
PE80 HDPE Pipe Fitting Electrofusion Reducer
Description
Technical Parameters
We believe that only by scientifically grasping the characteristics of the times and improving our core competitiveness through new technology and new tee hdpe, UPVC One Piece Flange, uPVC Gasketed Flanged Tee can we win the market competition. We take the vision of building an enterprise with international competitiveness and influence, and becoming a company that is needed and respected by society. We uphold the development concept of professionalism, dedication, pragmatism and innovation.
HDPE Electrofusion Fittings, HDPE Electrofusion Reducer,electrofusion reducer, electrofusion reducing coupler
An electrofusion reducer fitting is used to join two lengths of poly pipe that are of different diameters. Electrofusion reducer fittings are also used to join a long spigot fitting to a piece of pipe, where one of them is larger or smaller diameter than the other.
Made by 100% PE100 material, SUNPLAST HDPE electrofusion reducer can be supplied in a diameter sizing from 32×25mm to 400×315mm in SDR11-PN16.
SUNPLAST HDPE electrofusion reducer fittings are injection molded in one time, and conform to ISO4427-3,EN12201-3, AS/NZS 4129, EN1555, EN ISO15494 standard (ISO4437-3 for gas)
SUNPLAST keeps mass stock in demand for regular sizes, and customers’ urgent demand & prompt shipment request can be satisfied.
More brief details as below:
Product | HDPE Electrofusion Reducer, Electrofusion reducer, electrofusion reducing coupler |
Specification | DN32×25mm~DN400×315mm |
SDR/pressure ratings | SDR11-PN16 |
Material | Virgin PE100 material |
Manufacturing Process | Injection molded |
Color | Regular stock in black, blue/yellow available if quantity is big |
Manufacturing Standard | ISO4427-3,EN12201-3, AS/NZS 4129, EN1555, EN ISO15494 (ISO4437-3 for gas) |
Samples available | Yes, samples are available, but charged. |
Packing method | Cartons |
MOQ | Negotiable |
Customized Logo available (OEM Service) | For small quantity of order, customer logo can be marked on the fittings by laser marking or sticker. For big quantity of order, customer logo can be embossed on the fittings. |
Production lead time | Mass stock available for regular sizes About 10 days for a 20ft container, 20 days for a 40ft container |
Warranty time | 10 years for normal use |
Payment term | T/T, L/C, DP, Western Union, or negotiable |
FOB loading port | Ningbo/Shanghai China |
Place of origin | Ningbo, China |
Product Specifications
HDPE Electrofusion Reducer: available from DN32×25mm~DN400×315mm
Pressure: SDR11-PN16 & SDR17-PN10
Material: 100% virgin PE100 material
Color: black color or blue color.


ΦD×ΦD1 | L | A | B | Φd | SDR17 | SDR11 |
32×25 | 101 | 45 | 45 | 4.0/4.7 | × | √ |
50×32 | 109 | 52 | 45 | 4.0/4.7 | × | √ |
50×40 | 111 | 52 | 47 | 4.0/4.7 | × | √ |
63×32 | 116 | 57 | 47 | 4.0/4.7 | × | √ |
63×40 | 117 | 57 | 47 | 4.0/4.7 | × | √ |
63×50 | 122 | 57 | 53 | 4.0/4.7 | × | √ |
75×50 | 127 | 62 | 52 | 4.0/4.7 | × | √ |
75×63 | 130 | 61 | 57 | 4.0/4.7 | × | √ |
90×50 | 142 | 67 | 53 | 4.0/4.7 | × | √ |
90×63 | 142 | 67 | 58 | 4.0/4.7 | × | √ |
90×75 | 142 | 67 | 62 | 4.0/4.7 | × | √ |
110×50 | 154 | 71 | 52 | 4.0/4.7 | × | √ |
110×63 | 154 | 71 | 58 | 4.0/4.7 | × | √ |
110×75 | 151 | 71 | 63 | 4.0/4.7 | × | √ |
110×90 | 152 | 71 | 67 | 4.0/4.7 | × | √ |
125×50 | 151 | 75 | 52 | 4.0/4.7 | × | √ |
125×63 | 152 | 76 | 64 | 4.0/4.7 | × | √ |
125×75 | 153 | 76 | 64 | 4.0/4.7 | × | √ |
125×90 | 155 | 76 | 66 | 4.0/4.7 | × | √ |
125×110 | 156 | 76 | 68 | 4.0/4.7 | × | √ |
160×63 | 175 | 86 | 75 | 4.0/4.7 | × | √ |
160×75 | 174 | 86 | 69 | 4.0/4.7 | × | √ |
160×90 | 177 | 86 | 68 | 4.0/4.7 | × | √ |
160×110 | 176 | 86 | 73 | 4.0/4.7 | × | √ |
160×125 | 177 | 87 | 77 | 4.0/4.7 | × | √ |
200×50 | 196 | 95 | 70 | 4.0/4.7 | × | √ |
200×63 | 197 | 95 | 74 | 4.0/4.7 | × | √ |
200×75 | 197 | 95 | 74 | 4.0/4.7 | × | √ |
200×90 | 197 | 95 | 75 | 4.0/4.7 | × | √ |
200×110 | 199 | 96 | 73 | 4.0/4.7 | × | √ |
200×160 | 196 | 95 | 87 | 4.0/4.7 | × | √ |
225×75 | 220 | 100 | 86 | 4.0/4.7 | × | √ |
225×110 | 220 | 102 | 96 | 4.0/4.7 | × | √ |
225×160 | 222 | 102 | 95 | 4.0/4.7 | × | √ |
225×200 | 225 | 100 | 98 | 4.0/4.7 | × | √ |
250×110 | 241 | 105 | 97 | 4.0/4.7 | × | √ |
250×160 | 241 | 105 | 110 | 4.0/4.7 | × | √ |
250×200 | 241 | 105 | 119 | 4.0/4.7 | × | √ |
315×160 | 273 | 137 | 98 | 4.0/4.7 | × | √ |
315×200 | 279 | 138 | 107 | 4.0/4.7 | × | √ |
315×250 | 293 | 138 | 125 | 4.0/4.7 | × | √ |
400×315 | 260 | 110 | 105 | 4.0/4.7 | × | √ |
(Noted: the technical data is just for reference, some data may change, if you need exact data, then please contact us directly)
Benefits Of HDPE Electrofusion fittings
As a unique memeber of HDPE fittings, electrofusion fittings has all advantages that HDPE fittings have, such as: hygiene, reliability, long-lifetime design, corrosion resistance.,etc.
By comparison of the other HDPE fittings, HDPE electrofusion fittings repute more benefits:
* A simpler installation process:electrofusion process is much simpler, and electrofusion machine is much smaller size & lighter weight, this allow the electrofusion fittings can be easily joined to HDPE pipes in circumstances where butt fusion is not practicable.
* lower installation costs & labor costs: electrofusion process is much simpler, and easily operation. This greatly reduce the installation costs & laber costs.
* More reliable joints: The consistency of the electrofusion welding process in creating stronger joints, which is more reliable. Due to more reliable joints, HDPE electrofusion fittings are very popular used in building & repairing gas distribution pipeline.
* Easy for repairing: HDPE electrofusion fittings support secondary welding when some joints leak, and HDPE electrofusion repair saddle can also easily repair the leaking of pipeline.
Quality Certificate
SUNPLAST HDPE Electrofusion fittings system is specifically designed for reliable, high performance jointing and long service life for polyethylene piping systems.
The automated jointing system have been proven to be the most cost efficient and economical as it eleminates potential human-error during installation. The SUNPLAST Electrofusion Fittings comply to ISO4427-3/EN12201-3 standard, as well EN1555 standards, and are rated in PN10 & PN16. The Fittings are manufactured using PE100 Materials and comes in sizes ranging from 20mm to 630mm and boast the minimum life span of 50 Years.
SUNPLAST HDPE Electrofusion Fittings are Approved by by ISO4427 certificate, CE certificate for EN12201.,etc

Technical Parameter
The HDPE electrofusion fittings are manufactured into ISO4427-3 standard (ISO4437-3 for gas), with technical performance shown in below table. The PE and HDPE Pipe Jointing using the Electrofusion System have been proven to be the most advanced and automated system amongst the PE Fusion Jointing sytem mechanisms and it is also been proven to be the most efficient, reliable and error proof system, especially in larger diameter Pipe Jointing.
Characteristic | Requirement | Test parameters | Test method |
Melt mass-flow rate (MFR) | Change of MFR by processing ± 20 % | Load=5KGS Test temperature=190℃ Test period=10min. | ISO 1133:2005 |
Oxidation induction time | ≥ 20 min | Test temperature=210℃ Test Piece=3 | ISO 11357-6 |
Hydrostatic strength at 20 °C | No failure of any test piece during test period | Test temperature=20℃ Test period=100 hours. Circumferential(hoop) stress=12.4Mpa | ISO 1167 |
Hydrostatic strength at 80 °C | No failure of any test piece during test period | Test temperature=80℃ Test period=165 hours. Circumferential(hoop) stress=5.4Mpa | ISO 1167 |
Cohesive resistance for electrofusion socket fittings & electrofusion saddle fittings | Length of initiation rupture ≤ L2/3 in brittle failure | Test temperature=23℃ | ISO 13954/ISO13955 |
FAQS

*What’s electrofusion?
A: HDPE Electrofusion is a method of joining PE, HDPE and other plastic pipes using special fittings that have built-in electric heating elements which are used to weld the joint together.
The pipes to be joined are cleaned, inserted into the electrofusion fitting (with a temporary clamp if required) and a voltage, normally 40V is applied for a fixed time depending on the type, and size of the fitting in use. The built in heater coils then melt the inside of the fitting and the outside of the pipe wall, which weld together to form a very strong homogeneous joint. The assembly is then left to cool for a specified time. Then it's done.
In the electro fusion process a heating wire permanently mouled into the fitting gets heated by current at a low voltage. The surrounding material around the wire gets melted and expands due to the warming. The melt starts closing the gap between pipe and fitting, leading to a heat transition to the pipe which also gets heated and melts in the welding zone. The pipe material also expands.
The increasing material expansion between pipe and fitting, which is hindered by the cold zones outside the welding zone, leads to a build up a welding pressure between pipe and fitting and a homogeneous welding connection emerges.
* Is there any barcode on the electrofusion fittings provided by SUNPLAST?
A: Yes, all HDPE electrofusion fittings are with a barcode on it. The worker on site can use electrofusion machine to scan the barcode, so all welding parameter will be inputting to welding machine automatically.
* What’s the effectiveness of electrofusion welding?
A: The effectiveness of electrofusion depends on attention to preparation of the jointing surfaces and ensuring that the surfaces to be welded have satisfactory contact during the welding and cooling cycles. The pipe surfaces to be fused need to be scraped to remove the surface oxidation layer prior to fusion.
To prepare the jointing surfaces the pipe surface must be scraped with an appropriate pipe scraper, as recommended by the pipe or fitting manufacturer, to remove the entire surface of the pipe over the area indicated, to a depth of approximately 0.3mm. Following scraping the scraped surface must be wiped with an authorised Ispropanol impregnated pipewipe, as recommended by the pipe or fitting manufacturer, to remove any dust residue. Methylated spirits, acetone, methyl ethyl ketone (MEK) or other solvents are not recommended for wiping the scraped surface. The prepared surfaces must be completely dry before proceeding.
The resulting joint, when properly made, is as strong as the original pipe and can withstand all the loads applied during routine installation and operation.
* What’s the Advantages of using Electrofusion Fittings?
A: Electrofusion Fitting jointing are well known for it's security, reliable and long lasting jointing for Pipe and Fittings.
It's easy to execute. Electrofusion jointing are usually used when the harsh or difficult situation.
Electrofusion have always been the best system available to perform pipe jointing repairing.
It is a very quick and hassle free process to install the electrofusion fittings compared to other methods available today.
Electrofusion jointing process are done by automatic electrofusion machines that minimizes the failures and mistakes that may happend during normal jointing process. The machines also provides users with data and the process is fully monitored by the control box which ensure a safe and dependable connections.
Contact Us
If you have any requirements on HDPE Electrofusion fittings, or any question on our fittings, please contact us freely. SUNPLAST has well trained staff who are available to address your needs and provide technical support to all sectors when needed.

With strong research and development capabilities, we strive to develop a variety of new and practical PE80 HDPE Pipe Fitting Electrofusion Reducer and continue to provide users with better application solutions. Our company always firmly believes that: customer service is our reason, customer demand is our driving force. We build high-level innovation leaders and innovation teams, improve the level and level of innovation, and play the advantage of talent resources of innovation teams in the development of enterprises.
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