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| 形式/Type | 同心、偏心 Concentric, Eccentirc |
| 原材料/Raw Material | 无缝管、焊管（SS）、板焊、圆钢（锻制高压用）。Seamless pipe, Welded pipe, Steel sheet. Round bar（Foring High pressure） |
| 制作工艺/Manufacture Process | 挤压、热压、冷加工、热加工、焊接、热处理 。Extrusion moulding, Hot Pressing, Cold-machining, Hot-machining, Welded, Heat treatment |
| 尺寸外径/Outside Diameter | Seamless Elbow ( 1/2″～24″), ERW / Welded / Fabricated Elbow (24″～60″) |
| 壁厚压力/Wall Thickness | 3mm – 40mm / SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| 增值服务/Value Added Services | 热浸镀锌，环氧树脂和FBE涂层，电抛光，喷砂，螺纹加工，焊接（Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Threading, Soldering） |
| 制造标准/Manufacturing Standards | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, GB/T12459, GB/T13401, SH3408, SH3409, JIS B2311/2220, DIN2617/2616/2615 |
| 不锈钢/Stainless Steel | ASTM A403 WP304, 304L, 304H, 309, 310, 316, 316L, 317L, 321, 347 |
| 碳钢/Carbon Steel | 20#, 20G,Q235-A, ASTM A 234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70 |
| 低温钢/Low Temperature Carbon Steel | 16Mn, ASTM A420 WPL3, A420 WPL6 |
| 合金钢/Alloy Steel | ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91, WB36, 12CrMo, 15Cr5Mo, 1Cr5Mo, 12Cr1MoV |
| 双相不锈钢钢/Duplex Steel | ASTM A 815, ASME SA 815 UNS NO S31803, S32205. S31254, 254SMO, S32750,904L |
| 镍合金/Nickel Alloy Steel | ASTM / ASME SB 336 UNS 2200 ( NICKEL 200 ), UNS 2201 (NICKEL 201 ), UNS 4400 (MONEL 400 ), UNS 8020 ( ALLOY 20 / 20 CB 3, UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C 276 ) |
Buttweld Concentric Reducer Dimensions
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| 同心大小头结构图 | 偏心大小头结构图 |
| Nominal Pipe Size (NPS) |
Outside Diameter at Bevel |
Endtoend | |
| Large End | Small End | ||
| 3/4×1/2 | 26.7 | 21.3 | 38.1 |
| 3/4×3/8 | 17.3 | ||
| 1×3/4 | 33.4 | 26.7 | 50.8 |
| 1×1/2 | 21.3 | ||
| 11/4×1 | 42.2 | 33.4 | 50.8 |
| 11/4×3/4 | 26.7 | ||
| 11/4×1/2 | 21.3 | ||
| 11/2×11/4 | 48.3 | 42.2 | 63.5 |
| 11/2×1 | 33.4 | ||
| 11/2×3/4 | 26.7 | ||
| 11/2×1/2 | 21.3 | ||
| 2×11/2 | 60.3 | 48.3 | 76.2 |
| 2×11/4 | 42.2 | ||
| 2×1 | 33.4 | ||
| 2×3/4 | 26.7 | ||
| 21/2×2 | 73.0 | 60.3 | 88.9 |
| 21/2×11/2 | 48.3 | ||
| 21/2×11/4 | 42.2 | ||
| 21/2×1 | 33.4 | ||
| 3×21/2 | 88.9 | 73.0 | 88.9 |
| 3×2 | 60.3 | ||
| 3×11/2 | 48.3 | ||
| 3×11/4 | 42.2 | ||
| 31/2×3 | 101.6 | 88.9 | 101.6 |
| 31/2×21/2 | 73.0 | ||
| 31/2×2 | 60.3 | ||
| 31/2×11/2 | 48.3 | ||
| 31/2×11/4 | 42.2 | ||
| 4×31/2 | 114.3 | 101.6 | 101.6 |
| 4×3 | 88.9 | ||
| 4×21/2 | 73.0 | ||
| 4×2 | 60.3 | ||
| 4×11/2 | 48.3 | ||
| 5×4 | 141.3 | 114.3 | 127.0 |
| 5×31/2 | 101.6 | ||
| 5×3 | 88.9 | ||
| 5×21/2 | 73.0 | ||
| 5×2 | 60.3 | ||
| 6×5 | 168.3 | 141.3 | 139.7 |
| 6×4 | 114.3 | ||
| 6×31/2 | 101.6 | ||
| 6×3 | 88.9 | ||
| 6×21/2 | 73.0 | ||
| 8×6 | 219.1 | 168.3 | 152.4 |
| 8×5 | 141.3 | ||
| 8×4 | 114.3 | ||
| 8×31/2 | 101.6 | ||
| 8×3 | 88.9 | ||
| 8×21/2 | 73.0 | ||
| 10×8 | 273.1 | 29.1 | 177.8 |
| 10×6 | 168.3 | ||
| 10×5 | 141.3 | ||
| 10×4 | 114.3 | ||
| 12×10 | 323.9 | 273.1 | 203.2 |
| 12×8 | 219.1 | ||
| 12×6 | 168.3 | ||
| 12×5 | 141.3 | ||
| 14×12 | 355.6 | 323.9 | 330.2 |
| 14×10 | 273.1 | ||
| 14×8 | 219.1 | ||
| 14×6 | 168.3 | ||
| 16×14 | 406.4 | 355.6 | 355.6 |
| 16×12 | 323.9 | ||
| 16×10 | 273.1 | ||
| 16×8 | 219.1 | ||
| 18×16 | 457.2 | 406.4 | 381.0 |
| 18×14 | 355.6 | ||
| 18×12 | 323.9 | ||
| 18×10 | 273.1 | ||
| 18×8 | 219.1 | ||
| 20×18 | 508.0 | 457.2 | 508.0 |
| 20×16 | 406.4 | ||
| 20×14 | 355.6 | ||
| 20×12 | 323.9 | ||
| 20×10 | 273.0 | ||
| 22×20 | 558.8 | 508.0 | 508.0 |
| 22×18 | 457.2 | ||
| 22×16 | 406.4 | ||
| 22×14 | 355.6 | ||
| 22×12 | 323.8 | ||
| 24×22 | 609.6 | 558.8 | 508.0 |
| 24×20 | 508.0 | ||
| 24×18 | 457.2 | ||
| 24×16 | 406.4 | ||
| 24×16 | 355.6 | ||
| 24×16 | 323.8 | ||
| 26×24 | 660.4 | 609.6 | 609.6 |
| 26×22 | 558.8 | ||
| 26×20 | 508.0 | ||
| 26×18 | 457.2 | ||
| 26×16 | 406.4 | ||
| 26×14 | 355.6 | ||
| 28×26 | 711.2 | 660.4 | 609.6 |
| 28×24 | 609.6 | ||
| 28×22 | 559.0 | ||
| 28×20 | 508.0 | ||
| 28×18 | 457.2 | ||
| 28×16 | 406.4 | ||
| 28×14 | 355.6 | ||
| 30×28 | 762.0 | 711.2 | 609.6 |
| 30×26 | 660.4 | ||
| 30×24 | 609.6 | ||
| 30×22 | 559.0 | ||
| 30×20 | 508.0 | ||
| 30×18 | 457.0 | ||
| 30×16 | 406.4 | ||
| 30×14 | 355.6 | ||
| 32×30 | 813.0 | 762.0 | 609.6 |
| 32×28 | 711.0 | ||
| 32×26 | 660.0 | ||
| 32×24 | 610.0 | ||
| 32×22 | 559.0 | ||
| 32×20 | 508.0 | ||
| 34×32 | 863.6 | 812.8 | 609.6 |
| 34×30 | 762.0 | ||
| 34×28 | 711.0 | ||
| 34×26 | 711.2 | ||
| 34×24 | 660.4 | ||
| 34×22 | 559.0 | ||
| 36×34 | 914.0 | 864.0 | 609.6 |
| 36×32 | 813.0 | ||
| 36×30 | 762.0 | ||
| 36×28 | 711.0 | ||
| 36×26 | 660.0 | ||
| 36×24 | 610.0 | ||
| 36×22 | 559.0 | ||
| 38×36 | 965.0 | 914.0 | 609.6 |
| 38×34 | 864.0 | ||
| 38×32 | 813.0 | ||
| 38×30 | 762.0 | ||
| 38×28 | 711.0 | ||
| 38×26 | 660.0 | ||
| 38×24 | 610.0 | ||
| 40×38 | 1016.0 | 965.0 | 609.6 |
| 40×36 | 914.0 | ||
| 40×34 | 864.0 | ||
| 40×32 | 813.0 | ||
| 40×30 | 762.0 | ||
| 40×28 | 711.0 | ||
| 42×40 | 1067.0 | 1016.0 | 609.6 |
| 42×38 | 965.0 | ||
| 42×36 | 914.4 | ||
| 42×34 | 863.6 | ||
| 42×32 | 812.8 | ||
| 42×30 | 762.0 | ||
| 42×28 | 711.0 | ||
| 44×42 | 1117.6 | 1066.8 | 609.6 |
| 44×40 | 1016.0 | ||
| 44×38 | 965.2 | ||
| 44×36 | 914.4 | ||
| 44×34 | 864.0 | ||
| 44×32 | 813.0 | ||
| 46×44 | 1168.4 | 1117.6 | 711.2 |
| 46×42 | 1066.8 | ||
| 46×40 | 1016.0 | ||
| 46×38 | 965.2 | ||
| 46×36 | 914.0 | ||
| 46×34 | 864.0 | ||
| 48×46 | 1219.2 | 1168.4 | 711.2 |
| 48×44 | 1117.6 | ||
| 48×42 | 1066.8 | ||
| 48×40 | 1016.0 | ||
| 48×38 | 965.0 | ||
| 48×36 | 914.0 | ||
| 52×48 | 1321.0 | 1219.0 | 711.2 |
| 52×46 | 1168.0 | ||
| 52×44 | 1118.0 | ||
| 52×42 | 1067.0 | ||
| 52×40 | 1016.0 | ||
| 56×52 | 1422.0 | 1321.0 | 711.2 |
| 56×48 | 1219.0 | ||
| 56×44 | 1118.0 | ||
| 56×40 | 1016.0 | ||
| 60×56 | 1524.0 | 1422.0 | 711.2 |
| 60×52 | 1321.0 | ||
| 60×48 | 1219.0 | ||
| 60×44 | 1118.0 | ||
| 因为专业、值得信赖 Because Professional and Trustworthy 工业金属管件专业17年，我们更注重品牌、质量、服务。 Specialized in Industry Metal Pipe Fittings for 17 years, We pay more attention to Brand, Quality and Service. |
