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The balance valve in hydraulic system is to prevent that overload incur hydraulic cylinder or motor "out of control".It can also be used to prevent rupture valve. Oil pressure area controlled by flow open gradually,which comes by mainvalveplug's control edge opening the hole on valve pocket gradually.
Tubular type balance valve
Overlap style balance valve
Product Descriptions
The relationship among opening area, opening pressure and opening pressure difference decide the flow from performer from B to A. It’s decided directly by the inlet flow from performer reverse side in case performer “out of control”.If hose breaks occur between direction valve and balance valve oil mouth A, it has no influence on load down operation.
| Model | Product Descriptions | Hydraulic principle diagram | |
| Hydraulic throttle ValveV-82V-182V-8F | V-82:To control cylinder speed. Also used as shut-off valve for temporary load holding. NPT3/8” female ports.V-182:Same as V-82, but with NPT1/4” female ports. Also suitable for gauge subbing (also V-82).V-8F:Similar to V-82, but with very fine metering for precise flow control. Not recommended using as a shut-off valve. |  |
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| Hydraulic Check valveV-17 | Ruggedly built to resist shock and operate with low pressure drop. Closes smoothly without pounding. NPT3/8” female ports |  |
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| Hydraulic check ValveV-42 | Can be mounted at the cylinder to hold the load in case of system pressure loss. Normally used with double-acting cylinders where pilot port receives pressure from a Tee-fitting in the cylinder retract line.NPT3/8” female portsPilot pressure ratio 14% (6.5:1) |  |
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| Manually operated Check ValveV-66,V-66NV*V-66F | V-66,V-66NV：For load holding applications with single or double acting cylinders. Valves allow oil to flow back to tank when cylinder retracts. V-66NV is supplied with Viton seals, nickel-plated.V-66FSimilar to V-66, but with very fine metering capability for precise flow control. V-66F is not designed for load holding. |  |
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| Pressure Relief ValveV-152V-152NV * | V-152：Limits pressure developed by the pump in hydraulic circuit, thus limiting the force imposed on other components.Valve opens whenever preset pressure is reached.To increase pressure setting, turn handle clockwise. Includes:0.9m return line hose kit;±3% repeatability;55-700 bar adjustment range |  |
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| Hydraulic check ValveKET-YKF-70 | 1.Tubular type hydraulic Check Valve 2.Plate-type hydraulic Check ValveOverlap style hydraulic Check Valve |
Can be mounted at the cylinder to hold the load in case of system pressure loss. Normally used with double-acting cylinders where pilot port receives pressure from a Tee-fitting in the cylinder retract line.NPT3/8” female portsPilot pressure ratio 14% (6.5:1) |  |
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