Buttweld Reducing Tee
- Seamless reducing tee fitting for butt welding
- Butt weld tee dimensions range from 1/2”, 1”, 1 1/2”, 2′, 3”, 4”, 6”, 8”, 10”, 12”, 14”, 16”, 24”, and up to 48” (From DN 15 to DN 1200).
- Thickness class ranges from SCH 10, SCH 20, SCH 40, SCH STD, SCH 80, SCH XS to SCH 160.
Production Description
Steel Reducing Tee / Reducer tee pipe fittings: The branch diameter is smaller than the main line diameter. Tee reducer is usually described as NPS diameters in 4” x 4” x 3”, 4” is the main line pipe diameter, and 3” is the reducing branch.
Reducing tee is used more than the equal tee since it has more functions and is available for more environments.
Butt weld reducing tee (BW Tee)
Ends in plain or beveled, connected by butt welding process. It could bear higher pressure than the other connection types. Butt weld tee dimensions shall be specified in pipe NPS (DN) and thickness in schedule.

Available in Multiple Standards
Carbon steel buttweld tee material: ASTM A234 WPB, WPC; MSS SP-75 WPHY-42, WPHY-46, WPHY-52, WPHY-56, 60, 65 and 70.
Alloy steel buttweld tee material: ASTM A234 WP1, WP5, WP9, WP11, WP22, WP91
Stainless steel buttweld tee material: ASTM A403, ASTM A270,ASTM A182,DIN1.4306、DIN 1.4401、DIN 1.4404
Applications of carbon steel buttweld reducing tee:
• Oil and gas transmissions
• Petroleum and Oil refining
• Water treatment systems
• Chemical Industries
• Sanitary tubing
• Power stations
• Machines and equipment
• Heat exchanger
REDUCING TEES, BUTT WELD FITTINGS ASTM A403 / A815 ASME B16.9

| Nom pipe size, in. | Sch* | Dimensions in mm | Weight | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Run | Outlet | D | D1 | t | t1 | C | M | kg/pce | |
3/4 | 1/2 | 10s 40s 80s | 26.7 26.7 26.7 | 21.3 21.3 21.3 | 2.11 2.87 3.91 | 2.11 2.77 3.73 | 29 29 29 | 29 29 29 | 0.110 0.150 0.190 |
| 1 | 1/2 | 10s 40s 80s | 33.4 33.4 33.4 | 21.3 21.3 21.3 | 2.77 3.38 4.55 | 2.11 2.77 3.73 | 38 38 38 | 38 38 38 | 0.190 0.220 0.281 |
| 1 | 3/4 | 10s 40s 80s | 33.4 33.4 33.4 | 26.7 26.7 26.7 | 2.77 3.38 4.55 | 2.11 2.87 3.91 | 38 38 38 | 38 38 38 | 0.190 0.230 0.270 |
1¼ | 1/2 | 40s | 42.2 | 21.3 | 3.56 | 2.77 | 47.6 | 47.6 | 0.367 |
1¼ | 3/4 | 10s 40s | 42.2 42.2 | 26.7 26.7 | 2.77 3.56 | 2.11 2.87 | 47.6 47.6 | 47.6 47.6 | 0.440 0.530 |
1¼ | 1 | 10s 40s 80s | 42.2 42.2 42.2 | 33.4 33.4 33.4 | 2.77 3.56 4.85 | 2.77 3.38 4.55 | 47.6 47.6 47.6 | 47.6 47.6 47.6 | 0.450 0.530 0.600 |
1½ | 1/2 | 10s 40s | 48.3 48.3 | 21.3 21.3 | 2.77 3.68 | 2.11 2.77 | 57 57 | 57 57 | 0.390 0.520 |
1½ | 3/4 | 10s 40s 80s | 48.3 48.3 48.3 | 26.7 26.7 26.7 | 2.77 3.68 5.08 | 2.11 2.87 3.91 | 57 57 57 | 57 57 57 | 0.390 0.520 0.690 |
1½ | 1 | 10s 40s 80s | 48.3 48.3 48.3 | 33.4 33.4 33.4 | 2.77 3.68 5.08 | 2.77 3.38 4.55 | 57 57 57 | 57 57 57 | 0.420 0.550 0.724 |
| 2 | 3/4 | 10s 40s 80s | 60.3 60.3 60.3 | 26.7 26.7 26.7 | 2.77 3.91 5.54 | 2.11 2.87 3.91 | 64 64 64 | 44 44 44 | 0.510 0.710 0.990 |
| 2 | 1 | 10s 40s 80s | 60.3 60.3 60.3 | 33.4 33.4 33.4 | 2.77 3.91 5.54 | 2.77 3.38 4.55 | 64 64 64 | 51 51 51 | 0.540 0.740 1.020 |
| 2 | 1¼ | 10s 40s 80s | 60.3 60.3 60.3 | 42.2 42.2 42.2 | 2.77 3.91 5.54 | 2.77 3.56 4.85 | 64 64 64 | 57 57 57 | 0.571 0.804 1.07 |
| 2 | 1½ | 10s 40s | 60.3 60.3 | 48.3 48.3 | 2.77 3.91 | 2.77 3.68 | 64 64 | 60 60 | 0.590 0.830 |
2½ | 1¼ | 10s | 73.0 | 42.2 | 3.05 | 2.77 | 76 | 67 | 0.874 |
More details, please contact us now.
Rayoung–A leading Butt Weld pipe fittings, carbon steel Butt Weld Reducer, butt weld elbow, butt weld tee, butt weld pipe elbow, butt weld cap & butt weld reducer manufacturer, exporter & wholesaler in China.
Why Choose Our Buttweld Equal Tee?
1. Strict Quality Control
2. Competitive Factory Pricing
3. Fast Delivery & Large Inventory
4. Customization Support
Ordering Information
When requesting a quote, please include:
Size (e.g., 6″, DN150)
Material (carbon steel, stainless steel, alloy)
Wall thickness (SCH40, SCH80, etc.)
Standard (ASME B16.9, EN10253…)
We usually respond within 1 hours with full pricing and delivery details.
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Rayoung–A leading Butt Weld pipe fittings, flanges and steel pipes supplier& factory in China.
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