ASME B16.9 Equal Tee and Reducing Tee
Both equal tee and reducing tee have three branches that usually is T-shaped, they provide 90 degree branches and change fluid direction. ASME B16.9 Buttweld tees are widely used in pipe convey. They are very common in industrial applications such as oil and gas transmissions, water treatment system, power station, chemical industry and engineering.
ASME B16.9 is manufacture standard for Factory-Made Wrought Buttwelding Fittings. Put simply it is specification for butt weld fittings.
Buttweld pipe tee connected by butt welding, which is stable than other weld type and can withstand higher pressure. Fittings ends need preparation before welding, so the end can be plain or beveled.
Diameter of ASME B16.9 tees is from 1/2” to 80” (DN15 to DN2000), wall thickness is specified in schedule 10S, 20, STD, 40, XS, 80, 120, 140, 160, and XXS.
Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
Outside Diameter | Seamless Pipe Tee ( 1/2″~24″), ERW / Welded / Fabricated Pipe Tee (1/2″~48″) |
Types | Equal Tees, Reducing Tees |
Wall Thickness | 3mm – 40mm / SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
Value Added Services | Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Threading, Soldering |
Production Grades | Stainless Steel, Alloy Steel, Duplex, Nickel Alloys, Low temperature Steel, Carbon Steel, Cupro Nickel |
ASME: | ANSI B16.9, ANSI B16.28, MSS-SP-43 |
DIN: | DIN2605, DIN2615, DIN2616, DIN2617, DIN28011 |
EN: | EN10253-1, EN10253-2 |
ASTM A403 – ASME SA403 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
ASME B16.9 | Factory-Made Wrought Fittings Buttwelding |
ASME B16.25 | Buttwelding Ends |
ASME B16.28 | Wrought Steel Short Radius Elbows and Buttwelding Returns |
MSS SP-43 | Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications |
Stainless Steel | ASTM A403 WP Gr. 304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L |
Carbon Steel | ASTM A 234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70. |
Low Temperature Carbon Steel | ASTM A420 WPL3, A420 WPL6 |
Alloy Steel | ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91 |
Duplex Steel | ASTM A 815, ASME SA 815 UNS NO S31803, S32205. Werkstoff No. 1.4462 |
Nickel Alloy | 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 ) |
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