It is enough to take the RVC fitting in hand to understand that it is the standard of quality among polymer fittings

HDPE pipe

HDPE pipe
Technical parameters:
Intending use: for irrigation.
Linear expansion coefficient: 0,018 mm/m °С
GOST 18599-2001
Delivery form: bays 25m / 50m /100m / 200m
Temperature:
20⁰С working temperature
40⁰С maximum
Pressure:
PN8
Sizes
Diameter, mm Wall thickness, mm Number in the Bay (m)
20 2,0 100 / 25
25 2,0 100 / 25
32 2,4 50 / 25