HS452, HS652 Rotary Vane Pumps - Agilent Technologies
HS452, HS652 Rotary Vane Pumps - Agilent Technologies
HS452, HS652 Rotary Vane Pumps - Agilent Technologies
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Technical Information<br />
Lubrication<br />
5<br />
Lubrication<br />
The pump’s lubricating system is force-feed type.<br />
Oil circulation is obtained by means of a gear pump connected to the<br />
rotor shaft.<br />
The oil is drawn through a gauze filter to prevent any foreign bodies<br />
from entering the pump.<br />
Shunt-mounted on the delivery line is a hydraulic piston which,<br />
besides actuating the anti-suckback device (see ANTI-SUCKBACK<br />
DEVICE), also regulates pressure by discharging excess oil flow<br />
directly into the tank.<br />
The required flow of oil under pressure passes through ducts that are<br />
drilled in the walls of the pump and lubricates the bushings and the<br />
inside parts.<br />
<strong>HS452</strong>, <strong>HS652</strong> <strong>Rotary</strong> <strong>Vane</strong> <strong>Pumps</strong> User Manual / 87-900-978-01 (L) 71/126
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