HYMAX GRIP®  joins and restrains a wide selection of pipes of different types and diameters, easily and reliably. Due to its patented design, it allows the joining of pipes of same or different materials and diameters with unmatched ease. HYMAX GRIP® prevents axial pipe motion without the need for thrust blocks.

This market-leading restraint coupling family, invented and manufactured by Krausz, features a unique radial gripping system suitable for both metal and plastic pipes, combining a top-facing two-bolt grip coupling that enables quick and easy installation. The HYMAX GRIP’s patented gasket effectively transforms the pipe joint into a flexible connection and allows dynamic deflection of the pipe of up to 4 degrees per side, reducing future pipe cracks and breaks. The GRIP is made of highly durable ductile iron, and can withstand working temperature of up to +125°F, truly the perfect product for a fast and reliable restrained connection. HYMAX GRIP meets or exceeds standards AWWA C219, NSF-61 and NSF-372.

Krausz keeps a high level of inventory in several sites across North America, offering short lead times, supporting our customers in emergency pipe repair situations. Per customers’ requests, we design custom-made products including extra-wide sizes, providing quality solutions for pipe repair, join and restrain applications, using diverse products and superior quality raw materials.

NEW from Krausz USA:

The HYMAX GRIP 14″ and 16” is the first restraint product of its size with four top-facing bolts and a stab-fit, one-piece design.

HYMAX GRIP products are now available with NBR gaskets (sizes 1.5″-12″).

NOTE: Our HYMAX products are not to be used for Petrochemical applications.

HIGH PRESSURE GRIP – HYMAX GRIP products are now offered in two options, a standard pressure version and a high pressure one with a specially designed grip chain.

For exact sizes, pressures and product information please refer to the specifications sheets.

PRECAUTIONS FOR HDPE PIPE:  Note that the use of pipe stiffeners is recommended when you use the HYMAX GRIP on HDPE pipe.

For HYMAX GRIP product specification sheets and product installation instructions, you can go to the download links on this page.

To order a Lunch N’ Learn free educational session at your location click here.


HYMAX GRIP Installation Instructional Video
HYMAX GRIP Information Video
GRIP Pressure Testing
pdf HYMAX GRIP Family Brochure