automatic nut
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Hydraulic Tensioning Nuts
BELIUM BBHN series hydraulic nuts are designed and manufactured for inspection and regular maintenance of flange connection. Unlike traditional hydraulic bolt tensioners, the BELIUM BBHN series
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hydraulic nuts are designed to permanently replace the flange with a standard hex nut. Once the hydraulic tension force is applied to the bolt, the hydraulic tensile force is permanently preserved by the built-in mechanical load ring of the hydraulic nut.
The BBHN Series Hydraulic Nuts standard thread sizes are from M22 to M100, other sizes can be available on request.
