Our hydraulic and mechanical snubbers are built to withstand the harshest environments, ensuring long-term durability and performance.
Safety is at the core of everything we do, ensuring our hydraulic and mechanical snubbers contribute to the overall safety of nuclear operations.
Fronek Anchor/Darling hydraulic and mechanical snubbers are trusted by nuclear facilities worldwide, ensuring consistent performance and safety.

Hydraulic Snubbers

Most hydraulic snubbers have a piston which is relatively unconstrained in motion at low displacement rates. At high displacement rates the piston “locks up”, that is, the force required to move the piston increases substantially, usually as a result of the closing of a valve.

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Mechanical Snubbers

Mechanical snubbers have two modes of operation. In passive mode, i.e., motion caused by thermal loads, the resisting mechanism is disengaged and the snubber “free wheels” with very low resistance. In active mode the mechanism is engaged, and the snubber limits the acceleration to a low threshold value. There are other types of mechanical snubbers, but these are the most common ones.

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Fronek Anchor/Darling Enterprises, Inc., a subsidiary of Piping Technology & Products, Inc., is one of the world’s leading designers and manufacturers of quality engineered shock control products. PT&P acquired Anchor/Darling Enterprises, Inc. from the Shaw Group in August 2004. Located in Laconia, New Hampshire, Fronek Anchor/Darling Enterprises, Inc. is an ASME Nuclear Stamp (“NS”) Certificate Holder. Anchor/Darling's product line includes hydraulic and mechanical snubbers, sway braces, and other vibration control devices.

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