Purpose and characteristics 

The F37 Balance Valve is used on the Changjiang Engineering Crane Series and telescopic boom of overhead working truck. When the truck crane or overhead working truck hovers during operation, it may prevent automatic sliding due to dead weight of hydraulic cylinder. The descending motion of actuating mechanism is performed steadily in a controlled manner with the balance valve. It may be also used under the similar working condition of other hydraulic machinery.

Performance parameters 

Overall & installation dimensions 

Graphic symbol