DIN 8074 - 1996: Pipes of high density polyethylene dimensions
DIN 8075: 1996: Pipes of high density polyethylene testing
ISO 4427: Polyethylene pipes for water supply: specifications
ISO 161-1 & ISO 1872: Thermoplastic pipes for conveyance of fluids
CEN/TC 155 WI 024.2(/218): Plastic piping systems for gaseous fuels supply - polyethylene part 2: pipes
ISO 4437: Buried polyethylene pipes for the supply of gaseous fuels
ASTM 2513: Standard specification for thermoplastic gas pressure pipe, tubing and fittings
CEN/TC 155 WI.020: Plastic piping systems for water supply
PS 3580 (R) 1997: Polyethylene pipes for water supply



Testing Facilities
a. Melt flow Indexer
b. Pigment dispersement
c. Computer controlled short term pressure test
d. Computer controlled long term hydrostatic test.
e. Electronic weighing scales
f. Digital equipment for measurement of wall thickness and diameter
g. Dart impact testing
h. Heat reversion test
i. Dumbbell Cutting Machine for tensile testing.
j. Diameter measurement with circumference gauges.
The following data is stamped on every meter of pipe:
1. Material classification
2. Production code
3. Pressure rating
4. Usage
5. Size
6. Standard
7.Progressive length in meters
