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Impact and internal pressure strength resistance UHMWPE pipes
Impact and internal pressure strength resistance UHMWPE pipes general introduction
Impact and internal pressure strength resistance UHMWPE pipe a new kind of engineering thermoplastics with more than 3 million viscosity-average molecular weight. Ultra-high molecular weight polyethylene pipe has superior performance over conventional HDPE pipe such as very high wear resistance, impact resistance, excellent resistance to internal pressure strength, resistance to environmental stress cracking, intrinsically self-lubricating, anti-adhesion, low temperature resistance and excellent chemical resistance.
Attributes of UHMWPE Pipes
- Abrasion resistance – UHMWPE pipes have excellent abrasion resistance providing long life in abrasive slurry applications.
- Chemical resistance – outstanding resistance to a wide range of chemical reagents allows the use of UHMWPE systems in tailings pipelines and chemical treatment applications used in mining operations.
- Flexibility – UHMWPE pipes can be bent to a minimum of 30 times the pipe’s outside diameter for HDPE. This flexibility and resiliency allows the pipe to absorb surge pressures, vibration and stresses caused by soil movement. This makes the pipes particularly useful in submarine pipe lines, mine subsidence and earthquake prone areas.
- High flow capacity – low friction compared with materials such as fibre reinforced cement and resistance to material deposit buildup give UHMWPE pipes long lived high flow capacity.
- Ease of installation – UHMWPE is easy to install with light weights and flanged couplings.
Exceptionally High Wear
Impact and internal pressure strength resistance UHMWPE pipes shows unusually high wear resistance compared to most materials. This is due to a combination of very high molecular weight and the resulting entanglements and relative surface softness with a slippery waxy surface.
Pressure Rating
The nominal diameter of the Impact and internal pressure strength resistance UHMWPE pipes are from 65mm to 800mm, and the wall thickness if from 8mm to 38mm usually. The nominal pressure rating of UHMWPE pipes etc. is from 0.6 MPa to 2.0 MPa and UHMWPE composite pipe can reach 6.4 MPa.
Performance Properties
Impact and internal pressure strength resistance UHMWPE pipes are ideal for the transport of powder and coal ash in thermal power system, backwater pipelines, the transport of mine tailings and slurry in the mining industry, the high-pressure transport of pulverized coal and coal-water slurry of coal preparation plant in the coal industry, as well as the transport of mud and corrosive media with slag in other industries.
Impact and internal pressure strength resistance UHMWPE pipes is 1/8 the weight of mild steel but is high in tensile strength. Also unlike steel, UHMWPE is an inexpensive alternative to metals and ceramics, and because it is self-lubricating, long-wearing, and resistant to abrasion, and corrosion.
Impact and internal pressure strength resistance UHMWPE pipes are well suited for pipe applications that demand high abrasion resistance combined with low friction.
Advantages of Ultra PE Pipe Over Steel Pipe
- 40 times the abrasion resistance of steel
- 8 times lighter than steel
- 5 times lower coefficient of friction than steel
- The pressure loss of UHMWPE pipe is 1/10 of steel pipes and 1/7 of nylon pipes.
Benefits
UHMWPE pipes offer Impact and internal pressure strength resistance, making them ideal for slurry pipe and dredging pipe.
The low friction of UHMWPE pipe enables solid particles to slide easily over the surface and avoids scaling and fouling.
The smooth interior surfaces of UHMWPE pipes assure low friction loss and high flow rate.
Applications
- Mining Industry -UHMWPE pipes are used as transportation pipelines for mine slurry, tailings, sediments and ore concentrates.
- Coal power plants – UHMWPE pipes are used as pipelines for the transport of coal slurry, fly ash and the fly ash water slurry.
- Dredging Industry – UHMWPE pipes are used to transport mud and sand during dredging of rivers, habours, dams and lagoons.
- Construction Industry -UHMWPE pipes are used transporting the slurry of the mixed concretes and shotcretes from pump trucks as well as drilling sand/rocks from underground tunneling
- Ultra PE abrasion-resistant piping systems are manufactured to meet specific applications for operations moving highly abrasive materials, :Mining – mineral, phosphate and coal mining; feed, waste and debris lines; in-plant piping; tailing lines, backfill; waste disposal; slurry transport; raw ore streams; in-process streams; paste; shotcrete
- Product Conveyance – dilute and dense phase pneumatic movement operations for powder and bulk materials such as cement; coal combustion byproducts; slurry transport; biomass feedback; glass, frit and plastics; food products.
- Fossil Fuel Power Plants – FGD reagents (wet or dry); pulverized fuel; fly ash; bottom ash; economizer ash; coal combustion byproducts
- Mills and Foundries – in-plant piping; blow lines; storage; waste disposal; slag; sand lines.
Impact and internal pressure strength resistance UHMWPE pipes are packed by stretch film,also by customers' requirements
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