3
As the diaphragm starts forward on the discharge stroke the pressure immediately rises inside the liquid end.
When the liquid end pressure rises above the discharge line pressure; the discharge ball check is "pushed"
upward and the process uid in the liquid end ows into the discharge line. When the discharge stroke ends,
the diaphragm momentarily stops again. The pressure in the liquid end equalizes with the discharge line
pressure and the discharge ball check reseats. The cycle then starts again.
1.3 GENERAL SPECIFICATIONS
FLOW RATE:
Up to 500 L/H (depending on pump code)
PRESSURE:
Up to 12 BAR (depending on pump code)
LIQUID END TYPE:
Mechanically Actuated Diaphragm
DRIVE TYPE:
Variable Eccentric
STEADY STATEACCURACY:
±1.5% of pump full rated capacity between 10% and 100% of rated capacity.
CAPACITY ADJUSTMENT:
Lockable stroke adjustment knob is adjustable from 0% to 100% while pump is running.
LUBRICATION:
Drive is lubricated in an oil bath (Oil model refer to chapter 3.1).
TEMPERATURE:
Ambient and Liquid:
40
℃
Maximum
-10
℃
Minimum
SUCTION LIFT:
2 meters of water column maximum
11.5 psia minimum internal pressure(3.2 psi maximum Vacuum)
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