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Underground Pipes - Marley Pipe Systems
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Marley Products

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Underground Pipes

Code

Size
(mm)

Length
(m)

Type

Wall Thickness (mm)

Weight
(kg/m)

Normal duty pipe Class 51, SABS 791
UL420

110

6

Plain Ended

2.3

1.20
UZN420

110

6

Socketed Rubbering

2.3

1.20
UL620

160

6

Plain Ended

3.2

2.55
UZN620

160

6

Socketed Rubbering

3.2

2.55
UZN820

200

6

Socketed Rubbering

 3.9

3.91

Heavy duty pipe, Class 34, SABS 791
ULH420

110

6

Plain Ended

3.2

1.62
UZH420

110

6

Socketed Rubbering

3.2

1.62
ULH620

160

6

Plain Ended

4.7

3.67
UZH620

160

6

Socketed Rubbering

4.7

3.67
UZH820

200

6

Socketed Rubbering

5.9

5.63

SABS 1601 Pipe 100kPa, 200kPa & 400kPa Maincore
ULE420

110

6

Plain Ended

1.85

1.04
ULE422

110

6

Plain Ended

2.40

1.30
UZF620

160

6

Socketed Rubbering

4.4

3.50

Note* In the pipe tables above, “kPa Stiffness” is not a pressure rating.
“kPa Stiffness” refers to the pipe’s stiffness (crush strength).

The pascal (symbol: Pa) or kilopascal (kPa) is the SI derived unit of pressure or stress – in this case, stress.

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