HG/T 2129.20-1991 Flange type right angle reducing tee for chemical equipment parts made of acid-resistant phenolic plastics

HG/T 2129.20-1991 Acid-resistant phenolic plastics for chemical equipment parts Flange type right angle reducing tee HG/T2129.20-1991 Standard download decompression password: www.bzxz.net

Scope of application
Chemical Industry Standard of the People's Republic of China
Flanged right-angle reducing tees made of acid-resistant phenolic plastic for chemical equipment parts
HG/T2129.20-91
This standard applies to flanged right-angle reducing 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 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. q(q)
4 parts
1991-08-19 Ministry of Chemical Industry of the People's Republic of China approved the conversion to r>3mm
010 selling point
nominal diameter
100/80
150/100
200/150
250/200
300/250
350/300
400/350
450/400
500/450
128/94
148/128
20 6/148
256/206
320/256
370/320
430/370
480/430
538/480
594/538
HG/T2129.20—91
Quality inspection,
Packaging,
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)
For the flanged right-angle reducing tee made of acid-resistant phenolic plastic with nominal diameter DN=50mm and DN=32mm, the marking symbol is:
Tee DN50/32HG/T2129.20—91
6 Selection instructions
For flanged right-angle reducing tees outside the standard series, the supplier and the buyer can still use this standard number through negotiation. For example, for the flanged right-angle reducing tee made of acid-resistant phenolic plastic with nominal diameter DN=300mm and DN=100mm, the marking symbol is:
Tee DN300/100HG/T.2129.20-91 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 Industry 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.