
Fluid Processing
Corrosion-resistant backing rings and split flanges ideally suited for aggressive chemical service and demanding processes.

Our interleaving two-piece design combines strength and simplicity to expedite repairs and maximize your uptime with confidence.
The Marzolf Company manufactures and supplies American-made interlocking split flanges for fluid processing facilities across North America. Our innovative two-piece designs eliminate the need to cut and re-weld piping, helping teams expedite repairs, streamline new installations, simplify maintenance, and complete repairs with less downtime and risk.

Corrosion-resistant backing rings and split flanges ideally suited for aggressive chemical service and demanding processes.

Reliable connections for water treatment, desalination, and distribution. Designed to keep process water flowing.

Especially advantageous when used on PTFE-lined and FRP piping systems. Eliminate the need to cut and re-weld lined pipe, titanium, stainless steel, or PVC/CPVC pipe. Maximize uptime on chemical pulping, chemical recovery lines, and more.

Two-Piece backing rings for municipal and industrial wastewater, sewage lines, and drainage. Includes large diameter rings for HDPE and FRP piping.

Rigid, high-integrity flange connections engineered to keep acids, polymers, solvents, and specialty chemicals contained.

FM Approved for use on HDPE fire water loops and mains. Our FM Approved split flanges are certified for use on HDPE fire suppression systems. Interlocking split flanges designed to maximize uptime and expedite cleaning and maintenance.
Innovation
From its original patented design in 1955 to today's precision-engineered solutions, MARZOLF® continues a tradition of American innovation that makes industrial piping safer, simpler, and more efficient.
The original interlocking split flange, patented by our founder, has been battle tested, time tested, refined, and built upon a legacy of improvement.
2-Piece
Unique Interlocking Design
No Welding
Simpler, Safer Installation
3
Generations of American Ingenuity
Engineering responsiveness, domestic manufacturing, and speed, especially for emergency and shutdown work.
Limited outage window? We help you pre-identify flange requirements and have replacement components ready before shutdown.
Engineered for fast installation, reducing labor requirements while accelerating repairs and restoring production schedules sooner.
Contact our team. We're ready to answer your questions, review your requirements, and help you find the right solution.