0.4MPa/0.4MPa/0.6MPa/1.0MPa PE pipe for gas pipe
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- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 m
- Supply Capability:
- 5000 m/month
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Specification
Product Name: polyethylene pipes for gas supply
Standard: GB 15558.1-2003
Nominal Pressure: 0.4MPa/0.4MPa/0.6MPa/1.0MPa
Nominal Diameter: 16mm-630mm
Wall Thickness: 2.3mm-57.3mm
PE pipe for gas pipe
Product Name: polyethylene pipes for gas supply
PE gas pipe is made of PE80 and PE100 to be produced by extrusion molding ,suitable for operating at temperature of -20℃～40℃.According to production and testing requirements of national standards GB15558.1-2003 (Gas buried polyethylene pipe) ,wall thickness can be divided into: SDR11 and SDR17.6.SDR11 series for transporting artificial gas, natural gas, liquefied gas;SDR17.6 series for transporting natural gas;nominal diameter of DN16-DN630mm.
Features of PE gas pipe:
PE gas pipeline has many excellent features, such as corrosion resistance, toughness, hardness and softness;also reflects the excellent performancein some special applications . For example,polyethylene pipe has solved corrossion and leakage presence of the traditional steel pipe fittings , and low cost. In addition, the outdoor line and pipeline is laying in the corrosive soil or in the earthquake zone, mountainous and swampy areas .
Main advantages
(1) corrosion resistance
Polyethylene is an inert material, except for a few strong oxidant, can be resistant to a variety of chemical media. No electrochemical corrosion, no coating.
(2) does not leak
Polyethylene pipe use mainly hot melt connection or fused connection,to achieve integration between joint and tubing. Compared with the rubber ring joints or other mechanical joints, because there is not dangerous that joint distortion causes leakage.
(3) High toughness
The elongation at break generally over 50%. excellent seismic performance had become proved in Wenchuan earthquake.
(4) PE pipe has excellent flexibility to be coiled.
Longer length supply without the need for a variety of connection fittings.
(5) good anti-scratch ability
Ability to resist scratches and slow crack growth (SCG) is close.Studies have shown, PE80 gas pipe has better ability and resistance to scratches . PE100 gas pipe have a better ability to resist ing scratches.
(6) Excellent resistance to rapid crack pass.
(7) Long service life up to 50 years
(8) good impact resistance, heavy directly pressure through the pipe will not cause pipeline rupture.
(9) compared with steel, cast iron pipe and steel mesh composite pipe , convenient construction and lower total cost.
Application:
1. Gas Transportation
2. Liquied gas transportation
3. artificial gas transport
4. Industrial gas
5. Industrial corrosive liquid feed delivery
Physcial performance of PE gas pipe
number | item | requirement | test standard | |
1 | long-term hydrostatic strength,Mpa（20℃,50 year，95%） | ≥8.0 | GB15558.1-2003 | |
2 | short-term hydrostatic strength Mpa | 20℃ | ductile failure time 9.0 （h）≥100 | |
80℃ | brittle failure time 4.5 （h）≥165 | |||
Failure time 4.0(h)≥1000 | ||||
3 | thermal stadility（200℃），min | >20 | ||
4 | resistance to stress cracking, h（80℃,4MGpa） | ≥1000 | ||
≥170 | ||||
5 | compression recovery（80℃,4MGpa） | >170 | ||
6 | Longitudinal reversion rate（110℃），% | ≤3 | ||
7 | Elongation at break% | ≥350 | ||
8 | weathering (accumulation pipe by ≥3.5KMJ / m after aging energy) | still meet the performance requirements of 2.3.7, and maintain good weldability | ||
Note: for working temperature -20 ℃ -40 ℃, the maximum working pressure ≤0.4Mpa artificial coal gas and natural gas, liquefied petroleum gas. | ||||
Specification:
nominal outside diameter (mm) | PE80 | PE100 | ||
SDR17.6(≦0.2MPa) | SDR11(≦0.4MPa) | SDR17.6(≦0.6MPa) | SDR11(≦1.0MPa) | |
wall thickness (mm) | wall thickness (mm) | wall thickness (mm) | wall thickness (mm) | |
16 | 2.3 | 3.0 | 2.3 | 3.0 |
20 | 2.3 | 3.0 | 2.3 | 3.0 |
25 | 2.3 | 3.0 | 2.3 | 3.0 |
32 | 2.3 | 3.0 | 2.3 | 3.0 |
40 | 2.3 | 3.7 | 2.3 | 3.7 |
50 | 2.9 | 4.6 | 2.9 | 4.6 |
63 | 3.6 | 5.8 | 3.6 | 5.8 |
75 | 4.3 | 6.8 | 4.3 | 6.8 |
90 | 5.2 | 8.2 | 5.2 | 8.2 |
110 | 6.3 | 10.0 | 6.3 | 10.0 |
125 | 7.1 | 11.4 | 7.1 | 11.4 |
140 | 8.0 | 12.7 | 8.0 | 12.7 |
160 | 9.1 | 14.6 | 9.1 | 14.6 |
200 | 11.4 | 18.2 | 11.4 | 18.2 |
225 | 12.8 | 20.5 | 12.8 | 20.5 |
250 | 14.2 | 22.7 | 14.2 | 22.7 |
280 | 15.9 | 25.4 | 15.9 | 25.4 |
315 | 17.9 | 28.6 | 17.9 | 28.6 |
355 | 20.2 | 32.3 | 20.2 | 32.3 |
400 | 22.8 | 36.4 | 22.8 | 36.4 |
450 | 25.6 | 40.9 | 25.6 | 40.9 |
500 | 28.4 | 45.5 | 28.4 | 45.5 |
560 | 31.9 | 50.9 | 31.9 | 50.9 |
630 | 35.8 | 57.3 | 35.8 | 57.3 |
- Q:Flexible rubber joints. What do they mean by flexing?
- Stainless steel bellows are not a kind of rubber joint.Flexure generally means that it can be bent repeatedly.The rubber joint mainly plays the axial and angular compensation displacement, and withstands the mechanical vibration, protects the pipeline not to burst.Stainless steel bellows can also be flexible, but the performance of vibration proof is better than that of rubber joints. If the requirements of the engineering drawings are rubber joints, it is better to be careful. Don't change it indiscriminately. Otherwise, the service life will be affected
- Q:Rubber tube in the production process need to wrap cloth, in order to finalize the design, I want to know what cloth is winding cloth, what is the specification, please god!
- Rubber pipes need to be wrapped in fabric during production so that they can be easily formed. I want to know that the winding fabric is commonly called water cloth". Specifications can generally be winding as required!
- Q:Access toilet water inlet hose joints, how to repair water?
- However, be careful not to hold back too much to prevent the toilet from being cracked. Because before if overwind, or rust, is not open, can only remove the drainage valve inside with a pipe wrench stuck open.
- Q:The rubber tube of the gas cooker is aging. It's leaking. Can you change it for yourself?
- You can change it yourself. However, many families do not yet know that in the past two years, the state has made great efforts to change rubber tubes into metal hoses, because metal hoses are safer, longer life and better sealing. They will certainly replace rubber pipes in the future.
- Q:The pipe of the gas water heater is buried in the wall. It is made of nylon tube and rubber tube. Is it possible to use rubber tube?
- After so many years of consulting, you are the first to ask the hose through the wall. In real life, there are many hoses that go through walls.
- Q:What are the types of hose connectors?
- In general, we'll sort it out first.It is divided into A/, B/, C/, D/, F/, G/, H/, K/A/ flat sealing type,Type B/ is a jacketed joint that matches the 24 degree C type,C/ points 24.60. and 74 degrees, and in turn with 24 degrees g, type and 74 degree g match,D/ is a spherical sealed typeF/ is a disc type jointG/ divided into 3 kinds, namely 24, 60, and 74 degrees, and the same degree of C matching seal,The H/ machined a sealing groove in the cone of 24 degrees g,K/ a quick change connector, it goes nuts, adopts the sealing method, the piston type to facilitate the replacement of Yucca Shaw, commonly used in coal mine which is commonly used to.
- Q:What kind of material does hose screw protection cover have? What are their advantages and disadvantages?
- The utility model relates to a pipe protecting sleeve, which is a new product replacing the traditional metal protecting spring used for the protection of traditional rubber hoses. Alias: hose sheath, rubber tube outside protection special nylon spiral sheath, etc..
- Q:What's the metal hose for fire fighting?
- 1 the metal hose is made of 1Cr18Ni9Ti stainless steel, and has strong corrosion resistance.The 2. hose tube is made of thin wall stainless steel tube. It has strong flexibility, flexibility, strong bending and vibration resistance, and reinforced protection of woven mesh sleeve, so that it has higher bearing capacity.The connection of the ends of the 3. flexible pipes can be made into other connecting ways except the thread and the flange standard, so that the connection and the use are convenient.4. the product is not only suitable for mating with rotating joint, but also widely used in soft connection of many kinds of fluid medium transportation.
- Q:How to replace natural gas hose? Steps?
- Rubber products are rotten, especially the kitchen fume gas hose to erosion, and temperature will cause the hose and hose aging, but also bear the pressure of gas altar, for safety, or in accordance with the gas company's proposal to replace a 2 year.
- Q:What's the cause of a default like a general rubber product?
- Rubber aging is a common problem of rubber products, and aging is mainly due to internal structure or component is easy to aging due to weakness, such as unsaturated double bond, branched, carbonyl, hydroxyl and so on; at the end, the main external or environmental factors are sunlight, oxygen, ozone, heat, water and mechanical stress force, high energy radiation, electricity, industrial gas, water, salt fog, fungi, bacteria, insects etc..
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0.4MPa/0.4MPa/0.6MPa/1.0MPa PE pipe for gas pipe
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 m
- Supply Capability:
- 5000 m/month
OKorder Service Pledge
OKorder Financial Service
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