Shanxi Kaisheng Plastic Co., Ltd. is one of the most reliable manufacturers and suppliers of diameter reducing tee in China. Please feel free to buy CE approved diameter reducing tee in stock here from our factory. All customized products are with high quality and competitive price. Contact us for quotation.
Product Overview
The Diameter Reducing Tee is a three-way PE/HDPE fitting used to connect a smaller branch pipe to a larger main line. It is applied in municipal water supply, agricultural irrigation, wastewater, mining, drainage, and industrial fluid systems.


Product Advantages
PE100 Material
Durable, corrosion-resistant material suitable for water, irrigation, drainage, mining, and industrial applications.
Multiple Sizes
Standard main-to-branch combinations are available, with custom sizes evaluated for specific requirements.
Fusion Compatible
Butt fusion or electrofusion configurations are available according to pipe and project specifications.
Technical Specifications
|
Parameter |
Specification |
|
Product Name |
Diameter Reducing Tee |
|
Product Type |
HDPE / PE Pipe Fitting |
|
Material |
PE100 / HDPE |
|
Resin |
Virgin Polyethylene |
|
Manufacturing |
Injection Molding |
|
Main Diameter |
Standard & Custom |
|
Branch Diameter |
Customizable |
|
SDR |
As Required |
|
Pressure Class |
PN10 / PN12.5 / PN16 |
|
Connection |
Butt Fusion / Electrofusion |
|
Color |
Black / Blue Stripe / Custom |
|
Standards |
ISO 4427 / EN 12201 / GB/T 13663 |
|
UV Protection |
Available |
|
Custom Production |
Available |
|
Inspection |
Factory Inspection / Third-Party Inspection |
|
Service Life |
Up to 50 Years |
Size Combinations
|
Main Diameter 1 (mm) |
Main Diameter 2 (mm) |
Branch Diameter (mm) |
|
40 |
40 |
32 |
|
50 |
50 |
40 |
|
63 |
63 |
50 |
|
75 |
75 |
50 |
|
90 |
90 |
63 |
|
110 |
110 |
63 |
|
110 |
110 |
90 |
|
125 |
125 |
90 |
|
160 |
160 |
110 |
|
200 |
200 |
160 |
|
250 |
250 |
200 |
|
315 |
315 |
250 |
Custom dimensions, non-standard SDR ratings, and special branch configurations can be evaluated upon submission of technical drawings or detailed specifications.
Easy Installation
Check: Make sure the tee and pipe ends are clean and undamaged.
Prepare: Cut the pipe ends straight, remove any burrs, and clean the surfaces.
Align: Line everything up and secure it with clamps.
Fuse: Use the appropriate butt fusion or electrofusion method.
Cool: Let the joint cool naturally. Don't move, bend, or pressurize it while cooling.
Test: Check the joint and test for leaks before putting the system into use.
Packaging & Shipping
Packaging Options: Packaged securely in heavy-duty export woven bags, cartons, reinforced wooden pallets, or custom crates to protect shape and surface integrity during transit.
Container Loading: Professionally stowed in 20ft or 40ft containers to maximize volumetric space utilization and eliminate shifting.
Shipping Methods: Flexible global logistics options including Full Container Load (FCL), Less than Container Load (LCL) ocean freight, international rail transport, and cross-border trucking.
Export Documentation: Commercial invoices, packing lists, bills of lading, certificates of origin, and factory inspection test records provided per contract agreements.


Frequently Asked Questions
Q: Can you manufacture custom-sized reducing tees?
A: Yes. Custom diameters, SDR ratings, pressure classes, and branch configurations can be produced according to technical requirements.
Q: What is the MOQ?
A: MOQ depends on the size, specification, and order quantity. Please contact us for the MOQ of your required products.
Q: Can I order multiple sizes in one shipment?
A: Yes. Mixed-size orders can be arranged for distributors, wholesalers, contractors, and project buyers.
Q: Do you support OEM and private labeling?
A: Yes. OEM production, customized packaging, labeling, and product specifications are available for qualified orders.
Q: What is the lead time for bulk orders?
A: Lead time depends on product specifications, quantity, customization, and current production schedules. We confirm the delivery time before order confirmation.
Q: Can you provide samples?
A: Yes. Samples can be provided for product evaluation and project approval. Shipping arrangements can be discussed with our sales team.
Q: How do you control product quality?
A: We conduct raw material inspection, dimensional checks, appearance inspection, and finished-product quality checks before shipment. Third-party inspection can also be arranged if required.
Q: What information is needed for a quotation?
A: Please provide the main diameter, branch diameter, SDR, pressure rating, quantity, connection method, application, and destination. We will then prepare a quotation based on your requirements.


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