ASME B16 9 Long Stub End Manufacturer
What Is a Long Stub End?
A Long Stub End is a type of pipe fitting used with a Lap Joint Flange to create a detachable and cost-effective flange connection in a piping system. It has a longer hub or neck compared to a standard (short) stub end, which provides additional support and alignment when connecting to pipes or flanges. The extended length makes it suitable for applications involving larger pipe diameters, higher pressure ratings, or where frequent dismantling of the piping system is required for inspection or cleaning.
Long Stub Ends are commonly used in oil & gas, petrochemical, chemical, food processing, water treatment, and power generation industries. They are ideal for high-pressure or high-temperature systems that require periodic maintenance or inspection. Their design offers the dual advantage of easy assembly and reduced flange replacement costs, as only the lap joint flange can be reused while the stub end remains welded to the pipe. This makes long stub ends an efficient and economical choice for piping systems using expensive materials like stainless steel or nickel alloys.
Long Stub Ends are manufactured in accordance with standards such as ASME B16.9, MSS-SP-43, and DIN specifications. They are available in Type A, B, and C designs and are produced from a variety of materials, including stainless steel, carbon steel, alloy steel, duplex, and super duplex steel. The long hub design helps ensure a smooth bore alignment with the mating pipe, minimizing flow disturbance and mechanical stress. The Lap Joint Flange used with the stub end is free to rotate, simplifying bolt hole alignment during installation.
Standard Specification For Buttweld Long Stub End
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 1/2"NB TO 36 "NB IN
Type : Seamless / ERW / Welded / Fabricated
Thickness : Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.
Form : Long Stub Ends, Pipe Stub Ends, Butt weld Long Stub Ends.
Material & Grades of Buttweld Long Stub End
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 Buttweld Long Stub End :
ASTM A 815, ASME SA 815 UNS NO S31803, S32205. UNS S32750, S32950. Werkstoff No. 1.4462
Carbon Steel Buttweld Long Stub End :
ASTM A234, ASME SA234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
Low Temperature Carbon Steel Buttweld Long Stub End :
ASTM A420 WPL3, A420 WPL6
Alloy Steel Buttweld Long Stub End :
ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91
ASME B16.9 Buttweld Long Stub End Available Types
| Buttweld Long Stub End | Butt Weld Long Stub Ends |
|---|---|
| ASME B16.9 Butt weld Long Stub End | Steel Long Stub Ends Fittings |
| Stainless Steel Long Stub End Suppliers | SS Buttweld Long Stub Ends Fitting |
| ANSI B16.9 Buttweld Long Stub End Dealer | ASME B16.28 Buttweld Long Stub Ends Exporter |
| Welded Butt weld Long Stub Ends Stockholder | Seamless Butt weld Long Stub End Distributors |
| Carbon Steel Long Stub End | High Quality Long Stub End Manufacturer |
| ASTM A403 Stainless Steel Long Stub Ends | Duplex Steel Buttweld Long Stub End |
| Super Duplex Steel Buttweld Long Stub End | Copper Nickel Long Stub End |
| High Nickel Alloy Long Stub Ends | Hastelloy Long Stub Ends Stockist |
| Titanium Buttweld Long Stub End | Inconel Butt weld Long Stub End |
Buttweld Long Stub End Application
- Stainless Steel Buttweld Long Stub End uses in Oil and Gas Pipeline
- Butt weld Long Stub Ends uses in Chemical Industry
- Alloy Steel Long Stub Ends uses in Plumbing
- Buttweld Long Stub End Fittings uses in Water Supply Systems
- ANSI B16.9 Buttweld Long Stub Ends uses in Power Plant
- Buttweld Long Stub End Fitting uses in Paper & Pulp Industry
- Long Stub End uses in General Purpose Applications
- Buttweld Long Stub Ends uses in Structural Pipe
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