
DIN Standard Plastic Pipe Fitting Rubber Ring PVC Pipe Fitting
Description
Technical Parameters
Superior quality and reasonable price are our main advantages, which make our PVC Vanstone Flange, Poly Ferrule Tee, UPVC Reducer more competitive in the market. We believe that expanding more businesses is the cornerstone of our core competitiveness and internationalization, and must be developed as a priority. We will deepen the understanding of the market and follow the trend of the international market. We strive to improve the level of user network marketing, we cherish this opportunity, we respect this career, and we are proud of it.
uPVC Pipe Fittings, uPVC Solvent Weld Fittings, uPVC Reducer, uPVC Reducer Fittings, uPVC Reducer Coupling, uPVC Reducing Socket, uPVC Reducing Coupler, uPVC Solvent Reducer, PVC Reducer
uPVC reducer fittings, also called uPVC reducer coupling, is used to join two lengths of uPVC pipe in different diameter.
Made by high quality uPVC material (Unplasticised Polyvinyl Chloride), uPVC reducer coupling fittings contain UV stabilising additives, and they are UV-resistant for outdoor use. The fittings have two socket ends, and are suitable for solvent weld the uPVC pipe (as known as uPVC solvent weld reducer)
The uPVC reducer fittings are regularly produced in grey color, some customers may also need the white color & blue color, which is also possible to us. The uPVC reducer with solvent weld is suitable for cold water supply, with available working temperature 0℃ to 60℃.
SUNPLAST uPVC solvent weld reducer fittings are exclusively available in full range of nominal metric diameters from 25*20mm to 400*355mm, with a normal working pressure of PN10 bars & PN16 bars, and are manufactured and tested in accordance with the domestic standard GB/T10002.2-2003, at the same time, they can also comply to international standards of ISO 4422-3:1996; ISO 1542-3:2009 & DIN8063
More brief details as below:
Product | uPVC Reducer, uPVC Reducer Fittings, uPVC Reducer Coupling, uPVC Reducing Socket, uPVC Reducing Coupler, uPVC Solvent Reducer, PVC Reducer |
Specification | DN25*20~DN400*355mm |
Pressure ratings | PN10 & PN16 |
Material | Unplasticized polyvinyl chloride |
Manufacturing Process | Injection molded |
Color | Grey, Blue, White, or as per customers request. |
Manufacturing Standard | GB/T10002.2-2003, ISO 4422-3:1996, ISO 1542-3:2009, DIN 8063 |
Product Specifications
uPVC Reducer: available size dn25*20mm to dn400*355mm
Pressure: PN10 bars & PN16 bars
Color: Grey, Blue, White, or as per customer request.

Size De | Dimensions | |||||||||
D0 | D1 | D2 | d0 | d1 | d2 | d3 | t | T | L | |
25*20 | 30.05 | 25.24 | 24.95 | 24.85 | 20.24 | 19.96 | 19.00 | 17.00 | 19.50 | 41.80 |
32*20 | 37.40 | 32.25 | 31.95 | 24.85 | 20.24 | 19.96 | 19.00 | 17.00 | 23.00 | 48.50 |
32*25 | 37.40 | 32.25 | 31.95 | 30.00 | 25.24 | 24.95 | 24.00 | 19.50 | 23.00 | 48.50 |
40*20 | 46.70 | 40.28 | 39.95 | 26.10 | 20.24 | 19.96 | 19.00 | 17.00 | 27.00 | 55.10 |
40*25 | 46.70 | 40.28 | 39.95 | 31.30 | 25.24 | 24.95 | 24.00 | 19.50 | 27.00 | 55.50 |
40*32 | 46.80 | 40.28 | 39.95 | 38.70 | 32.25 | 31.95 | 31.00 | 23.00 | 27.00 | 55.20 |
50*20 | 56.60 | 50.33 | 49.94 | 24.85 | 20.24 | 19.96 | 19.00 | 17.00 | 32.00 | 66.50 |
50*25 | 56.80 | 50.33 | 49.94 | 30.00 | 32.25 | 31.95 | 24.00 | 23.00 | 32.00 | 66.50 |
50*32 | 56.60 | 50.33 | 49.94 | 37.50 | 40.28 | 39.95 | 31.00 | 27.00 | 32.00 | 66.50 |
50*40 | 57.20 | 50.33 | 49.94 | 47.10 | 40.28 | 39.95 | 39.00 | 27.00 | 32.00 | 66.20 |
63*25 | 71.70 | 63.34 | 62.93 | 31.20 | 25.24 | 24.95 | 24.00 | 19.50 | 38.50 | 79.50 |
63*32 | 72.10 | 63.34 | 62.93 | 38.30 | 32.25 | 31.95 | 31.00 | 23.00 | 38.50 | 79.50 |
63*40 | 71.50 | 63.34 | 62.93 | 47.00 | 40.28 | 39.95 | 39.00 | 27.00 | 38.50 | 78.80 |
63*50 | 83.30 | 63.34 | 62.93 | 57.40 | 50.33 | 49.94 | 49.00 | 32.00 | 38.50 | 80.00 |
75*32 | 83.30 | 75.35 | 74.93 | 38.00 | 32.25 | 31.95 | 31.00 | 23.00 | 44.50 | 92.50 |
75*40 | 83.30 | 75.35 | 74.93 | 46.20 | 40.28 | 39.95 | 39.00 | 27.00 | 44.50 | 92.50 |
75*50 | 83.30 | 75.35 | 74.93 | 56.50 | 50.33 | 49.94 | 49.00 | 32.00 | 44.50 | 92.30 |
75*63 | 83.30 | 75.35 | 74.93 | 70.30 | 63.34 | 62.93 | 62.00 | 38.50 | 44.50 | 91.80 |
90*40 | 99.20 | 90.38 | 89.93 | 46.00 | 40.28 | 39.95 | 39.00 | 27.00 | 52.00 | 106.50 |
90*50 | 99.20 | 90.38 | 89.93 | 56.30 | 50.33 | 49.94 | 49.00 | 32.00 | 52.00 | 107.50 |
90*63 | 99.20 | 90.38 | 89.93 | 71.00 | 63.34 | 62.93 | 62.00 | 38.50 | 52.00 | 109.00 |
90*75 | 99.20 | 90.38 | 89.93 | 84.00 | 75.35 | 74.93 | 73.50 | 44.50 | 52.00 | 107.50 |
110*50 | 120.80 | 110.42 | 109.92 | 56.70 | 50.33 | 49.94 | 49.00 | 32.00 | 62.00 | 125.75 |
110*63 | 120.80 | 110.42 | 109.92 | 70.55 | 63.34 | 62.93 | 62.00 | 38.50 | 62.00 | 125.00 |
110*75 | 120.80 | 110.42 | 109.92 | 84.20 | 75.35 | 74.93 | 73.50 | 44.50 | 62.00 | 128.60 |
110*90 | 120.80 | 110.42 | 109.92 | 100.30 | 90.38 | 89.93 | 88.50 | 52.00 | 62.00 | 125.78 |
125*63 | 135.20 | 125.52 | 124.93 | 69.50 | 63.34 | 62.93 | 62.00 | 38.50 | 69.50 | 142.50 |
125*75 | 135.20 | 125.52 | 124.93 | 82.70 | 75.35 | 74.93 | 73.50 | 44.50 | 69.50 | 142.50 |
125*90 | 137.30 | 125.52 | 124.93 | 99.50 | 90.38 | 89.93 | 88.50 | 52.00 | 69.50 | 142.50 |
125*110 | 137.00 | 125.52 | 124.93 | 121.60 | 110.42 | 109.92 | 108.00 | 62.00 | 69.50 | 142.50 |
140*90 | 151.50 | 140.58 | 139.88 | 99.30 | 90.38 | 89.93 | 88.50 | 52.00 | 77.00 | 151.50 |
140*110 | 152.60 | 140.58 | 139.88 | 119.60 | 110.42 | 109.92 | 108.00 | 62.00 | 77.00 | 157.00 |
160*90 | 175.30 | 160.62 | 159.87 | 99.50 | 90.38 | 89.93 | 88.50 | 52.00 | 87.00 | 175.30 |
160*110 | 175.10 | 160.62 | 159.87 | 121.60 | 110.42 | 109.92 | 108.00 | 62.00 | 87.00 | 178.00 |
160*125 | 175.60 | 160.62 | 159.87 | 137.20 | 125.52 | 124.93 | 123.00 | 69.50 | 87.00 | 119.00 |
160*140 | 175.10 | 160.62 | 159.87 | 152.80 | 140.58 | 139.88 | 138.00 | 77.00 | 87.00 | 178.00 |
180*160 | 202.80 | 180.81 | 179.91 | 180.00 | 160.62 | 159.87 | 158.00 | 87.00 | 97.00 | 202.50 |
200*110 | 217.90 | 200.90 | 199.85 | 122.60 | 110.42 | 109.92 | 108.00 | 62.00 | 107.00 | 218.50 |
200*125 | 217.40 | 200.90 | 199.85 | 136.70 | 125.52 | 124.93 | 123.00 | 69.50 | 107.00 | 219.00 |
200*140 | 218.50 | 200.90 | 199.85 | 153.10 | 140.58 | 139.88 | 138.00 | 77.00 | 107.00 | 221.00 |
200*160 | 218.50 | 200.90 | 199.85 | 175.00 | 160.62 | 159.87 | 158.00 | 87.00 | 107.00 | 221.00 |
225*110 | 245.80 | 226.02 | 224.83 | 121.80 | 110.42 | 109.92 | 108.00 | 62.00 | 119.50 | 245.00 |
225*125 | 245.50 | 226.02 | 224.83 | 136.60 | 125.52 | 124.93 | 123.00 | 69.50 | 119.50 | 245.00 |
225*160 | 245.80 | 226.02 | 224.83 | 174.86 | 160.62 | 159.87 | 158.00 | 87.00 | 119.50 | 245.00 |
225*200 | 245.80 | 226.02 | 224.83 | 218.50 | 200.90 | 199.85 | 197.00 | 107.00 | 119.50 | 245.00 |
250*110 | 272.20 | 251.15 | 249.41 | 121.80 | 110.42 | 109.92 | 108.00 | 62.00 | 132.00 | 265.00 |
250*160 | 269.30 | 251.15 | 249.41 | 174.90 | 160.62 | 159.87 | 158.00 | 87.00 | 132.00 | 272.00 |
250*200 | 270.00 | 251.15 | 249.41 | 217.20 | 200.90 | 199.85 | 197.00 | 107.00 | 132.00 | 272.00 |
280*250 | 315.50 | 281.46 | 280.16 | 280.40 | 251.15 | 249.41 | 247.00 | 132.00 | 147.00 | 304.00 |
315*110 | 343.30 | 316.55 | 315.05 | 125.75 | 110.42 | 109.92 | 108.00 | 62.00 | 165.00 | 380.60 |
315*125 | 343.50 | 316.55 | 315.05 | 142.40 | 125.52 | 124.93 | 123.00 | 69.50 | 165.00 | 377.80 |
315*160 | 343.00 | 316.55 | 315.05 | 178.60 | 160.62 | 159.87 | 158.00 | 87.00 | 165.00 | 371.00 |
315*200 | 343.00 | 316.55 | 315.05 | 220.90 | 200.90 | 199.85 | 197.00 | 107.00 | 165.00 | 358.00 |
315*225 | 342.80 | 316.55 | 315.05 | 246.70 | 226.02 | 224.83 | 221.00 | 119.50 | 165.00 | 354.50 |
315*250 | 342.80 | 316.55 | 315.05 | 273.70 | 251.15 | 249.41 | 247.00 | 132.00 | 165.00 | 351.00 |
355*200 | 386.10 | 356.63 | 355.03 | 220.90 | 200.90 | 199.85 | 197.00 | 107.00 | 183.50 | 400.00 |
355*250 | 386.10 | 356.63 | 355.03 | 273.70 | 251.15 | 249.41 | 247.00 | 132.00 | 183.50 | 392.60 |
355*315 | 386.10 | 356.63 | 355.03 | 344.00 | 316.55 | 315.05 | 312.00 | 165.00 | 183.50 | 384.00 |
400*200 | 432.70 | 401.60 | 400.00 | 220.90 | 200.90 | 199.85 | 197.00 | 107.00 | 208.00 | 453.50 |
400*250 | 431.30 | 401.60 | 400.00 | 273.70 | 251.15 | 249.41 | 247.00 | 132.00 | 208.00 | 447.00 |
400*315 | 432.70 | 401.60 | 400.00 | 344.30 | 316.55 | 315.05 | 312.00 | 165.00 | 208.00 | 438.50 |
400*355 | 432.30 | 401.60 | 400.00 | 386.40 | 356.63 | 355.03 | 326.00 | 183.50 | 208.00 | 430.80 |
(Noted: the technical data is just for reference, some data may change, if you need exact data, then please contact us directly)
Our Product Range
As a integrated manufacturer who engaged in uPVC pipe fittings over 10 years, SUNPLAST has developed a wide range of uPVC products with excellence performance & durability, all customers can find the best solution of fittings for their uPVC pipeline systems in SUNPLAST.
SUNPLAST uPVC solvent weld fittings can be supplied in a diameter ranging from 20mm to 400mm in both PN10 bars & PN16 bars, which are be comprised of the regular types: uPVC coupling, uPVC 90 degree elbow, uPVC 45 degree elbow, uPVC Tee, uPVC Union, uPVC Reducer, uPVC Clamp Saddle, uPVC Repair Saddle, uPVC Ball Valve, uPVC flange...etc.

Installation procedure For uPVC Solvent Weld Joint Pipe Fittings
uPVC solvent weld joint fittings are the most commonly used accessories for the uPVC pressure pipe. The solvent weld joint not only provide a simple & easy joint method that save costs, but also a reliable joint with 100% water tight.
The installation procedure as below:

Contact Us
If you have any requirements on uPVC 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 determined to repay our customers with excellent DIN Standard Plastic Pipe Fitting Rubber Ring PVC Pipe Fitting and quality services, to benefit the society and to make our employees successful. The company is very willing to use our professional level to actively explore and forge ahead. We learn from the industry's leading knowledge, so that our level of resource integration and utilization and international competitiveness have been significantly improved.
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