CLASSIFICATION BY VALVE BLOCK

CLASSIFICATION BY VALVE BLOCK

01.DUAL-VALVE OR TRIPLE-VALVE POWER PACK

It is usually equipped with JL36 or JL36-4 valve block, andthis type power pack should work with VFD in the elevatorelectric control system.

02.PROPORTIONAL VALVE POWER PACK

It is usually equipped with JL30 proportional valveblock, and this type power pack should work withVFD in the elevator electric control system.

03.FOUR-VALVE BUFFER-TYPE POWER PACK

It is usually equipped with JL89 or JL90 four-coils valveblock. Its fast/slow-speed buffer valve is a standardconfiguration for hydraulic elevators in Europe andAmerica, and it does not need to work with VFD in theelevator electric control system.

04.DUAL-VALVE BUFFER-TYPE POWER PACK

It is usually equipped with JL36-5 dual-valve buffer valveblock, which does not need to work with VFD in theelevator electric control system.