
Butt Fusion Welded Fitting HDPE Reducing Tee
Description
Technical Parameters
Our company with advanced technology, modern management, first-class processing equipment, continue to introduce cutting-edge Spigot Pipe Fittings, UPVC 45 Degree Elbow, HDPE pipe cap. We must continuously improve and maintain the leading level in product quality, technology level, production scale and quality service. We emphasize attention to human values in the production process and contributions to consumers, the environment and society. We firmly believe that efficiency depends on quality, quality depends on technology, technology depends on talent, and talent depends on education. We have humanized marketing and service strategy, and have strict management procedures and systems for product quality control and performance testing.
HDPE Fittings, HDPE butt fusion reducing tee,HDPE reducing tee, tee reducer HDPE, HDPE tee reducer,HDPE Spigot tee reducer
HDPE reducing tee, also know as HDPE tee reducer, is another type of pipe tee used in HDPE pipeline.
Reducing tee, like all pipe tees, is in the shape of T with two ends of equal size and the third one slightly smaller. In other words, reducing tee is a type of pipe fitting in which the branch port size is smaller than the ports of the run. This type of pipe fitting can also consider size reduction from one of the run ports to the other.
SUNPLAST HDPE reducing tee fittings can be supplied in diameters ranging from 50mm to 800mm in SDR11 & SDR17. The fittings are injection molded type, fabricated by 100% PE100 material, can fully conform to ISO4427-3,EN12201-3, AS/NZS 4129, EN1555, EN ISO15494 standard.
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 Butt Fusion reducing tee , HDPE reducing tee, tee reducer hdpe HDPE tee reducer, HDPE Spigot tee reducer |
Specification | DN50~DN800mm |
SDR/pressure ratings | DN50~DN400mm in both SDR11 & SDR17 DN450~DN800mm in SDR17 |
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 |
Samples available | Yes, samples are available, but charged. |
Packing method | DN50~DN280mm in cartons, DN315~DN800mm be wrapped by PP bags |
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 reducing tee (Butt Fusion): available from DN50×32mm ~DN800×710mm
Pressure: SDR11-PN16 & SDR17-PN10
Material: 100% virgin PE100 material
Color: black color or blue color.

ΦD1×ΦD2 | L | A | B | H | SDR17 | SDR11 |
50×32 | 169 | 55 | 54 | 86 | × | √ |
63×25 | 168 | 63 | 44 | 92 | × | √ |
63×32 | 174 | 63 | 44 | 93 | × | √ |
63×40 | 182 | 63 | 55 | 102 | × | √ |
63×50 | 191 | 63 | 55 | 102 | × | √ |
75×32 | 227 | 72 | 40 | 95 | × | √ |
75×40 | 227 | 72 | 49 | 106 | × | √ |
75×50 | 227 | 72 | 55 | 108 | × | √ |
75×63 | 227 | 72 | 63 | 118 | × | √ |
90×32 | 212 | 79 | 44 | 101 | √ | √ |
90×40 | 223 | 79 | 49 | 115 | √ | √ |
90×50 | 230 | 79 | 55 | 110 | √ | √ |
90×63 | 244 | 79 | 63 | 115 | √ | √ |
90×75 | 251 | 79 | 70 | 128 | √ | √ |
110×32 | 222 | 82 | 48 | 115 | √ | √ |
110×40 | 230 | 82 | 49 | 128 | √ | √ |
110×50 | 240 | 82 | 55 | 135 | √ | √ |
110×63 | 245 | 82 | 63 | 138 | √ | √ |
110×75 | 262 | 82 | 70 | 145 | √ | √ |
110×90 | 273 | 82 | 79 | 152 | √ | √ |
125×63 | 318 | 87 | 63 | 146 | √ | √ |
125×75 | 318 | 87 | 70 | 160 | √ | √ |
125×90 | 318 | 87 | 79 | 160 | √ | √ |
125×110 | 318 | 87 | 82 | 165 | √ | √ |
140×110 | 315 | 92 | 82 | 160 | √ | √ |
140×125 | 333 | 92 | 87 | 175 | √ | √ |
160×63 | 275 | 98 | 63 | 163 | √ | √ |
160×75 | 288 | 98 | 70 | 173 | √ | √ |
160×90 | 300 | 98 | 79 | 185 | √ | √ |
160×110 | 325 | 98 | 82 | 195 | √ | √ |
160×125 | 335 | 98 | 87 | 192 | √ | √ |
160×140 | 347 | 98 | 92 | 197 | √ | √ |
180×90 | 340 | 105 | 79 | 190 | √ | √ |
180×110 | 355 | 105 | 82 | 190 | √ | √ |
180×125 | 365 | 105 | 87 | 202 | √ | √ |
180×140 | 380 | 105 | 92 | 202 | √ | √ |
180×160 | 400 | 105 | 98 | 202 | √ | √ |
200×63 | 307 | 112 | 63 | 181 | √ | √ |
200×75 | 315 | 112 | 70 | 182 | √ | √ |
200×90 | 334 | 112 | 79 | 190 | √ | √ |
200×110 | 356 | 112 | 82 | 200 | √ | √ |
200×125 | 380 | 112 | 87 | 204 | √ | √ |
200×160 | 420 | 112 | 98 | 210 | √ | √ |
225×90 | 360 | 120 | 79 | 220 | √ | √ |
225×110 | 370 | 120 | 82 | 215 | √ | √ |
225×160 | 422 | 120 | 98 | 230 | √ | √ |
225×180 | 430 | 95 | 85 | 195 | √ | √ |
225×200 | 445 | 120 | 98 | 240 | √ | √ |
250×90 | 375 | 130 | 79 | 230 | √ | √ |
250×110 | 378 | 120 | 82 | 225 | √ | √ |
250×125 | 412 | 125 | 87 | 235 | √ | √ |
250×160 | 380 | 95 | 98 | 235 | √ | √ |
250×180 | 464 | 130 | 102 | 248 | √ | √ |
250×200 | 380 | 75 | 112 | 255 | √ | √ |
280×90 | 406 | 139 | 79 | 245 | √ | √ |
280×110 | 410 | 139 | 82 | 250 | √ | √ |
280×125 | 427 | 139 | 87 | 255 | √ | √ |
280×160 | 459 | 139 | 98 | 270 | √ | √ |
280×180 | 480 | 139 | 105 | 275 | √ | √ |
280×200 | 520 | 139 | 113 | 275 | √ | √ |
280×225 | 545 | 147 | 127 | 285 | √ | √ |
280×250 | 560 | 147 | 133 | 298 | √ | √ |
315×90 | 425 | 150 | 79 | 265 | √ | √ |
315×110 | 437 | 150 | 82 | 265 | √ | √ |
315×160 | 450 | 132 | 73 | 250 | √ | √ |
315×180 | 450 | 118 | 100 | 285 | √ | √ |
315×200 | 450 | 113 | 98 | 285 | √ | √ |
315×225 | 450 | 95 | 100 | 275 | √ | √ |
315×250 | 454 | 93 | 77 | 268 | √ | √ |
315×280 | 583 | 140 | 110 | 320 | √ | √ |
355×160 | 490 | 150 | 100 | 291 | √ | √ |
355×200 | 490 | 130 | 120 | 305 | √ | √ |
355×250 | 490 | 105 | 100 | 305 | √ | √ |
355×315 | 550 | 105 | 100 | 305 | √ | √ |
400×200 | 670 | 130 | 150 | 380 | √ | √ |
400×250 | 670 | 130 | 150 | 380 | √ | √ |
400×315 | 670 | 130 | 150 | 380 | √ | √ |
400×355 | 670 | 130 | 150 | 380 | √ | √ |
450×200 | 550 | 150 | 150 | 410 | √ | × |
450×250 | 600 | 150 | 150 | 410 | √ | × |
450×315 | 660 | 150 | 150 | 410 | √ | × |
450×355 | 680 | 150 | 150 | 410 | √ | × |
450×400 | 740 | 150 | 170 | 410 | √ | × |
500×200 | 530 | 160 | 135 | 420 | √ | × |
500×250 | 620 | 160 | 135 | 420 | √ | × |
500×315 | 685 | 160 | 160 | 420 | √ | × |
500×400 | 770 | 160 | 170 | 420 | √ | × |
500×450 | 820 | 160 | 170 | 420 | √ | × |
560×315 | 720 | 155 | 135 | 470 | √ | × |
560×400 | 760 | 155 | 170 | 500 | √ | × |
560×450 | 820 | 155 | 170 | 500 | √ | × |
560×500 | 870 | 155 | 170 | 500 | √ | × |
630×315 | 630 | 135 | 160 | 570 | √ | × |
630×400 | 720 | 135 | 170 | 570 | √ | × |
630×450 | 770 | 135 | 170 | 570 | √ | × |
630×500 | 820 | 135 | 190 | 570 | √ | × |
630×560 | 870 | 135 | 190 | 570 | √ | × |
710×400 | 790 | 195 | 175 | 535 | √ | × |
710×500 | 890 | 195 | 200 | 560 | √ | × |
710×630 | 1020 | 195 | 210 | 570 | √ | × |
800×400 | 850 | 220 | 180 | 590 | √ | × |
800×500 | 1020 | 195 | 210 | 620 | √ | × |
800×630 | 1100 | 230 | 210 | 620 | √ | × |
800×710 | 1100 | 195 | 210 | 620 | √ | × |
(Noted: the technical data is just for reference, some data may change, if you need exact data, then please contact us directly)
Technical Parameter
The HDPE spigot fittings are manufactured into our domestic standard of GB/T13663, and international standard ISO4427-3 standard. The HDPE butt fusion fittings are strictly tested as per the standard, and shall satisfy the technical parameter as below:
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 |
Tensile strength for butt fusion fittings and spigotted fittings | Test to failure: Ductile — Pass Brittle — Fail | Test temperature=23℃ | ISO 13953 |
Raw Material
Raw material with excellent performance is the most import element to manufacture the topping quality fittings. To guarantee the superior quality of our HDPE spigot fittings, SUNPLAST only adopts TOP QUALITY PE100 material from worldwide reputed factories that are approved by PE100+ association (see: https://www.pe100plus.com/PE-Pipes/materials/Quality-Materials-List/high-quality-i239.html).The PE100 materials we regular use are: HE3490-LS from Borealis, P6006 from Sabic & YGH041T from Sinopec.
Those PE100 materials are certified as the top raw material by the professional in this vocation. The preferable performance of those materials and their stability establish the high quality station of SUNPLAST HDPE fittings products at all the while.

Manufacturing Facilities
SUNPLAST is a ISO9001 certificated manufacturing factory. As a premier manufacturer of HDPE spigot fittings, the factory has introduced advanced production injection machines and test equipment. All product strictly in compliance with national standards and international standards.
Till now, there is over 30 sets of injection machines in SUNPLAST workshop, available to manufacture HDPE fittings till 800mm, and annual production capacity reaches 6,000 tons.

FAQS

* What’s HDPE reducing Tee? Where does it use for?
A: HDPE reducing tee, also called HDPE tee reducer, another type of pipe tee used in pipe and tube fittings. Pipe Tees are available two popular forms—have all outlets of the same size or they can be reducing tees in which they are with a combination of different outlet sizes.
HDPE reducing tee, like all pipe tees, is in the shape of T with two ends of equal size and the third one slightly smaller. In other words, reducing tee is a type of pipe fitting in which the branch port size is smaller than the ports of the run. This type of pipe fitting can also consider size reduction from one of the run ports to the other.
* How do you read HDPE reducing tee?
A: To describe a reducing tee, you must first locate the largest size on the run of the tee (such as 110mm). The next size indicated in the description of the reducing tee is the side opposite to that with the largest size on the run of the body (such as 110mm). The final size in any description of a HDPE reducing tee is the branch side (63mm). All together, the tee in the following example would be described as a: 110×63×110mm reducing tee.
* What SDR rating of HDPE fittings can SUNPLAST provide?
A: Currently, SUNPLAST can provide HDPE fittings in SDR11-PN16 & SDR17-PN10.
* Which SDR rating of HDPE fittings can we take for the HDPE pipe in SDR21-PN8, SDR26-PN6 & SDR33-PN5?
A: Both our fittings in SDR11-PN16 & SDR17-PN10 can work. But, consider the costs, we recommend to use the poly fittings in SDR17-PN10.
* What’s the warranty can SUNPLAST provide?
A: All our HDPE fittings are made of virgin PE100 material, and are designed for 50 years lifetime. SUNPLAST will provide a warranty time in quality of 10 years for regular use.
Contact Us
If you have any requirements on HDPE 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.

We are in a relatively high position in the industry, and we maintain close cooperation with foreign suppliers to provide Butt Fusion Welded Fitting HDPE Reducing Tee, our products are exported to many countries and regions. Our company adheres to the concept of 'technological innovation, pursuit of excellence, win-win cooperation, and sustainable operation', and takes 'customer first' and 'service satisfaction' as the eternal theme of the company. We warmly welcome new and old customers to inquire and patronize. Our production scale, processing level, technical equipment and other aspects are in the leading position in China's stone industry.
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