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HDPE pipe is a thermoplastic polyethylene pipe made of high-density polyethylene. This material gives the pipes some unique characteristics that result in benefits, and these benefits have contributed to the popularity of polyethylene pipes.HDPE piping is flexible, but that does not imply that it lacks strength or performance. HDPE is widely known for its outstanding water, chemical, and impact resistance, among other qualities that combine to make it a top material choice for a variety of applications, including heavy-duty piping.
For many years, the standard way of fusing HDPE pipe has been welding. There are several ways in which this can be done: Butt fusion, Hot melt socket and Electrofusion link. And Butt welding is the most common method.
Connect the heating plate, milling cutter, and frame to the host in the appropriate order.
Turn on the host and the switch, then turn on the temperature control switch, check the temperature controller, and use the joystick to confirm that the equipment is running normally.
Ascertain that the pipes at both ends are on the same horizontal line, and calculate the heat absorption, cooling time, and welding pressure. Then alleviate the pressure to the calculated welding pressure.
Insert the milling cutter into the frame, activate the milling cutter switch to close the pipe, and when continuous cutting occurs, withdraw the milling cutter.
1. Place the heating plate on the rack with the temperature set at 220°C (±5&#;) to begin heating.
2. The terminal face of the pipe begins to absorb heat when the pressure is reduced to 0 (heat absorption time: 10x wall thickness (seconds).
1. Take away the heating plate, push the forward rod, butt the pipe
2. Complete the flanging and time to cool down (cooling time: 1.2×wall thickness (minutes))
The prices of HDPE pipes depend on weight, length, diameter, manufacturer, and retailer. HDPE water pipes are an affordable option for homeowners looking to replace their plumbing system. Costs vary from supplier to supplier, and depend on diameter and length. When calculating the price for HDPE water pipes, remember that costs are usually provided per foot, and that diameter can range from half an inch to 63 inches. Larger and thicker HDPE pipes are obviously more expensive than smaller, thinner ones.
Water lines are essential in assuring you have adequate water in your home. But maybe you want to run water to a shed, garden area, or barn. Although there are many options for underground water pipes, HDPE pipes are generally the best choices for an underground water line.
Why? As we know HDPE pipe it preserves the general properties of the fluids passing through it, it can be easily used in drinking water systems as it does not hold moss on its inner surfaces. Due to its chemical properties, it has high resistance to chemicals. Laying on sloping lands and taking shape according to the slope is very simple because of its flexibility.
RIFENG HDPE Piping System is a new plastic pipe material mainly made of high-quality polyethylene resin. It is widely used in municipal water supply, agricultural irrigation, wastewater discharging, etc
.Non-toxic and non-scaling premium grade material (PE100)
High corrosion and erosion resistance for added durability
Smoother inner wall versus cement and steel pipes for faster and consistent water flow
Reliable and easy connection process using socket, butt, and electro fusion welding for quick installation
Ideal plumbing material for installation and rehabilitation of plumbing systems with trenchless applications
Flexible material ideal for application with ground movement such as earthquake, railroad vibration, and alike
Better tensile yield strain rating (+8%) than metal pipes
We cover the three most frequent questions about HDPE pipe in this article.
What is hdpe pipe
How is hdpe pipe most commonly joined
How much does hdpe pipe cost
Hope this article will help you comprehend and get more familiar with HDPE pipes. We have rich experience and mature production technology, which can meet the supply needs of various pipes. Welcome to contact RIFENG to learn more.
For more 4 Inch HDPE Pipe Priceinformation, please contact us. We will provide professional answers.
HDPE pipe, also known as High Density Polyethylene Pipe, is a strong, flexible piping system that is the ideal piping material of choice for many applications including fluid and gas transportation around the world. Polyethylene&#;s toughness, corrosion resistance, excellent chemical resistance, and light weight allow it to provide long-term, cost-effective piping systems.
Unlike decades past, today more and more companies are choosing HDPE pipe fittings because of their affordability and efficiency. Users recognize the environmentally friendly nature of HDPE pipes and thus apply it as a green solution.
Polyethylene (PE) pipe refers to the general term for thermoplastic pipes made of ethylene gas as raw material. There are different types of PE pipes including very low density, low density, cross-linked, ultra-low molecular weight, high molecular weight, medium density, ultra high molecular weight, chlorinated and linear low-density.
HDPE means a PE pipe that is dense than the basic pipe. HDPE pipes are not as flexible as regular samples because they have a high melting and impact point. During the manufacturing process, companies may add carbon black or other colors to HDPE tubing to resist UV light.
Unlike regular PE pipe, HDPE pipe is rust-resistant and resistant to internal pressure for reliable use. HDPE pipe maintains initial flow despite prevailing environmental factors.
The performance of HDPE pipe depends on raw materials, processing equipment and technology. Many manufacturers add recycled materials to pipes to reduce costs and achieve higher profits, but this greatly reduces the performance of the pipes. How to identify the quality of PE pipes? We have described 7 ways to check:
High-quality pipes: the inner and outer surfaces of PE pipes are smooth, without defects such as bubbles, dents, and impurities.
Inferior pipes: the surface is not smooth, not bright, with obvious pitting.
The qualified pipe strip milled out by the welding machine is bright in color, and it is not easy to break after repeated folding. The milled strips are whitish or have other colors, which is caused by the addition of recycled materials or uneven mixing.
High-quality pipes: the milled strips are bright in color, neat, and can be folded repeatedly without breaking.
Inferior pipes: the milled strips are darker in color and easy to break after repeated folding.
Qualified butt weld joints should have smooth and symmetrical wrapping around the pipe ring, and the depth of the wrapping should not be lower than the pipe surface. The tolerance of both sides of the outer circle of the weld is not more than 10% of the tube thickness. The wrap edge should be firm and smooth, slightly wider at the bottom. No impurities, small holes, deformation and damage caused by unfavorable aspects of the tumbling.
High-quality pipes: the flanging is flat, and it will be slightly longer after the welding seam is pressurized.
Inferior pipes: There are more pores on the welding surface, and the edge wrapping is shorter after butt welding is pressurized.
High-quality pipes: stable chemical performance, and the finished product will not have any peculiar smell.
Inferior pipes: unstable chemical properties, unpleasant odor or odor after heating.
High-quality pipes: resistant to acid, alkali, salt and various solvents, anti-corrosion and anti-aging.
Inferior pipes: Under the action of acid, alkali, salt or detergents, various aging phenomena are prone to occur &#; embrittlement, cracking, molting, etc.
Elongation at break is the ratio of the length at break to the original length. The greater the elongation at break, the better the flexibility and the better the performance.
High-quality pipes: 3.5 times the original length without fracture
Inferior pipes: poor flexibility and easy to break.
OIT (Oxidative induction time) is the time for the autocatalytic oxidation reaction of the pipe to occur under higher temperature and oxygen, which can characterize the thermal degradation ability of the PE pipe during processing, storage, welding and working. The longer the OIT, the better the aging resistance of the PE pipe.