What standards are applicable to PPR pipes and fittings used in the chemical industry? ? ? ?

2019-08-18View Original

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What standards are applicable to PPR pipes and fittings used in the chemical industry for pipes with a pressure rating of 2.5 MPa? hg20539 is only available in the 1.0mpa specification

Reply #22019-08-19

HGJ 534-1991 Glass fiber reinforced plastic pipes and fittings; HG20539-1992 Reinforced polypropylene (FRPP) pipes and fittings

Reply #32019-08-19

The maximum pressure in 20539 is only 1.0 MPa

Reply #42019-08-20

HG 20539-1992 specifies pressures of 0.6 Mpa and 1.0 Mpa for reinforced polypropylene (FRPP) pipes and fittings; HGJ 534-1991 and HG/T21579-1995 regarding polypropylene/fiberglass-reinforced plastic (PP/FRP) composite pipes and fittings, as well as HG/T21636-1987 for fiberglass-reinforced plastic/polyvinyl chloride (FRP/PVC) composite pipes and fittings, specify three pressure levels: 0.6 Mpa, 1.0 Mpa, and 1.6 Mpa.

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What standards are applicable to PPR pipes and fittings used in the chemical industry? ? ? ?

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