Hydraulic Power Unit (HPU)
Hydraulic Power Unit (HPU) & Power Handwheel
HPU& Power Handwheel
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Valves are installed at regular intervals alongside the pipelines, which are installed to close or open the path. These valves are sliding type, which are called Gate Valves. These valves are industrial valves that are used to open and close the fluid flow path. Gate valves types are Wedge Gate Valve, Conduit Gate Valve Through, and Knife Gate Valve. The Through Conduit Gate Valve type, which is called pipeline gate transfer valves, is the most in use type. To open these valves manually, a lot of torque is required, and also rotating the wheel by operator is a time and energy consuming activity. Kardanan Shargh company has solved this problem by designing and manufacturing power Handwheel and Portable Hydraulic Unit, which is a mechanical hydraulic equipment, and by creating the right force torque in the shortest possible time.
Main components:
1) Power Handwheel:
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This equipment consists of several gearboxes and a hydraulic engine. The power handwheel is fixed on the Bevel Gear and has two mechanisms:
- a) The first mechanism is manual and the operator can open or close the valve by turning the lever to the manual position and turning the Handwheel. The difference between this mode and the original manual mode (Bevel Gear Operator) is that with the designed gearboxes, the amount of power torque has been reduced by 80%, and this has helped the operator to turn the Handwheel and open or close the valve with much less force.
- b) The second mechanism is automatic and uses hydraulic power. The operator can easily use the automatic mode of the device by turning the gear lever to the automatic mode and connecting the hoses of the hydraulic unit to the power Handwheel, which are of the quick coupling type. In this case, it is enough to open the gate valve. Turn on the engine and put the HPU valve in Open mode. It is worth mentioning that with the designed gearboxes, the torque in this case is 97% reduced.