As an industry-leading manufacturer, we are proud to offer a wide range of flanges to meet the diverse needs of our customers. Our products include plate flange, reducing weld neck flange, long weld neck flange, orifice flange, stainless steel flange, threaded flange, blind flange, anticorrosion flange and so on, all carefully crafted to ensure superior performance and durability.
At our state-of-the-art facility, we utilize advanced technology and premium materials to manufacture butt weld flanges to the highest quality standards. Whether you need stainless steel flanges, carbon steel flanges or anti-corrosion flanges, we have the perfect solution for your specific application. Our long butt weld flanges are designed to provide a strong, secure connection to a variety of piping systems, making them ideal for demanding industrial environments.
In addition to their excellent performance, our butt weld flange or called long welding neck flange are easy to install, saving you time and effort during the assembly process. Whether you’re working on a new construction project or making repairs to an existing system, our flanges give you the convenience and peace of mind you need.
At Grand pipefitting, we are committed to providing quality products and exceptional customer service. Our tapered hub flange are backed by our expertise and dedication to excellence, ensuring you are completely satisfied with every purchase.
Manufacturing Standards: | ASME B16.5 EN1092-1 JIS B2220 HG20595-97 HG20617-97 HG/T20615-2009 HG/T20595-2009 HG/T20592-2009 GB/T9119-2010 |
Size: | 1/2〞(DN15)to 100〞(DN2500) |
Pressure: | Class150 Class300 Class600 Class900 Class1500 Class2500 PN2.5、PN6、PN10、PN16、PN25、PN40、PN63、PN100、PN160 |
Material: |
WCB、LCB、LC3、WC5、WC9、C5、C12、CA6NM(4)、CA15(4)、CF8M、CF8C、CF8、CF3、CF3M、CN7M、M35-1、N7M、CW6M、CY40。 |
Sealed | RF,MFM,TG,RJ,RF |
Surface Treatment: | Antirust Paint,Oil Black Paint,Yellow Transparent |
All our products comply with standards of ASTM, ANSL, JIS, DIN, GB or even higher, passed the certification of API, EAC, PED
GOST, ISO9001 etc.
Our butt weld neck flanges are suitable for a wide range of applications from the oil and gas to the chemical and petrochemical industries.
Also including: