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Daily Archives: 2022年9月20日

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Why use a long-necked butt welding flange?

Flanges, Pipe TechnologyBy hengtong20222022年9月20日Leave a comment

Long-necked butt welding flanges are common dedicated connections used in industries such as energy, petroleum and petrochemicals. They are commonly found in complex piping systems that serve multi-storey buildings and refineries. But why are they considered the perfect pressure vessel connection for these piping systems? Here are some of the reasons: Example of a long…

Different Types of International Standard for flanges:

Flanges, Pipe FittingsBy hengtong20222022年9月20日Leave a comment

Carbon Steel: – ASTM A105, ASTM A350 LF1/2, ASTM A181 Alloy Steel: – ASTM A182F1 /F2 /F5 /F7 /F9 /F11 /F12 /F22 Stainless Steel: – ASTM A182F6 /F304 /F304L /F316 /F316L/ F321/F347/F348 Duplex Steel S31803 / S32205 Super Duplex Steel S32750 S32760 ASME B16.5 Flanges The ASME B16.5 standard covers NPS 1/2 through NPS 24…

ASTM A105 & A182 Material Can Produce Flanges of Types

Flanges, Pipe FittingsBy hengtong20222022年9月20日Leave a comment

Carbon Steel Flange: ASTM A 105 Stainless Steel Flange: ASTM A 182 Size: 1/2”-60” (DN15-DN3000) Pressure class: Class150-Class2500 Facing: RF/ FM/ M/ T G/ RF / FF / RTJ   ASTM A105 & A182 Material Can Produce Flanges of Types ASTM A105 & A182 Material Can Produce Flanges : Threaded Flanges,Welding Neck Flanges ,Lap Joint…

alloy steel pipe & fittings, carbon steel flange,elbow, tee and Reducer
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