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
| Groottes | Seamless Pipe Reducing Tee ( 1/2″~24″), ERW / Welded / Fabricated Pipe Reducing Tee (1/2″~48″) |
| Standaarde | 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 |
| Afmetings | ASME/ANSI B16.9, MSS-SP-43 Tipe A, MSS-SP-43 Tipe B, JIS B2312, JIS B2313, ASME B16.28 |
| Dikheid | Bylae 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS en ens. |
| Buigradius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom Pipe Fittings |
| Van | Unequal Tee, Reducing Tee, Pipe Tee, Butt weld Unequal Tee. |
| Grade&Materiaal | 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, N08825 Oppervlak, Monel, Nikkel, Inconel, Hastalloy, Titanium, Tantaal, Vlekvrye Staal, Legeringstaal, Koolstofstaal, Cupro-Nikkel 90/10 & 70/30, Vlekvrye Staal ASME / ASTM SA / A403 SA / A 774 WP-S, WP-W, WP-WX, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404 |
| Tipe | Butt Weld (BW) / Seamless / Welded / ERW / Fabricated |
| Coating / Surface Treatment | Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized |
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, DIN1.4306, 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. Werkstof No 1.4462 |
| Carbon Steel Unequal / Reducing Tee | ASTM A234, ASME SA234 WPB, WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 en 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. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91 |
| Nickel Alloy Unequal / Reducing Tee | ASTM B336, ASME SB336, Nikkel 200 (UNS Nr. Nr. 2200), Nikkel 201 (UNS Nr. N02201), Monel 400 (UNS Nr. N04400), Monel 500 (UNS Nr. N05500), Inconel 800 (UNS Nr. N08800), Inconel 825 (UNS Nr. N08825), Inconel 600 (UNS Nr. N06600), Inconel 625 (UNS Nr. N06625), Inconel 601 (UNS Nr. N06601), Hastelloy C 276 (UNS Nr. N10276), Legering 20 (UNS Nr. N08020), Titanium (Graad I & II), Cupro-Nikkel 70/30, CuNi10Fe1Mn, CuNi30Mn1Fe. |
Buttweld Reducing Tee Manufacturing Standards
| ASME-standaard | ASME/ANSI B16.9, ASME/ANSI B16.28, MSS-SP-43 |
| DIN-standaard | DIN28011, DIN2617, DIN2616, DIN2615, DIN2605 |
| EN-standaard | EN10253-2, EN10253-1 |
| ASME B16.25 | Lasnoppe van eindes |
| ASME B16.9 | Fabrieksvervaardigde gloeifittings lasverbinding deur staartlas |
| 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 | Gegote en vervaardigde staartlasverbinding vir laedruk, korrosiebestande toepassings |
DIMENSIONS OF BUTTWELD REDUCING TEE – ANSI 16.9
| Nominal Pipe Size | Outside diameter at bevel | Center-to-End | |||
| Run | Outlet | Run | Outlet | Run (C) | Outlet (M) |
| ½ duim | 1/4 duim 3/8 duim | 21.3 | 13.7 17.3 | 25 | 25 |
| drie-kwart duim | 3/8 duim ½ duim | 26.7 | 17.3 21.3 | 29 | 29 |
| 1inch | ½ duim drie-kwart duim | 33.4 | 21.3 26.7 | 38 | 38 |
| 1 1/4inch | ½ duim drie-kwart duim 1 duim | 42.2 | 21.3 26.7 33.4 | 48 | 48 |
| 1 1/2inch | ½ duim drie-kwart duim 1 duim 1 1/4 duim | 48.3 | 21.3 26.7 33.4 42.2 | 57 | 57 |
| 2 duim | drie-kwart duim 1 duim 1 1/4 duim 1 1/2 duim | 60.3 | 26.7 33.4 42.2 48.3 | 64 | 44 51 57 60 |
| 2 1/2 duim | 1 duim 1 1/4 duim 1 1/2 duim 2 duim | 73.0 | 33.4 42.2 48.3 60.3 | 76 | 57 64 67 70 |
| 3 duim | 1 1/4 duim 1 1/2 duim 2 duim 2 1/2 duim | 88.9 | 42.2 48.3 60.3 73.0 | 86 | 70 73 76 83 |
| 3 en 'n half duim | 1 1/2 duim 2 duim 2 1/2 duim 3 duim | 101.6 | 48.3 60.3 73.0 88.9 | 95 | 79 83 89 92 |
| 4 duim | 1 1/2 duim 2 duim 2 1/2 duim 3 duim 3 en 'n half duim | 114.3 | 48.3 60.3 73.0 88.9 101.6 | 105 | 86 89 95 98 102 |
| 5 duim | 2 duim 2 1/2 duim 3 duim 3 en 'n half duim 4 duim | 141.3 | 60.3 73.0 88.9 101.6 114.3 | 124 | 105 108 111 114 117 |
| 6 duim | 2 1/2 duim 3 duim 3 en 'n half duim 4 duim 5 | 168.3 | 73.0 88.9 101.6 114.3 141.3 | 143 | 121 124 127 130 137 |
| 8 duim | 3 en 'n half duim 4 duim 5 duim 6 duim | 219.1 | 101.6 114.3 141.3 168.3 | 178 | 152 156 162 168 |
| 10 duim | 4 duim 5 duim 6 duim 8 duim | 273.0 | 114.3 141.3 168.3 219.1 | 216 | 184 191 194 203 |
| 12 duim | 5 duim 6 duim 8 duim 10 duim | 323.8 | 141.3 168.3 219.1 273.0 | 254 | 216 219 229 241 |
| 14 duim | 6 duim 8 duim 10 duim 12 duim | 355.6 | 168.3 219.1 273.0 323.8 | 279 | 238 248 257 270 |
| 16 duim | 6 duim 8 duim 10 duim 12 duim 14 duim | 406.4 | 168.3 219.1 273.0 323.8 355.6 | 305 | 264 273 283 295 305 |
| 18 duim | 8 duim 10 duim 12 duim 14 duim 16 duim | 457.0 | 219.1 273.0 323.8 355.6 406.4 | 343 | 298 308 321 330 330 |
| 20″ | 8 duim 10 duim 12 duim 14 duim 16 duim 18 duim | 508.0 | 219.1 273.0 323.8 355.6 406.4 457.0 | 381 | 324 333 346 356 356 368 |
| 22″ | 10 duim 12 duim 14 duim 16 duim 18 duim 20″ | 559.0 | 273.0 323.8 355.6 406.4 457.0 508.0 | 419 | 359 371 381 381 394 406 |
| 24″ | 10 duim 12 duim 14 duim 16 duim 18 duim 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 | STD | 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 to 8 | 10 to 18 | 20 to 24 | 26 to 30 | 32 to 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 | Maksimum afhoek | Maks van die vliegtuig af |
| Q | P | |
| 1/2 'n 4 | 1 | 2 |
| 5 tot 8 | 2 | 4 |
| 10 tot 12 | 3 | 5 |
| 14 tot 16 | 3 | 7 |
| 18 tot 24 | 4 | 10 |
| 26 tot 30 | 5 | 10 |
| 32 tot 42 | 5 | 13 |
| 44 tot 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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