HG/T 2129.6-1991 Oval heads for chemical equipment parts made of acid-resistant phenolic plastics

HG/T 2129.6-1991 Acid-resistant phenolic plastics for chemical equipment parts, oval heads HG/T2129.6-1991 Standard download decompression password: www.bzxz.net

Scope of application
Chemical Industry Standard of the People's Republic of China
Oval heads of chemical equipment parts made of acid-resistant phenolic plasticwww.bzxz.net
HG/T2129.6-91
This standard applies to oval heads of acid-resistant phenolic plastic with an allowable temperature of -30 to 130°C and an allowable pressure as specified in the table below? Reference standards
HG/T2128 Technical conditions for chemical equipment, pipes and fittings made of acid-resistant phenolic plastic Type and basic dimensions
Type and basic dimensions are as specified in the figure and table below. Note: r>3mm at the corner not marked.
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
(（650)
HG/T2129.6—91
①The nominal diameters in brackets in the table should not be used as much as possible②The mass is calculated based on the density p=1.8kg/m3,
The normal temperature referred to in this standard is the atmospheric temperature, the normal pressure referred to is the atmospheric pressure, ④For the allowable pressures under other working conditions, see the technical conditions of HG/T2128, Appendix C Quality inspection, packaging, storage and transportation of raw materials and productshe
Raw materials and products The quality inspection, packaging, storage and transportation of products shall comply with the provisions of HG/T2128. 5 Marking example
Oval end cap made of acid-resistant phenolic plastic with a nominal diameter of DN=500mm, its marking symbol is: End cap DN500HG/T2129.6--91
Additional instructions:
This standard was proposed by China National Chemical Equipment Corporation and 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. Quality
Allowable pressure at room temperature
MPa(kgf/cm\)
0.15 (1.5)
0. 13 (1.3)
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