4 Inch Black Hdpe Pipe Straight Pipe
4" Black Hdpe Straight Pipe, that is,high-density polyethylene pipe with a diameter of 4 inches (about 110 mm), is a kind of pipe widely used in various building water supply and drainage, municipal drainage and sewage, farmland irrigation, and other fields. The wall thickness is available in various specifications, such as 1.0mm, 1.6mm, 2.0mm, etc. The specific specifications must be selected according to the use scenario and requirements.

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Product specification:
Product name4 inch Black Hdpe Straight Pipe
Working Pressure1.0,1.25,1.6,2.0mpaMaterialpolyethylene
Outside diameter (dn)4 inch (or as requirements)Length6m,12m(or as requirements)
Thickness6.6mm,8.1mm,10.0mm,12.3mmStandardISO, GB/T13663.2
FeatureSmooth, Fast flow rate, Lightweight, Non-toxicConnectionelectrofusion-jointing
standard dimension ratioSDR17,SDR13.6 SDR11 SDR9Pipe fittingstraight-way connector,tee-junction,flange and etc.
Packing20' or 40' ContainerApplicationWater supply, drainage

Product features:
Strong corrosion resistance: HDPE materials have excellent chemical stability and can resist the erosion of a variety of chemical substances, including acid and alkali solutions and salts, which makes HDPE tubes can also operate stably in corrosive environments for a long time.

Smooth inner wall, low flow resistance: The inner wall of the HDPE pipe is very smooth, and the friction coefficient is low, so the resistance of the medium when flowing in the pipe is small, which can significantly improve the transmission efficiency and reduce energy consumption.

Excellent flexibility: The HDPE pipe has high flexibility and can withstand a certain amount of bending and deformation without breaking, which makes it better adaptable in areas with complex geological conditions or where obstacles need to be bypassing.

Good wear resistance: HDPE tubes have excellent wear resistance and can maintain a long service life even when conveying media containing solid particles.

Light weight, easy to transport and install: Compared to traditional pipes, HDPE pipes are lighter in weight, which not only reduces transportation costs, but also makes the installation process easier and faster.

Why chose us?

Advanced production process: automatic unpacking equipment, centralized feeding system, meter weight control system, ultrasonic testing system to ensure the excellent quality of products.

Scale manufacturing capacity: DHPI is A listed enterprise in China, with its own R & D and production base, 4 factories, and more than 1000 employees.

Quality assurance capability: We have a national CNAS laboratory to provide fair experimental test data.

Product inspection items:

We have national CNAS testing laboratory, and has a perfect and strict 10S testing system.pipe Inspection items have appearance, appearance, light permeability, size, physical properties, mechanical properties, negative pressure test, deflection Angle test and connection sealing test.
Physical property:

itemprojectdemendtest parametersway
1MFR(g/10 min)≤20%aLoad mass test temperature5 kg  190 ℃7. 5
2Oxidation induction time≥20 mintest temperature210 ℃7. 6
3Longitudinal retraction rate≤3%test temperature specimen length110 ℃   200 mm7. 7
4Carbon black content b2. 0% ~ 2. 5%7. 8
5Carbon black dispersion/pigment dispersion c≤3grade7. 9
6ash content≤0. 1%test temperature(850±50) ℃7. 10
7elongation at break en≤5 mm≥350%d,eSample shape Test speedtype 2100 mm/min 7. 11
elongation at break 5 mm≥350%d,eSample shape Test speedtype 1f50 mm/min
elongation at break en >12 mm≥350%d,eSample shape Test speedtype1f25 mm/min
or
Sample shape Test speedtype 3f10 mm/min
8Resistant to slow crack growthen≤5 mm(cone test)<10 mm/24h — —7. 12
9Resistant to slow crack growthen >5 mm(notch test)No damage, no leakageTest temperature Internal test pressure :PE 80,SDR 11PE 100,SDR 11 Test time Test type80 ℃ 0. 80 MPag0. 92 MPag500 7. 12



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