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Butt weld reducing tee
·Standard: ISO
EN 10253-1 / EN 10253-2 / EN 10253-3
·Material: Carbon steel S235 / P235TR2
SS equivalent to WP304 / WP316L
·W. pressure: Equal to same straight pipe
·Surface: Black painting / hot dip galvanized
Pickling white, etc.
·Size range: 3/4″x1/2″—24″x10″
description
butt weld reducing tee, T-shaped, compact structure, high strength, good sealing, suitable for high pressure piping systems, and no additional flange connection, easy and reliable installation.
Specification
Available size
| Size(DXD1) | Preferred T to EN 10253-2 (Large end,mm) | F(mm) | G(mm) | ||
| NPS | DN | OD(mm) | |||
| 3/4″x1/2″ | 20×15 | 26.9×21.3 | 2.3/2.6/3.214.0/4.5/5.6/8.0 | 29 | 29 |
| 1″x3/4″ | 25x 20 | 33.7×26.9 | 2.6/3.214.0/4.5/5.6/6.3/8.8 | 38 | 38 |
| 1″x1/2″ | 25x 15 | 33.7×21.3 | 2.6/3.214.0/4.5/5.6/6.3/8.8 | 38 | 38 |
| 1-1/4″x1″ | 32×25 | 42.4×33.7 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 48 | 48 |
| 1-1/4″x 3/4″ | 32×20 | 42.4×26.9 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 48 | 48 |
| 1-1/4″x1/2″ | 32x 15 | 42.4×21.3 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 48 | 48 |
| 1-1/2″x1-1/4″ | 40x 32 | 48.3×42.4 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 57 | 57 |
| 1-1/2″x1″ | 40×25 | 48.3×33.7 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 57 | 57 |
| 1-1/2″x3/4″ | 40×20 | 48.3×26.9 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 57 | 57 |
| 1-1/2″x1/2″ | 40×15 | 48.3×21.3 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 57 | 57 |
| 2″x 1-1/2″ | 50×40 | 60.3×48.3 | 2.9/3.6/4.0/5.617.1/8.8/11.0 | 64 | 60 |
| 2″x1-1/4″ | 50x 32 | 60.3×42.4 | 2.9/3.6/4.0/5.6/7.1/8.8/11.0 | 64 | 57 |
| 2″x1″ | 50×25 | 60.3×33.7 | 2.9/3.614.0/5.6/7.1/8.8/11.0 | 64 | 51 |
| 2″x3/4″ | 50×20 | 60.3×26.9 | 2.9/3.614.0/5.6/7.1/8.8/11.0 | 64 | 44 |
| 2″x1/2″ | 50x 15 | 60.3×21.3 | 2.9/3.614.0/5.6/7.1/8.8/11.0 | 64 | 38 |
| 2-1/2″x2″ | 65×50 | 76.1×60.3 | 2.9/3.6/5.61/7.1/8.0/10.0/14.2 | 76 | 70 |
| 2-1/2″x1-1/2″ | 65×40 | 76.1×48.3 | 2.9/3.6/5.6/7.1/8.0/10.0/14.2 | 76 | 67 |
| 2-1/2″x1-1/4″ | 65×32 | 76.1×42.4 | 2.9/3.6/5.6/7.1/8.0/10.0/14.2 | 76 | 64 |
| 2-1/2″x1″ | 65×25 | 76.1×33.7 | 2.9/3.6/5.6/7.1/8.0/10.0/14.2 | 76 | 57 |
| 2-1/2″x3/4″ | 65×20 | 76.1×26.9 | 2.9/3.6/5.6/7.1/8.0/10.0/14.2 | 76 | 51 |
| 3″x2-1/2″ | 80×65 | 88.9×76.1 | 3.214.015.6/8.0/8.8/11.0/16.0 | 86 | 83 |
| 3″x2″ | 80×50 | 88.9×60.3 | 3.214.015.6/8.0/8.8/11.0/16.0 | 86 | 76 |
| 3″x1-1/2″ | 80×40 | 88.9×48.3 | 3.214.0/5.6/8.0/8.8/11.0/16.0 | 86 | 73 |
| 3″x1-1/4″ | 80×32 | 88.9×42.4 | 3.214.015.6/8.0/8.8/11.0/16.0 | 86 | 70 |
| 3″x1″ | 80×25 | 88.9×33.7 | 3.214.0/5.6/8.0/8.8/11.0/16.0 | 86 | 67 |
| 4″x3″ | 100×80 | 114.3×88.9 | 3.6/4.5/6.3/8.8/11.0/14.2/17.5 | 105 | 98 |
| 4″x2-1/2″ | 100×65 | 114.3×76.1 | 3.6/4.5/6.3/8.8/11.0/14.2/17.5 | 105 | 95 |
| 4″x2″ | 100×50 | 114.3×60.3 | 3.6/4.5/6.3/8.8/11.0/14.2/17.5 | 105 | 89 |
| 4″x 1-1/2″ | 100×40 | 114.3×48.3 | 3.614.5/6.3/8.8/11.0/14.2/17.5 | 105 | 86 |
| 4″x1-1/4″ | 100×32 | 114.3×42.2 | 3.614.5/6.3/8.8/11.0/14.2/17.5 | 105 | 70 |
| 4″x1″ | 100×25 | 114.3×33.7 | 3.614.5/6.3/8.8/11.0/14.2/17.5 | 105 | 67 |
| 5″x4″ | 125×100 | 139.7×114.3 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 117 |
| 5″x3″ | 125×80 | 139.7×88.9 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 111 |
| 5″x2-1/2″ | 125×65 | 139.7×76.1 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 108 |
| 5″x2″ | 125×50 | 139.7×60.3 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 105 |
| 5″x 1-1/2″ | 125×40 | 139.7×48.3 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 99 |
| 5″x1-1/4″ | 125×32 | 139.7×42.2 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 80 |
| 5″x1″ | 125×25 | 139.7×33.4 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 75 |
| 6″x5″ | 150×125 | 168.3×139.7 | 4.014.5/5.6/7.1/11.0/14.2/17.5/22.2 | 143 | 137 |
| 6″x4″ | 150×100 | 168.3×114.3 | 4.014.5/5.6/7.1/11.0/14.2/17.5/22.2 | 143 | 130 |
| 6″x3″ | 150×80 | 168.3×88.9 | 4.014.5/5.617.1/11.0/14.2/17.5/22.2 | 143 | 124 |
| 6″x2-1/2″ | 150×65 | 168.3×76.1 | 4.014.5/5.6/7.1/11.0/14.2/17.5/22.2 | 143 | 121 |
| 6″x2″ | 150×50 | 168.3×60.3 | 4.014.5/5.617.1/11.0/14.2/17.5/22.2 | 143 | 117 |
| 6″x1-1/2″ | 150×40 | 168.3×48.3 | 4.014.515.617.1/11.0/14.2/17.5122.2 | 143 | 109 |
| 6″x1-1/4″ | 150×32 | 168.3×42.2 | 4.014.5/5.617.1/11.0/14.2/17.5/22.2 | 143 | 87 |
| 6″x1″ | 150×25 | 168.3xx33.4 | 4.014.5/5.617.1/11.0/14.2/17.5/22.2 | 143 | 73 |
| 8″x6″ | 200×150 | 219.1×168.3 | 4.5/6.3/7.1/8.0/12.5/16.0/17.5/22.2 | 178 | 168 |
| 8″x5″ | 200×125 | 219.1×139.7 | 4.5/6.317.1/8.0/12.5/16.0/17.5/22.2 | 178 | 162 |
| 8″x4″ | 200×100 | 219.1×114.3 | 4.5/6.317.1/8.0/12.5/16.0/17.5/22.2 | 178 | 156 |
| 8″x3″ | 200×80 | 219.1×88.9 | 4.5/6.317.1/8.0/12.5/16.0/17.5/22.2 | 178 | 152 |
| 8″x2-1/2″ | 200×65 | 219.1×76.1 | 4.5/6.317.1/8.0/12.5/16.0/17.5/22.2 | 178 | 121 |
| 10″x8″ | 250×200 | 273.0×219.1 | 5.0/6.3/8.8/10.0/12.5/16.0/22.2/30.0 | 216 | 203 |
| 10″x6″ | 250×150 | 273.0×168.3 | 5.0/6.3/8.8/10.0/12.5/16.0/22.2/30.0 | 216 | 194 |
| 10″x5″ | 250×125 | 273.0×139.7 | 5.0/6.3/8.8/10.0/12.5/16.0/22.2/30.0 | 216 | 191 |
| 10″x4″ | 250×100 | 273.0×114.3 | 5.0/6.3/8.8/10.0/12.5/16.0/22.2/30.0 | 216 | 184 |
| 10″x3″ | 250×80 | 273.0×88.9 | 5.0/6.3/8.8/10.0/12.5/16.0/22.2/30.0 | 216 | 175 |
| 10″x2-1/2″ | 250×65 | 273.0×73.0 | 5.0/6.3/8.8/10.0/12.5/16.0/22.2/30.0 | 216 | 168 |
| 12″x10″ | 300×250 | 323.9×273.0 | 5.6/7.1/8.8/10.0/12.5/17.5/25.0/32.0 | 254 | 241 |
| 12″x8″ | 300×200 | 323.9×219.1 | 5.6/7.1/8.8/10.0/12.5/17.5/25.0/32.0 | 254 | 229 |
| 12″x6″ | 300×150 | 323.9×168.3 | 5.6/7.1/8.8/10.0/12.5/17.5125.0/32.0 | 254 | 219 |
| 12″x5″ | 300×125 | 323.9×139.7 | 5.6/7.1/8.8/10.0/12.5/17.5/25.0/32.0 | 254 | 191 |
| 12″x4″ | 300×100 | 323.8×114.3 | 5.6/7.1/8.8/10.0/12.5/17.5/25.0/32.0 | 254 | 209 |
| 12″x3″ | 300×80 | 323.8×88.9 | 5.6/7.1/8.8/10.0/12.5/17.5125.0/32.0 | 254 | 203 |
| 12″x2-1/2″ | 300×65 | 323.8×73.0 | 5.6/7.1/8.8/10.0/12.5/17.5/25.0/32.0 | 254 | 195 |
| 14″x12″ | 350×300 | 355.6×323.9 | 5.6/8.0/10.0/12.5/16.0/20.0/28.0/36.0 | 279 | 270 |
| 14″x10″ | 350×250 | 355.6×273.0 | 5.6/8.0/10.0/12.5/16.0/20.0/28.0/36.0 | 279 | 257 |
| 14″x8″ | 350×200 | 355.6×219.1 | 5.6/8.0/10.0/12.5/16.0/20.0/28.0/36.0 | 279 | 248 |
| 14″x6″ | 350×150 | 355.6×168.3 | 5.6/8.0/10.0/12.5/16.0/20.0/28.0/36.0 | 279 | 238 |
| 16″x14″ | 400×350 | 406.4×355.6 | 6.3/8.8/10.0/12.5/17.5/22.2/30.0/40.0 | 305 | 305 |
| 16″x12″ | 400×300 | 406.4×323.9 | 6.3/8.8/10.0/12.5/17.5/22.2/30.0/40.0 | 305 | 295 |
| 16″x10″ | 400×250 | 406.4×273.0 | 6.3/8.8/10.0/12.5/17.5/22.2/30.0/40.0 | 305 | 283 |
| 16″x8″ | 400×200 | 406.4×219.1 | 6.3/8.8/10.0/12.5/17.5/22.2/30.0/40.0 | 305 | 273 |
| 16″x6″ | 400×150 | 406.4×168.3 | 6.3/8.8/10.0/12.5/17.5/22.2/30.0/40.0 | 305 | 264 |
| 18″x16″ | 450×400 | 457×406.4 | 6.3/10.0/11.0/12.5/17.5/22.2/32.0/45.0 | 343 | 330 |
| 18″x14″ | 450×350 | 457x 355.6 | 6.3/10.0/11.0/12.5/17.5/22.2/32.0/45.0 | 343 | 330 |
| 18″x12″ | 450×300 | 457×323.9 | 6.3/10.0/11.0/12.5/17.5/22.2/32.0/45.0 | 343 | 321 |
| 18″x10″ | 450×250 | 457×273.0 | 6.3/10.0/11.0/12.5/17.5/22.2/32.0/45.0 | 343 | 308 |
| 18″x8″ | 450×200 | 457×219.1 | 6.3/10.0/11.0/12.5/17.5/22.2/32.0/45.0 | 343 | 298 |
| 20″x18″ | 500×450 | 508×457 | 6.3/10.0/11.0/12.5/17.5/25.0/36.0/50.0 | 381 | 368 |
| 20″x16″ | 500×400 | 508×406.4 | 6.3/10.0/11.0/12.5/17.5/25.0/36.0/50.0 | 381 | 356 |
| 20″x14″ | 500×350 | 508×355.6 | 6.3/10.0/11.0/12.5/17.5/25.0/36.0/50.0 | 381 | 330 |
| 20″x12″ | 500×300 | 508×323.9 | 6.3/10.0/11.0/12.5/17.5/25.0/36.0/50.0 | 381 | 346 |
| 20″x10″ | 500×250 | 508×273.0 | 6.3/10.0/11.0/12.5/17.5/25.0/36.0/50.0 | 381 | 333 |
| 20″x8″ | 500×200 | 508×219.1 | 6.3/10.0/11.0/12.5/17.5125.0/36.0/50.0 | 381 | 298 |
| 24″x 20″ | 600×500 | 610×508 | 6.3/10.0/12.5/17.5/25.0/30.0145.0/60.0 | 432 | 432 |
| 24″x18″ | 600×450 | 610×457 | 6.3/10.0/12.5/17.5/25.0/30.0/45.0/60.0 | 432 | 368 |
| 24″x16″ | 600×400 | 610×406.4 | 6.3/10.0/12.5/17.5/25.0/30.0/45.0/60.0 | 432 | 406 |
| 24″x14″ | 600×350 | 610×355.6 | 6.3/10.0/12.5/17.5/25.0/30.0145.0/60.0 | 432 | 330 |
| 24″x12″ | 600×300 | 610×323.9 | 6.3/10.0/12.5/17.5/25.0/30.0/45.0/60.0 | 432 | 397 |
| 24″x10″ | 600×250 | 610×273.0 | 6.3/10.0/12.5/17.5/25.0/30.0/45.0/60.0 | 432 | 384 |
Note:
- The thickness of above form refers to large end OD, and thickness of small end OD is different.
- For size DN 150, it is also available with 165.1 mm as per EN 10255.
application
- Used for variable diameter connections between main pipes and branch pipes in piping systems to achieve differentiated flow/pressure distribution, such as high-flow main pipe delivery and low-flow branch pipe diversion scenarios.
- Suitable for space-constrained variable diameter nodes, commonly found in pump valve interfaces, equipment inlets and outlets, and high-pressure systems such as pipe network branch renovations.
- It is irreplaceable in situations where a compact variable diameter solution is required and flange connections need to be avoided.
advantages
- Engineering Adaptability: Offers dozens of main pipe-branch pipe combinations (3/4“×1/2” to 24“×10”), precisely matching system size transition requirements.
- High-Pressure System Specialization: Compact integrated structure + fully welded joints, with pressure-bearing capacity equivalent to straight pipes, eliminating the risk of flange connection leaks.
- Dual-Effect Energy-Saving Design: Structural Energy Savings: Eliminates flange bolt assemblies, reducing system weight by 30%;Fluid Energy Efficiency: Optimized transition curves reduce turbulence energy loss.
- Zero-Maintenance Sealing: Integrated forged forming combined with precision beveled edges achieve permanent metal sealing, with a maintenance-free lifespan exceeding 20 years.
- Corrosion Defense Matrix: Carbon Steel: Hot-dip galvanized (≥85μm) or epoxy black paint (dual coating)Stainless steel: Electrolytic polishing or acid washing and passivation, Ra ≤ 0.8 μm
- Installation Revolution:Single-piece butt welding replaces flange assemblies + reducers + tees, saving 60% installation time.
packing
- Intelligent Graded Protection:
- ≤6″: High-strength corrugated box + EPS molded inner lining
- 6″: Steel-reinforced wooden box + customized foam alloy bracket
- Differentiated Port Protection:
- Main pipe end: Metal blind plate + cushioning rubber ring
- Branch pipe end: Engineering plastic screw cap + silicone seal
- Anti-corrosion technology:
- Carbon steel components: VCI + anti-corrosion oil dual protection, withstands 120 days of sea transport
- Stainless steel components: Nitrogen-filled sealed bags
- Streamlined traceability system:
- Laser-etched three-code integrated identification (model/material/batch number), scan to access comprehensive data.
Available size
| Size(DXD1) | Preferred T to EN 10253-2 (Large end,mm) | F(mm) | G(mm) | ||
| NPS | DN | OD(mm) | |||
| 3/4″x1/2″ | 20×15 | 26.9×21.3 | 2.3/2.6/3.214.0/4.5/5.6/8.0 | 29 | 29 |
| 1″x3/4″ | 25x 20 | 33.7×26.9 | 2.6/3.214.0/4.5/5.6/6.3/8.8 | 38 | 38 |
| 1″x1/2″ | 25x 15 | 33.7×21.3 | 2.6/3.214.0/4.5/5.6/6.3/8.8 | 38 | 38 |
| 1-1/4″x1″ | 32×25 | 42.4×33.7 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 48 | 48 |
| 1-1/4″x 3/4″ | 32×20 | 42.4×26.9 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 48 | 48 |
| 1-1/4″x1/2″ | 32x 15 | 42.4×21.3 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 48 | 48 |
| 1-1/2″x1-1/4″ | 40x 32 | 48.3×42.4 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 57 | 57 |
| 1-1/2″x1″ | 40×25 | 48.3×33.7 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 57 | 57 |
| 1-1/2″x3/4″ | 40×20 | 48.3×26.9 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 57 | 57 |
| 1-1/2″x1/2″ | 40×15 | 48.3×21.3 | 2.6/3.6/4.0/5.0/6.3/8.0/10.0 | 57 | 57 |
| 2″x 1-1/2″ | 50×40 | 60.3×48.3 | 2.9/3.6/4.0/5.617.1/8.8/11.0 | 64 | 60 |
| 2″x1-1/4″ | 50x 32 | 60.3×42.4 | 2.9/3.6/4.0/5.6/7.1/8.8/11.0 | 64 | 57 |
| 2″x1″ | 50×25 | 60.3×33.7 | 2.9/3.614.0/5.6/7.1/8.8/11.0 | 64 | 51 |
| 2″x3/4″ | 50×20 | 60.3×26.9 | 2.9/3.614.0/5.6/7.1/8.8/11.0 | 64 | 44 |
| 2″x1/2″ | 50x 15 | 60.3×21.3 | 2.9/3.614.0/5.6/7.1/8.8/11.0 | 64 | 38 |
| 2-1/2″x2″ | 65×50 | 76.1×60.3 | 2.9/3.6/5.61/7.1/8.0/10.0/14.2 | 76 | 70 |
| 2-1/2″x1-1/2″ | 65×40 | 76.1×48.3 | 2.9/3.6/5.6/7.1/8.0/10.0/14.2 | 76 | 67 |
| 2-1/2″x1-1/4″ | 65×32 | 76.1×42.4 | 2.9/3.6/5.6/7.1/8.0/10.0/14.2 | 76 | 64 |
| 2-1/2″x1″ | 65×25 | 76.1×33.7 | 2.9/3.6/5.6/7.1/8.0/10.0/14.2 | 76 | 57 |
| 2-1/2″x3/4″ | 65×20 | 76.1×26.9 | 2.9/3.6/5.6/7.1/8.0/10.0/14.2 | 76 | 51 |
| 3″x2-1/2″ | 80×65 | 88.9×76.1 | 3.214.015.6/8.0/8.8/11.0/16.0 | 86 | 83 |
| 3″x2″ | 80×50 | 88.9×60.3 | 3.214.015.6/8.0/8.8/11.0/16.0 | 86 | 76 |
| 3″x1-1/2″ | 80×40 | 88.9×48.3 | 3.214.0/5.6/8.0/8.8/11.0/16.0 | 86 | 73 |
| 3″x1-1/4″ | 80×32 | 88.9×42.4 | 3.214.015.6/8.0/8.8/11.0/16.0 | 86 | 70 |
| 3″x1″ | 80×25 | 88.9×33.7 | 3.214.0/5.6/8.0/8.8/11.0/16.0 | 86 | 67 |
| 4″x3″ | 100×80 | 114.3×88.9 | 3.6/4.5/6.3/8.8/11.0/14.2/17.5 | 105 | 98 |
| 4″x2-1/2″ | 100×65 | 114.3×76.1 | 3.6/4.5/6.3/8.8/11.0/14.2/17.5 | 105 | 95 |
| 4″x2″ | 100×50 | 114.3×60.3 | 3.6/4.5/6.3/8.8/11.0/14.2/17.5 | 105 | 89 |
| 4″x 1-1/2″ | 100×40 | 114.3×48.3 | 3.614.5/6.3/8.8/11.0/14.2/17.5 | 105 | 86 |
| 4″x1-1/4″ | 100×32 | 114.3×42.2 | 3.614.5/6.3/8.8/11.0/14.2/17.5 | 105 | 70 |
| 4″x1″ | 100×25 | 114.3×33.7 | 3.614.5/6.3/8.8/11.0/14.2/17.5 | 105 | 67 |
| 5″x4″ | 125×100 | 139.7×114.3 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 117 |
| 5″x3″ | 125×80 | 139.7×88.9 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 111 |
| 5″x2-1/2″ | 125×65 | 139.7×76.1 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 108 |
| 5″x2″ | 125×50 | 139.7×60.3 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 105 |
| 5″x 1-1/2″ | 125×40 | 139.7×48.3 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 99 |
| 5″x1-1/4″ | 125×32 | 139.7×42.2 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 80 |
| 5″x1″ | 125×25 | 139.7×33.4 | 4.0/5.0/6.3/10.0/12.5/16.0/20.0 | 124 | 75 |
| 6″x5″ | 150×125 | 168.3×139.7 | 4.014.5/5.6/7.1/11.0/14.2/17.5/22.2 | 143 | 137 |
| 6″x4″ | 150×100 | 168.3×114.3 | 4.014.5/5.6/7.1/11.0/14.2/17.5/22.2 | 143 | 130 |
| 6″x3″ | 150×80 | 168.3×88.9 | 4.014.5/5.617.1/11.0/14.2/17.5/22.2 | 143 | 124 |
| 6″x2-1/2″ | 150×65 | 168.3×76.1 | 4.014.5/5.6/7.1/11.0/14.2/17.5/22.2 | 143 | 121 |
| 6″x2″ | 150×50 | 168.3×60.3 | 4.014.5/5.617.1/11.0/14.2/17.5/22.2 | 143 | 117 |
| 6″x1-1/2″ | 150×40 | 168.3×48.3 | 4.014.515.617.1/11.0/14.2/17.5122.2 | 143 | 109 |
| 6″x1-1/4″ | 150×32 | 168.3×42.2 | 4.014.5/5.617.1/11.0/14.2/17.5/22.2 | 143 | 87 |
| 6″x1″ | 150×25 | 168.3xx33.4 | 4.014.5/5.617.1/11.0/14.2/17.5/22.2 | 143 | 73 |
| 8″x6″ | 200×150 | 219.1×168.3 | 4.5/6.3/7.1/8.0/12.5/16.0/17.5/22.2 | 178 | 168 |
| 8″x5″ | 200×125 | 219.1×139.7 | 4.5/6.317.1/8.0/12.5/16.0/17.5/22.2 | 178 | 162 |
| 8″x4″ | 200×100 | 219.1×114.3 | 4.5/6.317.1/8.0/12.5/16.0/17.5/22.2 | 178 | 156 |
| 8″x3″ | 200×80 | 219.1×88.9 | 4.5/6.317.1/8.0/12.5/16.0/17.5/22.2 | 178 | 152 |
| 8″x2-1/2″ | 200×65 | 219.1×76.1 | 4.5/6.317.1/8.0/12.5/16.0/17.5/22.2 | 178 | 121 |
| 10″x8″ | 250×200 | 273.0×219.1 | 5.0/6.3/8.8/10.0/12.5/16.0/22.2/30.0 | 216 | 203 |
| 10″x6″ | 250×150 | 273.0×168.3 | 5.0/6.3/8.8/10.0/12.5/16.0/22.2/30.0 | 216 | 194 |
| 10″x5″ | 250×125 | 273.0×139.7 | 5.0/6.3/8.8/10.0/12.5/16.0/22.2/30.0 | 216 | 191 |
| 10″x4″ | 250×100 | 273.0×114.3 | 5.0/6.3/8.8/10.0/12.5/16.0/22.2/30.0 | 216 | 184 |
| 10″x3″ | 250×80 | 273.0×88.9 | 5.0/6.3/8.8/10.0/12.5/16.0/22.2/30.0 | 216 | 175 |
| 10″x2-1/2″ | 250×65 | 273.0×73.0 | 5.0/6.3/8.8/10.0/12.5/16.0/22.2/30.0 | 216 | 168 |
| 12″x10″ | 300×250 | 323.9×273.0 | 5.6/7.1/8.8/10.0/12.5/17.5/25.0/32.0 | 254 | 241 |
| 12″x8″ | 300×200 | 323.9×219.1 | 5.6/7.1/8.8/10.0/12.5/17.5/25.0/32.0 | 254 | 229 |
| 12″x6″ | 300×150 | 323.9×168.3 | 5.6/7.1/8.8/10.0/12.5/17.5125.0/32.0 | 254 | 219 |
| 12″x5″ | 300×125 | 323.9×139.7 | 5.6/7.1/8.8/10.0/12.5/17.5/25.0/32.0 | 254 | 191 |
| 12″x4″ | 300×100 | 323.8×114.3 | 5.6/7.1/8.8/10.0/12.5/17.5/25.0/32.0 | 254 | 209 |
| 12″x3″ | 300×80 | 323.8×88.9 | 5.6/7.1/8.8/10.0/12.5/17.5125.0/32.0 | 254 | 203 |
| 12″x2-1/2″ | 300×65 | 323.8×73.0 | 5.6/7.1/8.8/10.0/12.5/17.5/25.0/32.0 | 254 | 195 |
| 14″x12″ | 350×300 | 355.6×323.9 | 5.6/8.0/10.0/12.5/16.0/20.0/28.0/36.0 | 279 | 270 |
| 14″x10″ | 350×250 | 355.6×273.0 | 5.6/8.0/10.0/12.5/16.0/20.0/28.0/36.0 | 279 | 257 |
| 14″x8″ | 350×200 | 355.6×219.1 | 5.6/8.0/10.0/12.5/16.0/20.0/28.0/36.0 | 279 | 248 |
| 14″x6″ | 350×150 | 355.6×168.3 | 5.6/8.0/10.0/12.5/16.0/20.0/28.0/36.0 | 279 | 238 |
| 16″x14″ | 400×350 | 406.4×355.6 | 6.3/8.8/10.0/12.5/17.5/22.2/30.0/40.0 | 305 | 305 |
| 16″x12″ | 400×300 | 406.4×323.9 | 6.3/8.8/10.0/12.5/17.5/22.2/30.0/40.0 | 305 | 295 |
| 16″x10″ | 400×250 | 406.4×273.0 | 6.3/8.8/10.0/12.5/17.5/22.2/30.0/40.0 | 305 | 283 |
| 16″x8″ | 400×200 | 406.4×219.1 | 6.3/8.8/10.0/12.5/17.5/22.2/30.0/40.0 | 305 | 273 |
| 16″x6″ | 400×150 | 406.4×168.3 | 6.3/8.8/10.0/12.5/17.5/22.2/30.0/40.0 | 305 | 264 |
| 18″x16″ | 450×400 | 457×406.4 | 6.3/10.0/11.0/12.5/17.5/22.2/32.0/45.0 | 343 | 330 |
| 18″x14″ | 450×350 | 457x 355.6 | 6.3/10.0/11.0/12.5/17.5/22.2/32.0/45.0 | 343 | 330 |
| 18″x12″ | 450×300 | 457×323.9 | 6.3/10.0/11.0/12.5/17.5/22.2/32.0/45.0 | 343 | 321 |
| 18″x10″ | 450×250 | 457×273.0 | 6.3/10.0/11.0/12.5/17.5/22.2/32.0/45.0 | 343 | 308 |
| 18″x8″ | 450×200 | 457×219.1 | 6.3/10.0/11.0/12.5/17.5/22.2/32.0/45.0 | 343 | 298 |
| 20″x18″ | 500×450 | 508×457 | 6.3/10.0/11.0/12.5/17.5/25.0/36.0/50.0 | 381 | 368 |
| 20″x16″ | 500×400 | 508×406.4 | 6.3/10.0/11.0/12.5/17.5/25.0/36.0/50.0 | 381 | 356 |
| 20″x14″ | 500×350 | 508×355.6 | 6.3/10.0/11.0/12.5/17.5/25.0/36.0/50.0 | 381 | 330 |
| 20″x12″ | 500×300 | 508×323.9 | 6.3/10.0/11.0/12.5/17.5/25.0/36.0/50.0 | 381 | 346 |
| 20″x10″ | 500×250 | 508×273.0 | 6.3/10.0/11.0/12.5/17.5/25.0/36.0/50.0 | 381 | 333 |
| 20″x8″ | 500×200 | 508×219.1 | 6.3/10.0/11.0/12.5/17.5125.0/36.0/50.0 | 381 | 298 |
| 24″x 20″ | 600×500 | 610×508 | 6.3/10.0/12.5/17.5/25.0/30.0145.0/60.0 | 432 | 432 |
| 24″x18″ | 600×450 | 610×457 | 6.3/10.0/12.5/17.5/25.0/30.0/45.0/60.0 | 432 | 368 |
| 24″x16″ | 600×400 | 610×406.4 | 6.3/10.0/12.5/17.5/25.0/30.0/45.0/60.0 | 432 | 406 |
| 24″x14″ | 600×350 | 610×355.6 | 6.3/10.0/12.5/17.5/25.0/30.0145.0/60.0 | 432 | 330 |
| 24″x12″ | 600×300 | 610×323.9 | 6.3/10.0/12.5/17.5/25.0/30.0/45.0/60.0 | 432 | 397 |
| 24″x10″ | 600×250 | 610×273.0 | 6.3/10.0/12.5/17.5/25.0/30.0/45.0/60.0 | 432 | 384 |
Note:
- The thickness of above form refers to large end OD, and thickness of small end OD is different.
- For size DN 150, it is also available with 165.1 mm as per EN 10255.
- Used for variable diameter connections between main pipes and branch pipes in piping systems to achieve differentiated flow/pressure distribution, such as high-flow main pipe delivery and low-flow branch pipe diversion scenarios.
- Suitable for space-constrained variable diameter nodes, commonly found in pump valve interfaces, equipment inlets and outlets, and high-pressure systems such as pipe network branch renovations.
- It is irreplaceable in situations where a compact variable diameter solution is required and flange connections need to be avoided.
- Engineering Adaptability: Offers dozens of main pipe-branch pipe combinations (3/4“×1/2” to 24“×10”), precisely matching system size transition requirements.
- High-Pressure System Specialization: Compact integrated structure + fully welded joints, with pressure-bearing capacity equivalent to straight pipes, eliminating the risk of flange connection leaks.
- Dual-Effect Energy-Saving Design: Structural Energy Savings: Eliminates flange bolt assemblies, reducing system weight by 30%;Fluid Energy Efficiency: Optimized transition curves reduce turbulence energy loss.
- Zero-Maintenance Sealing: Integrated forged forming combined with precision beveled edges achieve permanent metal sealing, with a maintenance-free lifespan exceeding 20 years.
- Corrosion Defense Matrix: Carbon Steel: Hot-dip galvanized (≥85μm) or epoxy black paint (dual coating)Stainless steel: Electrolytic polishing or acid washing and passivation, Ra ≤ 0.8 μm
- Installation Revolution:Single-piece butt welding replaces flange assemblies + reducers + tees, saving 60% installation time.
- Intelligent Graded Protection:
- ≤6″: High-strength corrugated box + EPS molded inner lining
- 6″: Steel-reinforced wooden box + customized foam alloy bracket
- Differentiated Port Protection:
- Main pipe end: Metal blind plate + cushioning rubber ring
- Branch pipe end: Engineering plastic screw cap + silicone seal
- Anti-corrosion technology:
- Carbon steel components: VCI + anti-corrosion oil dual protection, withstands 120 days of sea transport
- Stainless steel components: Nitrogen-filled sealed bags
- Streamlined traceability system:
- Laser-etched three-code integrated identification (model/material/batch number), scan to access comprehensive data.
