BVA Hydraulics HLN5508 Lock Nut Style Hydraulic Jacking Cylinders
All BVA Hydraulics Cylinders are ASME B30.1 compliant in design, manufacture, and testing.
The ‘HLN’ series offers (30) standard models ranging from 55 – 300 tons capacity. This design incorporates an engineered, load-holding plunger thread and mating lock nut. Simply, as the plunger rises, the mating lock-nut can be screwed down against the cylinder body. With scheduled time outs and following this procedure, engineered mechanical cribbing is now part of your high-tonnage hydraulic jacking project. With safety in mind, this concept can be used in any lifting operation and provides substantial integrity in high-tonnage bridge jacking systems.
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