Product Announcements: Pipe Flanges

ASTM A105 Slip on Flanges, Made of ASTM A105 Material. (read more)

Socket Welding Flange, Available in ANSI, BS, JIS, UNI, MSS and SP Standards (read more)

ANSI Flat Flanges , Available in ANSI, BS, JIS, UNI, MSS and SP Standards. (read more)

Carbon Steel Blind Flange, Available in ANSI, BS, JIS, UNI, MSS and SP Standards (read more)

Stainless Steel WN Flange, ASTM Standard Welding Neck Flange, Made of Stainless Steel (read more)

RTJ WN Flange with Standard Marking and Black Painting (read more)

ASTM A105 Welding Neck Flanges with Standard Marking Made of ASTM A105. (read more)

MAIN Manufacturing Products, Inc. has manufactured hundreds of special flanges which do not fit any established bolt hole spacing. We welcome the opportunity to quote on any particular flange not shown either in our catalog or online. (read more)

SAE flanges are manufactured in accordance with the mounting dimensions and O-rings of SAE J518 specifications, either code 61 or Code 62, and ISO 6162. Stock flanges include socket weld, butt weld, NPTF, and SAE straight thread connections and are available as reducers, in-line, elbows, tees and wyes. (read more)

Main Manufacturing has been serving the fluid power industry for over 50 years! We offer hydraulic flanges that meet many different standards and other types of fittings and adapters (read more)