JDP uses cookies to make this site simpler. Find out more about cookies

PE80 Gas Pipe

JDP supplies PE80 pipes in yellow for gas distribution, in standard SDR11 & SDR17.6 ratings. PE100 pipes are also available for higher pressure applications.

SDR11 PE80 Polyethylene Coils
Size (OD mm) Wall Thickness (mm) Nominal Bore (mm) Approx Weight (kg/m)
20 2.4 15.2 0.12
25 2.5 20.1 0.17
32 3.1 25.8 0.28
50 4.8 40.4 0.67
63 6.1 50.9 1.05
Size (OD mm) 6m 50m 100m 150m
20 090320G6 090320G50 090320G100 090320G150
25 090325G6 090325G50 090325G100 090325G150
32 090332G6 090332G50 090332G100 090332G150
50 090350G6 090350G50 090350G100 090350G150
63 090363G6 090363G50 090363G100 090363G150
SDR11 PE80 Polyethylene
Size (OD mm) Wall Thickness (mm) Nominal Bore (mm) Approx Weight (kg/m)
90 8.6 72.9 2.10
125 11.9 101.2 4.04
160 15.2 129.8 6.61
180 17.0 146.0 8.36
250 23.6 202.8 16.10
315 29.7 255.6 25.54
355 33.5 288.1 32.43
Size (OD, mm) 6m 12m 50m 100m
90 1003090G6 1003090G12 1003090GC50 1003090GC100
110 1003110G6 1003110G12 1003110GC50 1003110GC100
125 1003125G6 1003125G12 1003125GC50 1003125GC100
160 1003160G6 1003160G12 1003160GC50 1003160GC100
180 1003180G6 1003180G12 1003180GC50 1003180GC100
200 1003200G6 1003200G12
225 1003225G6 1003225G12
250 1003250G6 1003250G12
280 1003280G6 1003280G12
315 1003315G6 1003315G12
355 1003355G6 1003355G12
SDR17.6 PE80 Polyethylene
Size (OD mm) Wall Thickness (mm) Nominal Bore (mm) Approx Weight (kg/m)
90 5.4 79.3 1.38
125 7.4 110.3 2.64
180 10.6 158.9 5.45
250 14.7 220.7 10.49
315 18.4 278.2 16.63
355 20.8 313.5 21.11
400 23.4 353.3 26.78
450 26.3 397.5 33.88
500 29.2 441.6 41.81
560 32.6 494.8 52.53
Size (OD, mm) 6m 12m 50m 100m
90 1003090G76 1003090G712 1003090G7C50 1003090G7C100
110 1003110G76 1003110G712 1003110G7C50 1003110G7C100
125 1003125G76 1003125G712 1003125G7C50 1003125G7C100
160 1003160G76 1003160G712 1003160G7C50 1003160G7C100
180 1003180G76 1003180G712 1003180G7C50 1003180G7C100
200 1003200G76 1003200G712
225 1003225G76 1003225G712
250 1003250G76 1003250G712
280 1003280G76 1003280G712
315 1003315G76 1003315G712
355 1003355G76 1003355G712
400 1003400G76 1003400G712
450 1003450G76 1003450G712
500 1003500G76 1003500G712
560 1003560G76 1003560G712
EN13244:2003

Plastic piping systems for general purpose water, drainage and sewerage - polyethylene.

PE pipes can be jointed by Electrofusion or Butt-fusion. This method allows pipe to be fused outside of the trench, reducing the trench width required and minimising excavation.

For Electrofusion and Butt-fusion jointing see jointing guides at the end of the Fabricated Fittings section.

Laying of Pipes

The pipes should be installed in the trench with the pipe markings uppermost. Polyethylene may in some instances be laid directly onto the trimmed trench bottom where the soil is uniform, fine grained and free from large stones and flints.

In other cases the trench should be excavated to a depth to allow for a minimum 100mm bed of gravel, crushed stone or coarse sand. A sand/gravel mix is also acceptable, provided the gravel is less than 20mm in size.

Joint clearance holes should be dug into the trench to ensure pipe and sockets are laid level.

Pipes can be laid either in a conventional open cut trench and jointed in the trench, or a narrow trench where the pipes are jointed above ground and subsequently lowered into the trench.

The current practice in the UK is to lay service pipes at 750mm cover and mains pipes at 900mm cover, measured from the pipe crown.

The width of an open cut trench should be the minimum of pipe O.D. plus 250mm to allow for the correct compaction of sidefill and room to work in the trench.

The location of cables and pipes from other utilities should be identified prior to excavation and supported / protected throughout. Any damage should be reported.

Trench walls 1.2m and deeper must be supported – guidance on excavation techniques can be found in:

  • BS 6031 Code of practice for Earthworks (general trenchworks)
  • Report No. 97 Trenching practice (more specific advice)
  • Report UM 1049 : 1990 (review of current practices)

Trench reinstatement in highways is covered in the NRASWA "Specification for the Reinstatement of Openings in Highways", 1992. This code was introduced with the aim that all highway reinstatement is completed as soon as possible to a consistent prescribed performance criteria.

Polyethylene is a flexible material and can deform under load without damage. It is however, important that any deformation is minimised and that the placement of the correct sidefill and initial backfill materials is carried out correctly with adequate compaction. Further details on bed and fill materials are given in WIS 4-08-01.

A minimum 100mm cover should be placed above the crown of the pipe, with heavy compaction equipment not being used with less than 300mm cover. Backfilling can then proceed in 300mm layers.

Trench backfilling should commence as soon as possible after pipe laying to give the pipe protection from damage from objects possibly falling into the trench. To protect the pipe from potential future interference damage it is good practice to install a marker tape 300mm above pipe crown.

Marker tapes can also include a tracer wire to allow future identification of the pipeline. See accessories section for marker tapes.

Handling and Storage

Take care when handling and storing pipes not to scrape and scuff the pipe. Scores and scrapes at less than 10% of the wall thickness will not affect the service performance.

Black, Black/Blue stripe and Black/Brown stripe polyethylene is UV stabilised providing it with excellent protection against UV radiation.

Blue and yellow polyethylene contains enough UV stabilisation to resist degradation in storage only. The maximum recommended storage outside, in the UK, is 12 months. Products stored for longer should be covered or stored inside.

Always
  • Store pipes on level, firm ground
  • Keep pipe away from sharp objects and stones
  • Keep protective packaging intact until required for use
Never
  • Drag or roll pipes
  • Throw or drop pipe
  • Use metal slings and hooks around the pipe
  • Store pipes close to petrochemicals or other aggressive materials