HG/T 2129.22-1991 Flange-type right-angle equal-diameter cross for chemical equipment parts made of acid-resistant phenolic plastics

HG/T 2129.22-1991 Acid-resistant phenolic plastics for chemical equipment parts Flange type right angle equal diameter cross HG/T2129.22-1991 Standard download decompression password: www.bzxz.net

Scope of application
Chemical Industry Standard of the People's Republic of China
Flanged right-angle equal-diameter cross made of acid-resistant phenolic plastic for chemical equipment parts
HG/T2129.22-91
This standard applies to flanged right-angle equal-diameter cross made of acid-resistant phenolic plastic with an allowable temperature of -30℃ to 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 phenol-free plastic 3 Types and basic dimensions
Types and basic dimensions are as specified in the following figure and table. A-part enlarged view
Note: r>3mm at corners not specified
Approved by the Ministry of Chemical Industry of the People's Republic of China on August 19, 1991 [implemented on January 1, 1992]
Nominal diameter
HG/T2129.22—91
Quality inspection, packaging, storage and transportation of raw materials and products 6
Quality inspection, packaging, storage and transportation of raw materials and products shall comply with the provisions of HG/T2128,
5 Marking examples
Allowable pressure at room temperaturebzxZ.net
MPa(kgf/cm*)
0.15 (1. 5)
0.13 (1.3)
The flanged right-angle equal-diameter cross made of acid-resistant phenolic plastic with a nominal diameter of DN=32mm is marked as Cross DN32HG/T2129.22-91
Additional instructions:
This standard was proposed by China National Chemical Equipment Corporation and coordinated by 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.
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.