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Gas Pipe Series
HDPE Gas Pipe
Standard: EN1555
1. Size: OD20-630mm(1/2inch-24inch).
2. Pressure: SDR6, SDR7, SDR9, SDR11, SDR13.6, SDR17, SDR17.6, SDR21, SDR26, SDR32.5.
3. Material: PE100, PE80, PE4710, PE3608, PE100RC.
4. Length: 5.8M/11.8M. Coil Length 100m-200m A Roll for DN20-90mm.
5. Applications: Oil, Natural gas, Methane, etc.
6. Standard: ISO4437, EN1555, GB/T15558, AS/NZS4130, ASTM D2513, etc.
7. Delivery: 10-20 days depending on the total quantity.
- Introduction
- Feature
- Specification
- Physical Parameter
- Application
- Download
Introduction
HDPE gas pipe is a type of polyethylene pipe, mainly used in natural gas and underground oil transmission and distribution systems. This kind of pipe has special properties such as flame retardancy and antistatic performance, and is made of 100% virgin PE4710, PE100 bimodal resin or PE80 materials, delivering superior performance and a longer service life.
Hengde Pipeline provides tailored solutions to meet the surging energy demands of a growing global population. The systems we supply for gas distribution networks have undergone rigorous testing to comply with the highest safety standards and ensure consistent, reliable performance.
Description of HDPE (High Density Polyethylene) Gas Pipe
Hengde Pipeline HDPE gas pipes, manufactured from HDPE (High-Density Polyethylene), are the irreplaceable choice for outdoor natural gas and LP gas mains, as well as reticulation and distribution pipelines. HDPE gas pipes were first adopted in Europe and North America in the 1960s. Today, it is estimated that over 80% of pipelines installed worldwide for the natural gas distribution industry are HDPE pipes.
The quality of gas pipes is of critical importance. To ensure optimal quality, the production of compliant gas pipes must satisfy three essential conditions: highly skilled workers, high-end extrusion machinery, and standardized raw materials.
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Please contact us by email: sales@hengdepipes.com or WhatsApp: +86 15265578500.
Feature
Benefits of (High Density Polyethylene) Gas Pipe
Carefully select materials
Uniform wall thickness
Smooth melting surfaceSmooth inner wall
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Reliable Connections Ensuring Zero Leakage: Polyethylene pipe systems are joined via butt fusion or electrofusion, with joint strength exceeding that of the pipe itself.
Superior Corrosion Resistance: PE is an inert material that resists a wide range of chemical media.
Exceptional Toughness: Its elongation at break typically exceeds 500%, delivering strong adaptability to uneven foundation settlement and excellent seismic performance.
Excellent Flexibility of HDPE Pipes: Boasting scratch resistance and outstanding resistance to rapid crack propagation (RCP), HDPE pipes support diverse installation methods to minimize overall installation costs.
Long Service Life: Each pipe is rated for a service life of 50–100 years, ensuring permanent leak-free and break-free performance.
Specification
| Nominal Out-side Diameter DN/OD | Mean Outside Diameter dem |
Maximum out of roundness for straight pipesbc | PE80 Material | PE100 Material | |||||
| SDR11/ PN4 Bar | SDR17.6/ PN4 Bar | SDR11/ PN10 Bar | |||||||
| Min. | Max.a | T.(mm) | Weight (kg/m) | T.(mm) | Weight (kg/m) | T.(mm) | Weight (kg/m) | ||
| 16 | 16 | 16.3 | 1.2 | - | - | - | - | - | - |
| 20 | 20 | 20.3 | 1.2 | 2.3 | 0.12 | 2.3 | 0.13 | 3.0 | 0.16 |
| 25 | 25 | 25.3 | 1.2 | 2.3 | 0.15 | 2.3 | 0.17 | 3.0 | 0.21 |
| 32 | 32 | 32.3 | 1.3 | 2.9 | 0.27 | 2.3 | 0.22 | 3.0 | 0.28 |
| 40 | 40 | 40.4 | 1.4 | 3.7 | 0.43 | 2.3 | 0.28 | 3.7 | 0.43 |
| 50 | 50 | 50.4 | 1.4 | 4.6 | 0.67 | 2.9 | 0.44 | 4.6 | 0.67 |
| 63 | 63 | 63.4 | 1.5 | 5.8 | 1.05 | 3.9 | 0.69 | 5.8 | 1.06 |
| 75 | 75 | 75.5 | 1.6 | 6.8 | 1.47 | 4.3 | 0.98 | 6.8 | 1.48 |
| 90 | 90 | 90.6 | 1.8 | 8.2 | 2.12 | 5.2 | 1.39 | 8.2 | 2.13 |
| 110 | 110 | 110.7 | 2.2 | 10.0 | 3.14 | 6.3 | 2.08 | 10.0 | 3.18 |
| 125 | 125 | 125.8 | 2.5 | 11.4 | 4.08 | 7.1 | 2.67 | 11.4 | 4.11 |
| 140 | 140 | 140.9 | 2.8 | 12.7 | 5.08 | 8.0 | 3.36 | 12.7 | 5.14 |
| 160 | 160 | 161.0 | 3.2 | 14.6 | 6.67 | 9.1 | 4.35 | 14.6 | 6.81 |
| 180 | 180 | 181.1 | 3.6 | 16.4 | 8.42 | 10.3 | 5.56 | 16.4 | 8.49 |
| 200 | 200 | 201.2 | 4.0 | 18.2 | 10.40 | 11.4 | 6.79 | 18.2 | 10.50 |
| 225 | 225 | 226.4 | 4.5 | 20.5 | 13.10 | 12.8 | 8.60 | 20.5 | 13.26 |
| 250 | 250 | 251.5 | 5.0 | 22.7 | 16.20 | 14.2 | 10.63 | 22.7 | 16.37 |
| 280 | 280 | 282.6 | 9.8 | 25.4 | 20.30 | 15.9 | 13.29 | 25.4 | 20.43 |
| 315 | 315 | 317.9 | 11.1 | 28.6 | 25.60 | 17.9 | 61.82 | 28.6 | 25.90 |
| 355 | 355 | 358.2 | 12.5 | 32.2 | 32.50 | 20.2 | 21.42 | 32.2 | 32.85 |
| 400 | 400 | 403.6 | 14.0 | 36.3 | 41.30 | 22.8 | 27.20 | 36.3 | 41.80 |
| 450 | 450 | 454.1 | 15.6 | 40.9 | 52.30 | 25.6 | 34.40 | 40.9 | 52.96 |
| 500 | 500 | 504.5 | 17.5 | 45.4 | 64.50 | 28.4 | 42.45 | 45.4 | 66.15 |
| 560 | 560 | 565.0 | 19.6 | 50.8 | 80.80 | 31.9 | 53.20 | 50.8 | 81.53 |
| 630 | 630 | 633.8 | 22.1 | 57.2 | 102.00 | 35.8 | 67.35 | 57.2 | 103.30 |
| Max. a Grade B according to ISO11922-1 Maximum out of roundness for straight pipesbc measurement of out-of-roundness shall be made at the point of manufacturing. If other values for the out-of- roundness than those given in this table are necessary(eg coiled pipes), they shall be agreed between the manufacturer and the end user. Ohter size on request. Color: Black with yellow lines or Yellow. |
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Feel free to contact us for product catalogs, quotations and professional technical support.
Please contact us by email: sales@hengdepipes.com or WhatsApp: +86 15265578500.
Physical Parameter
| EN1555-2:2021 | ||||||
| Characteristic | Requirement | Test parameter | Test method | |||
| Parameter | Value | |||||
| Hydrostatic strength (20 °C, 100 h) o |
No failure during the test period of any test piece |
End caps | Type A a of EN ISO 1167-1:2006 |
EN ISO 1167-1:2006 and EN ISO 1167-2 |
||
| Orientation | Free | |||||
| Conditioning time at test temperature |
Shall conform to EN ISO 1167-1:2006 |
|||||
| Number of test pieces | 3 | |||||
| Type of test | Water-in-water | |||||
| Circumferential (hoop) stress for: PE 80 |
10,0 MPa | |||||
| PE 100 and PE 100-RC | 12,0 MPa | |||||
| Test period | 100 h | |||||
| Test temperature | 20 °C | |||||
| Hydrostatic strength (80 °C, 165 h) o |
No failure during the test period of any test piece |
End caps | Type A a of EN ISO 1167-1:2006 |
EN ISO 1167-1:2006 and EN ISO 1167-2 |
||
| Orientation | Free | |||||
| Conditioning time at test temperature |
Shall conform to EN ISO 1167-1:2006 |
|||||
| Number of test pieces | 3 | |||||
| Type of test | Water-in-water | |||||
| Circumferential (hoop) stress for: PE 80 |
4.5 MPa | |||||
| PE 100 and PE 100-RC | 5.4 MPa | |||||
| Test period | 165 h | |||||
| Test temperature | 80 °C | |||||
| Hydrostatic strength (80 °C, 1000 h) o |
No failure during the test period of any test piece |
End caps | Type A a of EN ISO 1167-1:2006 |
EN ISO 1167-1:2006 and EN ISO 1167-2 |
||
| Orientation | Free | |||||
| Conditioning time at test temperature |
Shall conform to EN ISO 1167-1:2006 |
|||||
| Number of test pieces | 3 | |||||
| Type of test | Water-in-water | |||||
| Circumferential (hoop) stress for: PE 80 |
4.0 MPa | |||||
| PE 100 and PE 100-RC | 5.0 MPa | |||||
| Test period | 1000 h | |||||
| Test temperature | 80 °C | |||||
| Elongation at break | ≥350 | Thickness | e ≤ 5 mm | EN ISO 6259-1 and EN ISO 6259-3:2015 |
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| Test piece shape | Type 2 | |||||
| Speed of test | 100 mm/min | |||||
| Number of test pieces | Shall conform to EN ISO 6259-1 |
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| Elongation at break | ≥350 | Thickness | 5 mm < e ≤ 12 mm | EN ISO 6259-1 and EN ISO 6259-3:2015 |
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| Test piece shape | Type 1 | |||||
| Speed of test | 50 mm/min | |||||
| Number of test pieces | Shall conform to EN ISO 6259-1 |
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| Elongation at break | ≥350 | Thickness | e > 12 mm | EN ISO 6259-1 and EN ISO 6259-3:2015 |
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| Test piece shape | Type 1 | |||||
| Speed of test | 25 mm/min | |||||
| Number of test pieces | Shall conform to EN ISO 6259-1 |
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| OR | ||||||
| Test piece shape | Type 3 | |||||
| Speed of test | 10 mm/min | |||||
| Number of test pieces | Shall conform to EN ISO 6259-1 |
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| Resistance to slow crack growth PE 80 and PE 100 Notched Pipe test (NPT) |
No failure during the test period of any test piece |
Thickness Test | e > 5 mm | ISO 13479:—2 | ||
| temperature | 80 °C | |||||
| Internal test pressure for: | ||||||
| PE 80, SDR 11 | 8,0 bar | |||||
| PE 100, SDR 11 | 9,2 bar | |||||
| Test period | 500 h | |||||
| Type of test | Water-in-water | |||||
| Number of test pieces | ISO 13479:—2 | |||||
| Resistance to slow crack growth PE 100-RC Strain – Hardening test h (SHT) |
≥ 50,0 MPa |
Test sample | Compression moulded sheet made from regrind from pipe i |
ISO 18488 | ||
| Test temperature | 80 °C | |||||
| Thickness | 300 µm | |||||
| Number of test pieces | Shall conform to ISO 18488 |
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| Resistance to slow crack growth PE 100-RC (Accelerated Notched Pipe test) h (ANPT) |
No failure during the test period |
Pipe size | 110 mm SDR 11 | ISO 13479:—2 | ||
| Test temperature | 80 °C | |||||
| Internal test pressure | 9,2 bar | |||||
| Test period | 300 h | |||||
| Type of test | Water-inNonylphenol ethoxylate |
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| Number of test pieces | Shall conform to ISO 13479:—2 |
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| Resistance to slow crack growth PE 100-RC Cracked Round Bar test h (CRB) |
≥ 1,5 × 106 cycles |
Test sample | Machined from pipe | ISO 18489 | ||
| Pipe thickness | e > 16 mm | |||||
| Test temperature | 23 °C | |||||
| Type of test | In air | |||||
| Diameter of test piece | 14 mm | |||||
| Reference stress level | 12,5 MPa | |||||
| Waveform/frequency | Sinusoid/10 Hz | |||||
| Number of test pieces | 4 | |||||
| Resistance to rapid crack propagation (RCP) (Critical pressure, pc) |
pc ≥ 1,5 MOP with Pc = 3,6 pc,s4 + 2,6 n |
Test temperature | 0 °C | EN ISO 13477 | ||
| Number of test pieces | Shall conform to EN ISO 13477 |
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Feel free to contact us for product catalogs, quotations and professional technical support.
Please contact us by email: sales@hengdepipes.com or WhatsApp: +86 15265578500.
Application
High-density polyethylene pipes (HDPE) deliver exceptional value, unwavering reliability and remarkable advantages over conventional piping systems. They are widely used for urban gas transmission pipelines, liquefied petroleum gas (LPG) transmission pipelines, and industrial gas pipelines; additionally, they are the optimal choice for oilfield flow and gathering lines, petroleum product pipelines, compressed air pipelines, coal seam gas (CSG) gathering systems, as well as the transmission of oil-gas mixtures.
Oil transfer.
Water transfer.
Process water conveyance.
Methane gas collection.
Oil and gas gathering.
Gas distribution systems.
Mining applications.
Sour and wet gas pipelines.
Offshore oil & gas operations.
Liquefied Petroleum Gas (LPG) transmission pipelines.
Industrial gas pipelines.
Feel free to contact us for product catalogs, quotations and professional technical support.
Please contact us by email: sales@hengdepipes.com or WhatsApp: +86 15265578500.
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