EnviroGravity Pipes

Due to the versatility of Enviropipes, High Density Polyethylene (HDPE) pipes can be used in all types of applications

Culverts

Enviropipes HDPE (PE100) culverts (EnviroCulvert®) are manufactured from 100mm up to 4000mm ID and can be used on any main road network such as access roads to mine sites or river crossings. Our non-corrosive culverts are also suitable for rail networks as they offer a high stiffness to weight ratio making them easy to install.

See our Main Roads Endorsement

Go to EnviroCulvert®

LNG, Waste Water Treatment Plants and Mine Sites

Enviropipes Stormwater Pipe can be used for site drainage and underground water storage. The use of Enviropipes Stormwater Pipe is advantageous as the rubber ring jointed pipes require no further welding or couplings. Our pipe offers high resistance to abrasion and corrosion which is important when considering installing into aggressive soils.

Sea Intakes and Ocean Outfalls

Enviropipes can manufacture large diameter HDPE (PE100) sea intake and ocean outfall pipes for power stations, desalination plants and for the petroleum sector. Both materials are ideal for these applications as they are resistant to corrosion, light weight and easy to install.

Storm Water Systems

Corrugated HDPE (PE100) pipes are a durable product with numerous benefits including fast and easy installation. As a proven performer it is commonly used for agricultural applications such as field basin irrigation systems and field drainage systems. It's also used by municipalities for storm drainage applications, highway median drainage and storm water management systems.

Go to Enviropipes Stormwater Pipes

Sewer Systems

Corrugated HDPE (PE100) pipes are long-term and cost effective solutions to the problem of corroding sewer systems. It is well suited for a wide range of sewage applications in all sorts of circumstances. Its inherent physical characteristics make it impervious to the extremely aggressive and corrosive materials associated with sewage systems. Corrugated HDPE (PE100) pipe is light weight, flexible, durable, leak tight and corrosion resistant making it easier to install than any other pipe material.

Go to EnviroSewer® Pipes

Rubber Ring Joint

EnviroGravity® rubber ring jointed pipes are manufactured in sizes 1050mm up to 2000mm and each pipe is supplied with a set of ethylene propylene diene monomer (EPDM) rubber seals and lubricant. Enviro Gravity Pipes consist of an integrated socket and spigot; the spigot end is designed to accommodate the rubber seal, which when assembled forms a watertight joint from the radial compression of the rubber seal between the spigot and the socket ends.

Please see the video below for more information.

Electro-Fusion Joint

EnviroGravity® electro-fusion pipes are manufactured in sizes 1050mm up to 4000mm. After the pipes have been manufactured each pipe is prepared for electro-fusion welding and wrapped in a protective cover for fusion welding later on site. Enviropipes supplies electro-fusion machines and tooling suitable for welding these pipes together. With this method the whole pipeline becomes a homogenous system and absolutely safe against unwanted in/ex-filtrations. Using this jointing technique makes it possible to install large diameter pipes in short periods of time.

Please see the video below for more information.

Nominal Diameter (DN)	Outside Diameter (mm)	Internal Diameter (mm)	Nominal Overall Length (mm)	Length (Sp/So) Effective Length (mm)	Stiffness Class (SN)	Jointing Method	Volume per effective length (m³)
1050	1216	1050	6160	6000	8/10	Rubber Ring	5.2
1200	1370	1200	6160	6000	8/10	Rubber Ring	6.8
1500	1686	1500	6160	6000	8/10	Rubber Ring	10.6
1600	1794	1600	6160	6000	8/10	Rubber Ring	12.1
1800	1982	1800	6160	6000	8/10	Rubber Ring	15.3
2000	2170	2000	6160	6000	8/10	Rubber Ring	18.8
2500	2694	2500	5960	5800	2	Electro Fusion	28.5
3000	3214	3000	5660	5500	2	Electro Fusion	38.9
3500	3714	3500	5660	5500	1	Electro Fusion	52.9
4000	4214	4000	5660	5500	1	Electro Fusion	69.1
1050-2000mm EnviroGravity® pipes can also be manufactured with an electro-fusion joint Overall and effective lengths may change without notice Measurements are approximate and subject to change without notice From 1050-4000 different stiffness ratings can be manufactured*

Pipe Weight

The extremely low weight of EnviroGravity® Pipes allows a simpler and faster installation of the pipes, as in most cases no heavy machinery is necessary for the installation and handling of the pipes. Most of the handling can be done by an excavator on-site.

Jointing

EnviroGravity® Pipes do not require large butt welding machines as they are joined either by rubber ring joint or electro-fusion.

Installation

The installation time is faster than other materials as the standard pipe lengths are between 5.5 to 6 meters long. Fewer lifts mean unloading and loading the pipes into position saves even more time.

Transport

As it is possible to nest these pipes, transportation costs can be reduced.

See how many EnviroGravity® pipes you can fit per load without nesting.

Chemical and Corrosion Resistance

EnviroGravity® Pipes which are manufactured from High Density Polyethylene (HDPE) have excellent resistance internally and externally to protect against aggressive soils and chemicals.

Search our Chemical Resistance Database.

Homogenous Piping

EnviroGravity® Pipes and fittings are made of the same material and jointed to one homogenous piece. Not even connections between the pieces pose a weak spot in the piping as they are joined by a rubber ring or electro-fusion water tight joint.

Effective Roughness

Due to its low roughness as shown in the above graph there is almost no accumulation on the pipe bottom and EnviroGravity® Pipes have the ability to self purify. Low roughness has an important economic advantage as maintenance expenditure is kept to a minimum. Due to the low roughness the hydraulic properties are improved and smaller diameters are required compared to conventional pipe materials with the same flow rate. EnviroGravity® pipes convey flows up to 17% greater than concrete pipes, and up to 60%better than corrugated steel pipes.

Abrasion Resistance

abrasion

Polyethylene pipes are among the most abrasion resistant pipes. This has been tested in the Darmstadt procedure and the results are shown in the diagram above and support the quality of polyethylene and polypropylene pipes.

UV-Resistance

Commonly most natural materials and other plastics are degraded by weathering effects, particularly by the combined impact of short-wave ultraviolet radiation in sunlight and atmospheric oxygen.

Black polyethylene pipes are permanently resistant to atmospheric corrosion and UV radiation, as the polyethylene used contains carbon black which acts as both a pigment and an ultra violet stabiliser. Thus the pipes can be used and stored outside without the pipe material being damaged.

Resistance to Micro Organisms

Polyethylene is not nutrient media for bacteria, fungi and spores, so that the material is resistant to all forms of microbial attack as well as both sulphurous acid and sulphates.

Enviropipes manufactures gravity pipe systems with various stiffness classes which are designed for utility and industrial applications. Enviropipes uses High Density Polyethylene (HDPE) to manufacture these pipes to Australian and international standards.

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