
UPVC Pressure Fittings with Gasket (DIN) UPVC Blind Flanges DIN
Description
Technical Parameters
We are constantly working on our designs and each year a large number of new PVC Faucet Flanged Tee, electrofusion pipe fittings, hdpe coupling are added to the production line. The cohesion of all employees of our company reflects the unity of individual interests and overall interests, ensuring the high efficiency of the company. The company keeps up with industry hotspots, and has a dedicated R&D team to optimize and improve products in a timely manner based on the hotspots. In the face of changes in domestic and international markets, we combine our own reality and put forward the development strategy of building on our strengths and avoiding our weaknesses and diversifying our business.
uPVC Pipe Fittings, uPVC Solvent Weld Fittings, uPVC Coupler, uPVC Coupling, PVC Coupling, uPVC Pipe Coupling, uPVC solvent coupling
uPVC Pipe Fittings are an extremely versatile products that has uses ranging from drinking water to highly corrosive chemical applications. The product contains UV stabilising additives and thermal properties which ensure that it is suitable for both interior and exterior environments. Its smooth texture also ensures that there is limited build up of materials or scale from the liquids during operations.
SUNPLAST uPVC solvent weld fittings are exclusively available in full range of nominal metric diameters from 20mm to 400mm, 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.
About uPVC Coupler / Coupling
uPVC couplers / Couplings are one of the most simple (and inexpensive) types of uPVC pipe fittings, which are used for the connection pipe to pipe in the same outer diameter.
SUNPLAST uPVC Coupler / Coupling can be supplied in a full sizes from dn20mm to 400mm, with a normal working pressure of PN10 bars for water (uPVC Pipe Coupling with small diameter dn20mm~dn110mm can also be supplied in PN16 bars for water). The fittings have socket ends, and allow to connect two uPVC pipes by solvent weld.
More brief details as below:
Product | uPVC Coupler, uPVC Coupling, PVC Coupling, uPVC Pipe Coupling, uPVC Solvent Coupling |
Specification | DN20~DN400mm |
Pressure ratings | PN10 & PN16 |
Material | Unplasticized polyvinyl chloride |
Manufacturing Process | Injection molded |
Color | Grey, Blue, White, or as per customers request. |
Product Specifications
uPVC Coupling Fittings: available from dn20mm to dn400mm
Pressure: PN10 bars & PN16 bars
Color: Grey, Blue, White, or as per customer request.

Size De | Dimensions | |||||
D0 | d1 | d2 | d | T | L | |
20 | 24.80 | 20.24 | 19.96 | 19.00 | 17.00 | 36.00 |
25 | 29.90 | 25.24 | 24.95 | 24.00 | 19.50 | 41.30 |
32 | 37.40 | 32.25 | 31.95 | 31.00 | 23.00 | 48.10 |
40 | 47.00 | 40.28 | 39.95 | 39.00 | 27.00 | 56.60 |
50 | 56.50 | 50.33 | 49.94 | 49.00 | 32.00 | 67.00 |
63 | 70.50 | 63.34 | 62.93 | 62.00 | 38.50 | 81.00 |
75 | 83.30 | 75.35 | 74.93 | 73.50 | 44.50 | 93.00 |
90 | 100.00 | 90.38 | 89.93 | 88.50 | 52.00 | 107.60 |
110 | 119.84 | 110.42 | 109.92 | 108.00 | 62.00 | 128.30 |
125 | 136.30 | 125.52 | 124.93 | 123.00 | 69.50 | 147.20 |
140 | 153.50 | 140.58 | 139.88 | 138.00 | 77.00 | 163.60 |
160 | 174.70 | 160.62 | 159.87 | 158.00 | 87.00 | 183.30 |
180 | 202.50 | 180.81 | 179.91 | 178.50 | 97.00 | 203.50 |
200 | 218.90 | 200.90 | 199.85 | 197.00 | 107.00 | 217.00 |
225 | 245.80 | 226.02 | 224.83 | 221.00 | 119.50 | 245.00 |
250 | 269.80 | 251.15 | 249.41 | 247.00 | 132.00 | 279.00 |
280 | 314.80 | 281.46 | 280.16 | 278.00 | 147.00 | 299.50 |
315 | 343.70 | 316.55 | 315.05 | 312.00 | 165.00 | 343.00 |
355 | 384.60 | 356.63 | 355.03 | 326.00 | 183.50 | 373.00 |
400 | 430.70 | 401.60 | 400.00 | 398.50 | 208.00 | 423.00 |
(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.

Benefits Of uPVC Solvent Weld Joint Fittings
uPVC solvent weld fittings have become the most common accessories for uPVC pipe, a number of performance benefits as below:
© Easy to install: uPVC solvent weld fittings are very easy to install, no special tools or machine, just with inexpensive tools and cleaner / glue
© Excellent chemical resistance: uPVC pipe fittings are resistant to many acids, alkali, bases and salts.
© Wide temperature rating of 0~60℃.
© UV resistant / stabilised: uPVC fittings contains UV stabilising additives, which allow for outdoor use.
© Excellent corrosion resistance: uPVC pipe fittings don’t scale, pit or rust.
© Smooth interior walls provide a high consistent flow rate and low friction loss.
© Environment-friendly: uPVC Pipe Fittings can be recycled.
© Impact Strength: Under normal conditions, uPVC pipe fittings possess relatively high resistance to impact damage when compared to the fittings made from clay, concrete and most other conventional material.
Applicants of uPVC Pipe Fittings
uPVC pipes & fittings is one of the most cost-effective materials on the market today. Not only that but is lightweight, durable, and easy to install. uPVC solvent weld joint pipe fittings can resist temperatures up to 60℃ and can withstand pressures up to 16 bars.
The uPVC pressure pipe system is suitable for the transportation of potable water for industrial and domestic uses. Other major areas of application include:
● Agricultural irrigation
● Conveyance of processing fluids within industry
● Sewerage and industrial effluent disposal
● Conveyance of abrasive slurries
● Transportation of acids, alkalis and other corrosive chemicals (refer to section 4.8)
● Ground water transportation for land engineering
● Buried fire ring main
● Conduit or duct for cables and fragile piping systems
● Venting systems
● Rigid uPVC pipe should not be used at ambient or liquid temperatures in excess of 60℃ for pressure systems.

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 consistently execute our spirit of ''Innovation bringing progress, Highly-quality ensuring subsistence, Administration advertising and marketing gain, Credit history attracting buyers for UPVC Pressure Fittings with Gasket (DIN) UPVC Blind Flanges DIN. In order to enhance the trust relationship with customers, investors, employees, communities, partners and other stakeholders, we are committed to promoting exchanges. We use advanced network technology to deal with product sales management, analysis and data statistics, so as to improve the competitiveness of enterprises.
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