PP Spiral Wound Pipe Manufacturer

PP spiral wound pipe is made of polypropylene (PP) as the main raw material, which adopts a one-step molding process to extrude a specific trapezoid shape of the inner tube through the automatic extrusion equipment, and then composite structural wall pipe by winding technology through the molding machine.

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Product Features Application Areas Specification & Dimension Performance Indicators

Product Features

1. High ring stiffness: Spiral wound pipe adopts advanced production technology, imported high-rigidity raw materials and solid structural principles in the production process to ensure that the pipe has sufficient strength and other physical properties.
2. Anti-aging: Spiral wound pipe has good heat resistance and UV resistance to prevent product aging, and its service life exceeds 50 years;
3. Spiral wound pipes have strong impact resistance and good ring flexibility;
4. Compared with steel pipes and cement pipes, PP spiral wound pipe has the characteristics of strong wear resistance, light weight and convenient connection;
5. Good hydraulic performance: PP spiral pipe has a smooth inner wall, small resistance coefficient, fast flow rate and is not easy to scale;
6. Low maintenance cost: Spiral wound pipe only needs to be partially cleaned and unblocked once within 8-10 years, while cement pipe needs to be unblocked once every 2-3 years, which greatly reduces the subsequent maintenance cost.

Application Areas

1. Unpressurized underground buried industrial sewage pipe;

2. Municipal drainage sewage pipes;

3. External drainage of buildings;

4. Rainwater collection and Domestic sewage discharge;

5. Expressway construction.

Specification & Dimension

DN/ID (mm)	Min. average inner diameter	Wall thickness	Min. Connection Length
200	195	1.5	54
300	294	2	64
400	392	2.5	74
500	490	3	85
600	588	3.5	96
800	785	4.5	118
1000	985	5	140
1200	1185	5	162
1300	1285	6.5	─
1400	1385	7	─
1500	1485	7.5	─
1600	1585	8	─
1700	1685	8.5	─
1800	1785	9	─
1900	1885	9.5	─
2000	1985	10	─
2100	2085	10	─
2200	2185	10	─
2300	2285	10	─
2400	2385	10	─
2500	2485	10	─
2600	2585	10	─
2700	2685	10	─
2800	2785	10	─
2900	2885	10	─
3000	2985	10	─
3100	3085	10	─
3200	3185	10	─
3300	3285	10	─
3400	3385	10	─
3500	3485	10	─
3600	3585	10	─

Performance Indicators

Test Item		Indicator		Test Method
Density （kg/m2）		895≤ρ≤920		GB/T 1033.1-2008
Ash Content		≤3%		GB/T 9345.1-2008
Oxidation Induction Time		≥20 min.		GB/T 19466.6-2009
Oven Test		No delamination or cracking at weld		GB/T 8803-2001
Ring Stiffness （KN/m2）	SN2	≥2		GB/T 9647-2015
	SN4	≥4
	SN6.3	≥6.3
	SN8	≥8
	SN12.5	≥12.5
	SN16	≥16
Impact Resistance		TIR≤10%		GB/T 14152-2001
Ring Flexibility		The sample shall be no delamination, no reverse bending, no crack, and the length of the tear starting along the cut shall be ≤0.075 OD or 75 mm		GB/T 9647-2015
Creep Ratio		≤4%		GB/T 18042-2000
Tensile force at the weld (N)		DN/ID＜400mm	380	GB/T 8804.3-2003
		400mm≤DN/ID＜600mm	510
		600mm≤DN/ID＜800mm	760
		800mm≤DN/ID＜2000mm	1020
		2000mm≤DN/ID＜2500mm	1428
		DN/ID＞2500mm	2040

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