
Era UPVC Dwv Fittings with GB/T 5836.1 Standard Iron Connector Reducer Bushing
Description
Technical Parameters
We can provide customers with the most satisfactory answers in a short time, and create higher added value for our Poly Female Tee, HDPE Electrofusion elbow 45, HDPE Spigot elbow. At present, the homogenization of products in the industry is becoming more and more serious, and marketing needs to compete to win from the comprehensive level of image, brand and culture. In terms of operations, we always advocate people-based management and insist on talent being the source of business development. Whether the ownership structure is reasonable or not is directly related to whether it can effectively improve the efficiency of corporate governance and enhance the value of the company.
uPVC Pipe Fittings, uPVC Solvent Weld Fittings, uPVC Reducer Bushing, uPVC Bush, uPVC Bush Connector, uPVC Bush Reducer, uPVC Bushing Reducer, uPVC Reducing Bush

uPVC bush or uPVC bushing fittings, also known as uPVC bush reducers, are a lot like adapters, but with a focus on connecting pipes of different diameters by reducing the fitting. (Bushings cannot reduce pipe.) uPVC Bushing Reducer fittings are also typically threaded, which sets them apart from other types of fittings. This allows for different kinds of connections and makes maintenance and pipeline customization easier. Bushings are often seen in landscaping and aquaculture applications because they work better with water than metal fittings that may rust.
The uPVC bushing fittings with solvent weld is regularly UV- stability, which is suitable for both indoor & outdoor use. Made by high quality of Unplasticised Polyvinyl Chloride material, uPVC bush reducer fittings are suitable for cold water supply, with max. Working temperature 60℃.
The uPVC reducing bushing is regularly provided in grey color, but the other colors are also available as per customers’ request.
SUNPLAST uPVC solvent reducing bush fittings can be provided in a size from 25*20mm to 400*315mm, 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.
More brief details as below:
Product | uPVC Reducer Bushing, uPVC Bush, uPVC Bush Connector, uPVC Bush Reducer, uPVC Bushing Reducer, uPVC Reducing Bush |
Specification | DN25*20mm ~DN400*315mm |
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 8062 |
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 | 5 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
uPVC Reducing Bush Fittings: available from DN25*20mm ~DN400*315mm
Pressure: PN10 bars & PN16 bars
Color: Grey, Blue, White, or as per customer request.

Size De | Dimensions | |||||
d0 | d1 | d2 | d | T | L | |
25*20 | 25.1 | 20.24 | 19.96 | 19 | 17 | 19 |
32*25 | 32.2 | 25.24 | 24.95 | 24 | 19.5 | 22.2 |
40*32 | 40.1 | 32.25 | 31.95 | 31 | 23 | 26.5 |
50*40 | 50.06 | 40.28 | 39.95 | 39 | 27 | 30.6 |
63*50 | 63.1 | 50.33 | 49.94 | 49 | 32 | 38 |
75*63 | 75.1 | 63.34 | 62.93 | 62 | 38.5 | 44 |
90*75 | 90.1 | 75.35 | 74.93 | 73 | 44.5 | 51 |
110*90 | 110.1 | 90.38 | 89.93 | 88.5 | 52 | 60.5 |
125*110 | 125.1 | 110.42 | 109.92 | 108 | 62 | 68.5 |
140*110 | 140.1 | 110.42 | 109.92 | 108 | 62 | 76.7 |
140*125 | 140.1 | 125.52 | 124.93 | 123 | 69.5 | 76.7 |
160*110 | 160.1 | 110.42 | 109.92 | 108 | 62 | 86 |
160*140 | 160.1 | 140.58 | 139.88 | 138 | 77 | 86 |
180*160 | 180.1 | 160.62 | 159.87 | 158 | 87 | 96 |
200*160 | 200.1 | 160.62 | 159.87 | 158 | 87 | 106 |
200*180 | 200.1 | 180.81 | 179.91 | 178.5 | 97 | 106 |
225*160 | 225.2 | 160.62 | 159.87 | 158 | 87 | 119.8 |
225*200 | 225.2 | 200.9 | 199.85 | 197 | 107 | 118 |
250*200 | 250.2 | 200.9 | 199.85 | 197 | 107 | 128.4 |
250*225 | 250.2 | 226.02 | 224.83 | 221 | 119.5 | 128.4 |
280*225 | 280.1 | 226.02 | 224.83 | 221 | 119.5 | 145.5 |
315*280 | 315.1 | 281.46 | 280.16 | 278 | 147 | 164 |
400*315 | 400.1 | 316.55 | 315.05 | 312 | 165 | 216 |
(Noted: the technical data is just for reference, some data may change, if you need exact data, then please contact us directly)
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.
Technical Parameter
SUNPLAST uPVC solvent weld joint fittings are manufactured into our national standard GB/T10002.2-2003, the fittings can be complied with ISO 4422-3:1996, ISO 1542-3:2009 standard, as well DIN8063 standard.
Major technical parameter as below:
Characteristic | Requirement | ||||
Vic. Soft Temperature | ≥74℃ | ||||
Dry Oven Test | Accord with GB/T 8803-2001 | ||||
Drop Shutter Test | No Crack with all samples | ||||
Hydraulic Pressure Test | Normal Outer Dia. dn | Temperature ℃ | Pressure Mpa | Time H | Requirement |
dn≤90 | 20 | 4.2×PN | 1 | No Crack No Leak | |
3.2×PN | 1000 | ||||
dn>90 | 20 | 3.36×PN | 1 | ||
2.56×PN | 1000 | ||||
Quality Control
As a premier manufacturer in China, we committed to supply the best quality uPVC pipe fittings to our customers. Every production processes from the start to end are strictly monitored and recorded. Well-trained staffs are exercising inspection and quality control using calibrated equipment.

All tests are carried out in our laboratory and the results have been properly recorded. We assure that only products which pass our stringent testing in compliance with the relevant standard’s requirements will only be released or delivered to our customers.
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 constantly improve our technology and service in order to make our quality Era UPVC Dwv Fittings with GB/T 5836.1 Standard Iron Connector Reducer Bushing more widely used by customers all over the world. We respect each other and get along equally, and the success of the company is the affirmation and recognition of each employee's contribution. Our company improves our service level and enhances our comprehensive strength through brand building, which is conducive to better develop the market.
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