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Threaded Flanges

Threaded Flanges

Long Weld Neck Flange

Threaded Flanges are designed with internal threads that allow the flange to be directly screwed onto externally threaded pipes without the need for welding. Their easy installation and maintenance make them suitable for piping systems where welding is difficult or undesirable. They are commonly used in low to moderate-pressure applications across chemical, water treatment, oil & gas, and general industrial piping systems.

Production Range

Dimensions: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size: 1/2″ (15 NB) to 48″ (1200NB)
Class: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
BS: BS4504, BS4504, BS1560, BS10, PN6, PN10, PN16, PN25, PN40, etc
Table: D / E / F / H / J / K
Api Standards: PSI-2000/3000/5000/10000/etc
JIS Standards: 2220-2004 5k/10k/16k, etc
Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
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