A StainlessSteelButtWeldReducingTee is a type of pipe fitting used in industrial applications to connect three pipes of different sizes. This tee fitting has a tapered outlet that is smaller in diameter than the main supply line, allowing for flow rate adjustment and distribution of fluids to multiple directions. Made of high-quality stainless steel material, this fitting exhibits excellent corrosion resistance, durability, and strength, making it ideal for use in harsh, corrosive environments such as chemical and petrochemical plants, oil and gas refineries, power generation, and water treatment. The butt-weld design ensures a secure and tight fit, preventing leakage and ensuring maximum efficiency.
BUTTWELD REDUCING TEE SPECIFICATIONS
| Tailles | Seamless Pipe Reducing Tee ( 1/2″~24″), ERW / Welded / Fabricated Pipe Reducing Tee (1/2″~48″) |
| normes | ANSI/ASME :ASTM A403 / ASME SA403, ANSI B16.9, ASME B16.25, ASME B16.28, MSS SP-43. DIN : DIN2605, DIN2615, DIN2616, DIN2617, DIN28011 EN : EN10253-1, EN10253-2 |
| Dimensions | ASME/ANSI B16.9, MSS-SP-43 type A, MSS-SP-43 type B, JIS B2312, JIS B2313, ASME B16.28 |
| Épaisseur | Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS et etc. |
| Rayon de courbure | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom Pipe Fittings |
| Depuis | Unequal Tee, Reducing Tee, Pipe Tee, Butt weld Unequal Tee. |
| Notes etMatériels | 304/L/H/LN, 316/L/H/LN/Ti, 321/H, 317/L/LN, 347/H, 310S/H, N08904 (904L), S31803, S32205, S32750, S32760, N02200, N02201, N04400, N06600, N06690, N06625, N06985(G3), N08028, N08800, N08810, N08811, N08825Surface, Monel, nickel, Inconel, Hastalloy, titane, tantale, acier inoxydable, acier allié, acier au carbone, cupronickel 90/10 et 70/30, Acier inoxydable ASME / ASTM SA / A403 SA / A 774 WP-S, WP-W, WP-WX, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404 |
| Type | Butt Weld (BW) / Seamless / Welded / ERW / Fabricated |
| Revêtement / Traitement de surface | Peinture antirouille, peinture noire à l'huile, jaune transparent, zingué, galvanisé à chaud et à froid |
Buttweld Reducing Tee Materials and Grades
| tainless Steel Unequal / Reducing Tee | ASTM A403 WP316/316L, ASTM A403 SA/A 774 WP-S, WP-W, WP-WX 304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404 |
| Duplex & Super Duplex Steel Unequal / Reducing Tee | ASTM A 815, ASME SA 815 UNS NO S31803, S32205. UNS S32750, S32950. Bureau d'usine n° 1.4462 |
| Carbon Steel Unequal / Reducing Tee | ASTM A234, ASME SA234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70. |
| Low Temperature Carbon Steel Unequal / Reducing Tee | ASTM A420 WPL3, A420 WPL6 |
| Alloy Steel Unequal / Reducing Tee | ASTM/ASME A/SA 234 Gr. GT 1, GT 5, GT 9, GT 11, GT 12, GT 22, GT 91 |
| Nickel Alloy Unequal / Reducing Tee | ASTM B336, ASME SB336, Nickel 200 (UNS n° 2200), Nickel 201 (UNS n° N02201), Monel 400 (UNS n° N04400), Monel 500 (UNS n° N05500), Inconel 800 (UNS n° N08800), Inconel 825 (UNS n° N08825), Inconel 600 (UNS n° N06600), Inconel 625 (UNS n° N06625), Inconel 601 (UNS n° N06601), Hastelloy C 276 (UNS n° N10276), Alliage 20 (UNS n° N08020), Titane (Grade I et II), Cupro-nickel 70/30, CuNi10Fe1Mn CuNi30Mn1Fe. |
Buttweld Reducing Tee Manufacturing Standards
| Norme ASME | ASME/ANSI B16.9, ASME/ANSI B16.28, MSS-SP-43 |
| Norme DIN | DIN28011, DIN2617, DIN2616, DIN2615, DIN2605 |
| Norme EN | EN10253-2, EN10253-1 |
| ASME B16.25 | Embouts à souder bout à bout |
| ASME B16.9 | Raccords en fer forgé fabriqués en usine, soudés bout à bout |
| ASME B16.28 | Wrought Steel Reducing Tees and Buttwelding Returns |
| ASTM A403 – ASME SA403 | Standard Specification for Wrought Austenitic SS Piping Fitting |
| MSS SP-43 | Raccords soudés bout à bout, forgés et usinés, destinés à des applications à basse pression et résistants à la corrosion |
DIMENSIONS OF BUTTWELD REDUCING TEE – ANSI 16.9
| Nominal Pipe Size | Outside diameter at bevel | Du centre à la fin | |||
| Run | Outlet | Run | Outlet | Run (C) | Outlet (M) |
| 1/2″ | 1/4″ 3/8″ | 21.3 | 13.7 17.3 | 25 | 25 |
| 3/4″ | 3/8″ 1/2″ | 26.7 | 17.3 21.3 | 29 | 29 |
| 1inch | 1/2″ 3/4″ | 33.4 | 21.3 26.7 | 38 | 38 |
| 1 1/4inch | 1/2″ 3/4″ 1″ | 42.2 | 21.3 26.7 33.4 | 48 | 48 |
| 1 1/2inch | 1/2″ 3/4″ 1″ 1 1/4″ | 48.3 | 21.3 26.7 33.4 42.2 | 57 | 57 |
| 2″ | 3/4″ 1″ 1 1/4″ 1 1/2″ | 60.3 | 26.7 33.4 42.2 48.3 | 64 | 44 51 57 60 |
| 2 1/2″ | 1″ 1 1/4″ 1 1/2″ 2″ | 73.0 | 33.4 42.2 48.3 60.3 | 76 | 57 64 67 70 |
| 3″ | 1 1/4″ 1 1/2″ 2″ 2 1/2″ | 88.9 | 42.2 48.3 60.3 73.0 | 86 | 70 73 76 83 |
| 3 1/2″ | 1 1/2″ 2″ 2 1/2″ 3″ | 101.6 | 48.3 60.3 73.0 88.9 | 95 | 79 83 89 92 |
| 4″ | 1 1/2″ 2″ 2 1/2″ 3″ 3 1/2″ | 114.3 | 48.3 60.3 73.0 88.9 101.6 | 105 | 86 89 95 98 102 |
| 5″ | 2″ 2 1/2″ 3″ 3 1/2″ 4″ | 141.3 | 60.3 73.0 88.9 101.6 114.3 | 124 | 105 108 111 114 117 |
| 6″ | 2 1/2″ 3″ 3 1/2″ 4″ 5 | 168.3 | 73.0 88.9 101.6 114.3 141.3 | 143 | 121 124 127 130 137 |
| 8″ | 3 1/2″ 4″ 5″ 6″ | 219.1 | 101.6 114.3 141.3 168.3 | 178 | 152 156 162 168 |
| 10″ | 4″ 5″ 6″ 8″ | 273.0 | 114.3 141.3 168.3 219.1 | 216 | 184 191 194 203 |
| 12″ | 5″ 6″ 8″ 10″ | 323.8 | 141.3 168.3 219.1 273.0 | 254 | 216 219 229 241 |
| 14″ | 6″ 8″ 10″ 12″ | 355.6 | 168.3 219.1 273.0 323.8 | 279 | 238 248 257 270 |
| 16″ | 6″ 8″ 10″ 12″ 14″ | 406.4 | 168.3 219.1 273.0 323.8 355.6 | 305 | 264 273 283 295 305 |
| 18″ | 8″ 10″ 12″ 14″ 16″ | 457.0 | 219.1 273.0 323.8 355.6 406.4 | 343 | 298 308 321 330 330 |
| 20″ | 8″ 10″ 12″ 14″ 16″ 18″ | 508.0 | 219.1 273.0 323.8 355.6 406.4 457.0 | 381 | 324 333 346 356 356 368 |
| 22″ | 10″ 12″ 14″ 16″ 18″ 20″ | 559.0 | 273.0 323.8 355.6 406.4 457.0 508.0 | 419 | 359 371 381 381 394 406 |
| 24″ | 10″ 12″ 14″ 16″ 18″ 20″ 22″ | 610.0 | 273.0 323.8 355.6 406.4 457.0 508.0 559.0 | 432 | 384 397 406 406 419 432 432 |
ASME B16.9 Buttweld Reducing Tee Weight Chart
| DN | NPS | MST | 40 | XS | 80 | 160 | XXS |
| 40 | 1 1/2 | 0.9 | 0.9 | 1.3 | 1.3 | 1.5 | 1.3 |
| 50 | 2 | 1.5 | 1.5 | 2.2 | 2.2 | 2.7 | 3.4 |
| 65 | 2 1/2 | 2.7 | 2.7 | 3.0 | 3.0 | 3.1 | 3.8 |
| 80 | 3 | 3.8 | 3.8 | 4.4 | 4.4 | 5.6 | 6.1 |
| 90 | 3 1/2 | 4.6 | 4.6 | 5.9 | 5.9 | ||
| 100 | 4 | 6.5 | 6.5 | 7.7 | 7.7 | 10.2 | 12.9 |
| 15 | 1/2 | 0.21 | 0.2 | 0.2 | 0.2 | ||
| 20 | 3/4 | 0.2 | 0.2 | 0.3 | 0.3 | ||
| 25 | 1 | 0.3 | 0.3 | 0.5 | 0.5 | ||
| 32 | 1 1/4 | 0.6 | 0.6 | 0.7 | 0.7 | ||
| 125 | 5 | 9.7 | 9.7 | 13.5 | 13.5 | 19.8 | 25.7 |
| 150 | 6 | 14 | 14 | 19.3 | 19.3 | 34 | 30.6 |
| 200 | 8 | 24.5 | 24.5 | 34.5 | 34.5 | 50 | 47.7 |
| 250 | 10 | 41.3 | 41.3 | 58.4 | 67.5 | 111.2 | 84.7 |
| 300 | 12 | 65 | 69 | 76.5 | 105 | 158 | 129 |
| 350 | 14 | 83 | 96 | 104 | 142 | 232 | |
| 400 | 16 | 110 | 120 | 120 | 187 | 335 | |
| 450 | 18 | 132 | 170 | 159 | 263 | 564 | |
| 500 | 20 | 168 | 240 | 192 | 356 | 756 | |
| 550 | 22 | 185 | 209 | 416 | 1002 | ||
| 600 | 24 | 222 | 345 | 251 | 548 | 1215 |
ASME B16.9 Reducing Tee Dimensional Tolerance
| Nominal Pipe Size | 1/2 to 2.1/2 | 3 to 3.1/2 | 4 | 5 à 8 | 10 à 18 ans | 20 à 24 ans | 26 à 30 | 32 à 48 |
| Inside Dia at End | 0.8 | 1.6 | 1.6 | 1.6 | 3.2 | 4.8 | +6.4 -4.8 | +6.4 -4.8 |
| Outside Dia at Bevel (D) | +1.6 -0.8 | 1.6 | 1.6 | +2.4 -1.6 | +4 -3.2 | +6.4 -4.8 | +6.4 -4.8 | +6.4 -4.8 |
| Center to End (C / M) | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 |
| Wall Thk (t) | Not less than 87.5% of Nominal Wall Thickness | |||||||
ASME B16.9 Reducing Tee Angularity Tolerance
| ND | Angle maximal | Max hors de l'avion |
| Q | P | |
| 1/2 à 4 | 1 | 2 |
| 5 à 8 | 2 | 4 |
| 10 à 12 | 3 | 5 |
| 14 à 16 ans | 3 | 7 |
| 18 à 24 ans | 4 | 10 |
| 26 à 30 | 5 | 10 |
| 32 à 42 | 5 | 13 |
| 44 à 48 | 5 | 20 |
AVAILABLE TYPES OF BUTTWELD REDUCING TEE
| Buttweld Unequal Tee | ASME B16.28 Buttweld Reducing Pipe Tees |
| Hastelloy Pipe Reducing Tees | Titanium Buttweld Reducing Tee |
| High Nickel Alloy Unequal Tee | Inconel Butt weld Reducing Tee |
| ANSI B16.9 Buttweld Reducing Tee | ASME B16.9 Butt weld Unequal Tee |
| Steel Reducing Tee Pipe Fittings | Butt Weld Reducing Tee |
| Stainless Steel Unequal Tee | SS Unequal Tees |
| Welded Butt weld Unequal Tee | Seamless Butt weld Unequal Tee |
| Carbon Steel Reducing Tee | High Quality Unequal Tee |
| Copper Nickel Unequal Tee | Duplex Steel Buttweld Reducing Tee |
| Super Duplex Steel Buttweld Reducing Tee | ASTM A403 Stainless Steel Unequal Tees |
Reducing Tee Buttweld Fittings – Industries & Applications
Our Reducing Tee Buttweld Fittings is used in various applications and industries. Below are a few of them:
- Oil & Gas Industries
- Gas Processing Industries
- Food Processing Industries
- Petrochemical Industries
- Chemical Industries
- Power Generation Industries
- Sugar Industries
- Fertilizers Industries
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