HDPE Siphon Pipe

HDPE Siphon Pipe
Siphon rainwater drainage system is a new technology which is developed very fast in Europe, American, Japan, South-American, Asia and Africa countries. It is a more scientific and advanced technology, can be used on big construction building like factory, workshop, warehouse and public building. The inner drainage system has obviously advantages comparing with the traditional gravity current drainage system.
HDPE Siphon Pipe, HDPE Drainage Pipe, HDPE Corrugated Pipe, HDPE Trenchless Pipe, HDPE Water Supply Pipe, HDPE GSHP pipe, HDPE Pipe Fittings Factory.
Specification
Straight Series
Nominal Diameter S16 S25
DN
(mm) Tolerance (mm) Wall Thickness (mm) PN
(Mpa) Wall Thickness
(mm) PN
(Mpa)
32 +0.3 — — 3.0 1.3
40 +0.4 — — 3.0 1.1
50 +0.5 — — 3.0 0.8
63 +0.6 — — 3.0 0.7
75 +0.7 — — 3.0 0.5
90 +0.8 — — 3.5 0.5
110 +0.8 — — 4.2 0.5
125 +0.9 — — 4.8 0.5
160 +1.0 — — 6.2 0.5
200 +1.1 6.2 0.4 7.7 0.5
250 +1.3 7.8 0.4 9.6 0.5
315 +1.5 9.8 0.4 12.1 0.5
Coil Series
Nominal Diameter S16
Length: M/Roll
DN
(mm) Tolerance
(mm) Wall Thickness
(mm) PN
(Mpa)
32 +1.4 3.0 1.3 50, 100, 200, 300, 500
40 +1.5 3.0 1.1
50 +1.6 3.0 0.8 50, 100, 200
63 +1.7 3.0 0.7 50, 100

Properties
Project Requirement
Longitudinal reversion(110℃) ≤3% No delamination, cracking and blistering
MFR
(5kg, 190℃)/(g/10min) 0.2≤MFR≤1.1
The MFR difference between the raw material particles should not exceed 0.2
Oxidation induction time
(200℃/min) ≥20
Hydrostatic strength test
(80℃, 165h, 4.6Mpa) No broken, no leakage
Ring stiffness (KN/m3)
Only for the pipes with a “BD” represents SR≥4
Combustion toxicity index ≤1

System Composition
The siphon drainage system is mainly composed of rainwater head, fastening systems,HDPE pipe and the corresponding design
software.
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System Advantages
Compared with the traditional gravity drainage system, the siphon drainage system has advantages as follows:
1. None-slope pipe.
2. Less material used.
3. The construction cost is greatly reduced.
4. Reducing the requirement of pipes’ diameter.
5. Save installation space.
6. The pipe has its self-cleaning function.
7. The design and installation is simple and quick.
8. Widely applicable to various buildings.

Features:
1. UV resistance, ageing resistance, long service life of 50 years.
2. Smooth inner wall and tiny frictional resistance.
3. The pressure loss is about 30% less than the steel tube, so smaller diameter of HDPE pipe could be chose.
4. Health performance is good. No additives and no possibility of pollution of drinking water,ISO standard grading polyethylene material
level is0 (the lowest)and no mildew material. Compared with some other commonly used plastic material, PE is much mildew resistance and it could be used for a long time without fouling.
5. PE pipe can be welded to be an organic whole system.