ASB PPR PIPES

ZHEJIANG AISHUIBAO PIPING SYSTEMS CO.,LTD

TEL: 86-575-87616738, 87652158         FAX: 86-575-87650158

WEBSITE: www.aishuibao.com           EMAIL: asb@aishuibao.com

 

 

TECHNICAL SPECIFICATIONS

FOR PPR-AL-PPR PIPES

 

I.                    Appearance

II.     Physical Properties

III.               Hygienic Standard

IV.    Using Scope

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I.  Appearance:

1.       color and appearance

Normal color includes: grey, snow-white, green and blue

The inside and outside surface of the pipes should be smooth, flat, clean, without any hollow, obvious nick or other defects that affect the appearance of the surface. The pipe can not have visible impurities. The end of the pipe should be cut flat and vertical to the pipe axis.

2.       Size

The pipes main sizes are as per the following chart.

Nominal Outside Diameter

dn

Average Outside Diameter

Roundness

Inner Layer Min.Wall Thickness

ei

Outer Layer Min.Wall Thickness

eo

dem.min

dem.max

Roll

Straight

16

16.0

16.3

1.0

0.5

0.80

1.60

20

20.0

20.3

1.2

0.6

0.90

1.70

25

25.0

25.3

1.5

0.8

1.00

1.80

32

32.0

32.3

2.0

1.0

1.10

2.10

40

40.0

40.4

1.2

1.50

2.60

50

50.0

50.5

1.5

1.80

3.00

63

63.0

63.6

1.9

2.40

3.80

75

75.0

75.7

2.3

2.60

4.80

3.       Shape:

The pipes should be supplied in rolls or straight bars.

 

II. Physical Properties

  1. Main physical properties are as per the following chart.

  

Test Item

 

 

 

Nominal

Dia. dn/mm

Tensile Strength

/N

Min.Average Exfoliation Strength

/N

Break Pressure /MPa

Static Hydraulic Pressure

Test Pressure

/MPa

Test Temperature/

Test Time

/h

16

2300

35

6.0

2.72

82

10

20

2500

38

5.0

25

2500

40

4.0

32

2650

45

40

3500

50

2.10

50

3700

60

3.8

63

5500

70

75

6000

80

 

III. Hygienic Standard (for water contact).

No.

Item

Unit

Standard

1

Color Degree

Degree

No added color degree

 

2

Feculent Degree

degree

Added degree0.5

 

3

Smell

description

No obvious smell

 

4

Visible Impurity

description

No

 

5

PH

 

No change on PH

 

6

Fe

mg/L

0.03

 

7

Mn

mg/L

0.01

 

8

Cu

mg/L

0.1

 

9

Zn

mg/L

0.1

 

10

phenol

mg/L

0.002

 

11

Sn

mg/L

0.005

 

12

Hg

mg/L

0.001

 

13

Cd

mg/L

0.001

 

14

Pb

mg/L

0.005

 

15

Ag

mg/L

0.005

 

16

Fluorid

mg/L

0.1

 

17

Nitrate Nitrogen (N)

mg/L

2

 

18

CrVI

mg/L

0.005

 

19

Evaporated Residue

mg/L

Added qty10

 

20

Consumption of potassium permanganate

mg/L

Added qty2

 

21

chloroform

g/l

6

 

22

Carbon tetrachloride

g/l

0.3

 

23

Al

mg/L

0.02

 

IV. Using Scope

The following tests show the using scope of the pipes

1.       Pipeline static hydraulic test

Test Pressure/MPa

Test Temperature/

Test Time/h

Test Samples/pcs

1.31

95

1000

3

 

2.       Heating cycle test

Max. Temperature/

Min. Temperature/

Test Pressure /MPa

Cycling Times/pcs

Test Sample

/pcs

95

20

2.5

5000

1

Remarks: one cycling time is 30minutes, including 15min at Max.temperature and 15min at the Min. temperature

During the tests, no inflation, leakage, break or damage occurs at the pipes, fittings or connection parts.