved 1992-01-0 1 Implementation
Nominal diameter
Quality inspection of raw materials and products,
HG/T2129.21-91
Packaging, storage and transportation
Quality inspection of raw materials and products, packaging, storage and transportation shall comply with the provisions of HG/T2128, 5 Marking example
Right-angle equal-diameter tee made of acid-resistant phenolic plastic with nominal diameter DN=20mm, its marking symbol is tee DN20HG/T2129.21-91
Additional instructions:
This standard was proposed by China National Chemical Equipment Corporation, and 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. 46
Allowable pressure with temperature
MPa(kgf/cm)
0. 60 (6)
0. 40 (4)
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