PPR Pipe, PPR-Al-PPR Composite Pipe (08)

Product performance

Greatly reduced linear expansion coefficient, 30% of that of PP-R, which is close to that of the stable composite pipes.
Higher strength and stability of dimension.
Greatly improved resistant to pressure, It can bear 25% more pressure load than PP-R under the same service condition.
Improved resistant to impulse under low temperature.
Excellent resistance to high temperature. It can be used in 900C for long term.
Socket fusion connection with PP-R fittings, credible and convenient.
Smooth and sanitary, being good selection for drinkable water system.




International standard stipulated the safe coefficient of pipe system;
Pipes series
S5
S4
S3.2
S2.5
Nominal pressure Mpa(C=1.25)
1.25
1.6
2
2.5
Nominal pressure Mpa(C=1.5)
1.0
1.25
1.6
2.0
Inner pressure test of pipes:
Item Pipes series
Experimental temperature
Experimental pressure Mpa
Experimental time h
Amount of experiment
Requuires
S5
95
0.68
1000
3
No crake no leaka
S4
95
0.80
1000
3
S3.2
95
1.11
1000
3
S2.5
95
1.31
1000
3
Specification and size
Nominal outside diameter dn
S series
S5
S4
S3.2
S2.5
Nominal wall thickness en
20
2.0
2.3
2.8
3.4
25
2.3
2.8
3.5
4.2
32
2.9
3.6
4.4
5.4
40
3.7
4.5
5.5
6.7
50
4.6
5.6
6.9
8.3
63
5.8
7.1
8.6
10.5
75
6.8
8.4
10.3
_
90
8.2
10.1
12.3
_
110
10.0
12.3
15.1
_