Minimal Downtime
Delivers faster repairs that reduce downtime, minimize operational disruption, and maximize productivity during critical events.
A Smarter
Approach to Pipe
Installation & Repair
Get back up and running faster and safer with MARZOLF® interlocking split flanges. No cutting, no welding, no unnecessary downtime.
1955Established
Made in the USAFrom New Construction to Critical Repairs
Whether you're bringing a new system online, performing scheduled maintenance, or responding to an unexpected failure, reducing downtime and improving worker safety are always priorities. Marzolf Two-Piece interlocking flanges help personnel work efficiently and safely to keep plants up and running.
Engineered For The Demands of Fluid Processing
Since 1955, Marzolf has manufactured and supplied American-made interlocking split flanges for fluid processing facilities worldwide. Our interleaving two-piece designs provide unrivaled rigidity and facilitate an effective and uniform seal. The two-piece design helps teams streamline new installations, simplify maintenance, and complete repairs with less downtime and risk.
What This Means for Plant Engineers
MARZOLF responds with a broad range of materials, sizes, and custom capabilities. From planned maintenance to emergency repairs, customers get the expertise to solve difficult applications quickly and confidently.
Lower Labor Cost
Design simplifies installation to reduce labor demands, and help teams complete more repairs safely and efficiently.
Increased Safety
Quick repairs mean your workers spend less time in dangerous, cramped, and hazardous environments, to lower the risk of potential illness or injury.
Faster Installation
Eliminates the need to cut and re-weld stub ends to accelerate repairs and maintain your production schedule.
Custom Solutions
Rapid design, engineering, and manufacturing of custom items, materials, and non-standard specifications.
Easy Access to Help
Assistance with product selection, pricing, and ordering is readily available.
We've Built 70+ Years of Trusted Relationships
Heritage
Seventy Years of Trusted Relationships
George B. Marzolf, Sr. engineered and patented the original interlocking two-piece flange in 1955. The company proudly serves many of its legacy customers still today.
70+
Years in Business
1955
Founded in St. Paul, MN
100%
Made in the USA
Patented & Proven
The original interlocking split flange, patented by our founder, has been battle tested, time tested, refined, and built upon a legacy of improvement.
American-Made
Every flange is manufactured in our River Falls, Wisconsin facility. No overseas sourcing, no compromises.
Stocked & Ready
Marzolf flanges are in stock and readily available from 1/2" to 30" to fit pipe, tube, polyethylene, fiberglass, PVC, and CPVC. Shipped when and where you need them.
Have a Project or Problem you'd like to discuss?
Contact our team. We're ready to answer your questions, review your requirements, and help you find the right solution.