Don’t Compromise! MAIN Manufacturing’s reducing flanges for hydraulic systems make changing sizes a breeze. Eliminate that Christmas Tree look and minimize leak points all while saving time and money. (read more)

We manufacture hydraulic flanges, flange adapters, and couplings. Flanges to SAE J518, ISO 6162, ISO 6164, Vickers, Denison, Oilgear, Bosch-Rexroth, JIS, and others (read more)

MAIN Manufacturing Products' NEW "Reference Guide to SAE Flanges" gives a hundred model numbers and thousands of part numbers to help find the exact flange you want. It helps to specify different geometry, connections, and reducers. Many of these flanges are available off-the-shelf ready for shipment. If out of stock, most are available for shipment in 3-5 days. (read more)

MAIN Manufacturing Products Inc. has been designing and manufacturing hydraulic flanges and components for more than 55 years. Over this time. MAIN has helped customers solve many of the same issues we have encountered ourselves. This paper will help users specify hydraulic flanges for pipe and tube connections and gives tips to avoid some of these issues. (read more)

MAIN Manufacturing Products, Inc. has been serving the fluid power industry for more than 50 years! We offer hydraulic flanges that meet many different standards and other types of fittings and adapters (read more)

MAIN Manufacturing Products, Inc.'s hydraulic reducing flanges eliminate that troublesome "Christmas tree look". (read more)

MAIN Manufacturing's hydraulic flanged elbows and tees help greatly in tight spots. (read more)

MAIN Manufacturing Products has manufactured and distributed hydraulic flanges to SAE J518, ISO 6162, ISO 6164, JIS and other flange standards for over 50 years. (read more)

ISO and SAE hydraulic flanges with an optional side port. (read more)

Main Manufacturing Products has manufactured hundreds of special flanges that 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)

Main Manufacturing Products has manufactured and distributed hydraulic flanges to SAE J518, ISO 6162, ISO 6164, JIS, and other flange standards for over 50 years. (read more)

MAIN Manufacturing Products has manufactured and distributed hydraulic flanges to SAE J518, ISO 6162, ISO 6164, JIS, and other flange standards for more than 50 years. (read more)

MAIN Manufacturing Products has manufactured and distributed hydraulic flanges to SAE J518, ISO 6162, ISO 6164, JIS, and other flange standards for over 50 years. (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)