R616-3-9. Valves in Hydraulic Elevator Operating Fluid Systems

Related Notices

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A. Due to the potential loss of pressure retaining capability when over torqued, bronze-bodied valves shall not be installed in the hydraulic systems of a hydraulic elevator.

B. This requirement is in effect for all new installations and remodel installations involving the hydraulic system.

C. If a bronze-bodied valve installed on an existing elevator begins to leak, that valve shall be replaced by a steel-bodied valve.

                    
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