How to use hand pump

SB-O3-175 hand pump use:
Hand pump and emergency shut-off valve supporting the use of liquefied petroleum gas storage station for tank or tank emergency shut-off valve in the working state, the use of this pump to control the performance of the emergency shut-off valve open or closed purpose.
SB-O3-175 hand pump working principle and structure description:
Hand pump through the handle to do reciprocating action, the pressure increases to open the emergency shut-off valve, the medium can be passed, such as a fire or other emergency situations, the hand pump relief valve opens, the hydraulic system quickly pressure relief Immediately shut down the emergency shut-off valve, or when the temperature is raised above 75 ℃, the fusible plug installed on the oil pump or emergency shut-off valve melts immediately to achieve the automatic pressure relief wood, so that the emergency shut-off valve will automatically close quickly.
The main structure of the hand pump is suction plunger oil, into the valve, the valve and relief valve composition. The closed space formed by the plunger and the oil inlet and outlet valve is the working space of the oil pump. When the plunger moves upwards to make the volume of the working chamber change from small to large, the oil pressure is lower than the atmospheric pressure and the oil inlet valve is opened. The oil filter valve into the working chamber. When the plunger downward movement of the working chamber volume from large to small, the working chamber of the hydraulic pressure increases, the oil valve is opened, the pressure oil discharged into the oil system for emergency shut-off valve open. Pressure relief valve is used to relieve pressure oil pressure system set up, the work required to close the pressure relief valve, the pressure relief valve in the oil system needs to open the emergency shut-off valve closed.
SB-O3-175 hand pump applications:
The pump tank in the pump jacket body cavity, when filling the upper cover of the oil filler can be opened, such as the oil column volume is not enough can be supplemented auxiliary tank.
Strength test: 10.0MPa. Seal test: 6.0MPa. High temperature relief test: 400cc
Ancillary equipment: Station emergency shut-off valve BY-850H oil accumulator BY -962
Working pressure: 2.0 ~ ~ 6.0MPa. The maximum operating pressure: 7.0MPa
Oil chamber capacity: 4000cc. Working medium: 13 # machine oil or 2 # spindle oil

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