High Pressure System Components
Component | Description |
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High pressure chamber |
The two high-pressure chambers are closed by the chamber plug assemblies. These are sealed into the chambers with large threads and tightened by turning two short handles. The closure components are counter-sprung so that they are readily raised and lowered. On top of each closure is a manual valve for venting or purging air that may be trapped when a high pressure chamber is closed.
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Hydraulic pump |
The basic high-pressure generating unit is a hydraulic pump. The pump has a hydraulic fluid reservoir and a pressure gauge. The relief valve limits the maximum pressure to 2800 psia. The pump and drive motor rotation are reversible to allow the pressure adjustment. Pump speed and direction are controlled by the application which prevents overshooting of the target pressure while minimizing time required to attain a target pressure. |
Pressure intensifier | The required psia is generated by a double- action, dual piston intensifier connected to the hydraulic pump. Two limit switches are located near the upper and lower limits of piston travel. The first of these switches alerts the operating program; the second interrupts the power to the motor. |
Transducer | High pressure measurements are made with one pressure transducer. The signal from this transducer is processed by electronic circuitry to yield two pressure output signals. |
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