CeramPump Valveless Technology


Innovative Designs
CERAMPUMP ® Valveless Technology
Our CERAMPUMP® valveless technology simpli昀椀es fluidic
architecture with one moving part in the 昀氀uid path. Its
internal sapphire-hard ceramics are chemically inert,
dimensionally stable, and abrasion resistant.
The valveless pumping function is accomplished
by the synchronous rotation (spinning motion)
and reciprocation (up and down movement) of
the ceramic piston within its precisely mated
ceramic cylinder liner. Each complete piston revolution
results in the suction-discharge cycle as seen below (Fig. 1).
The piston always bottoms for maximum 昀氀uid and bubble clearing.
Fig. 1
SUCTION
STROKE
CROSSOVER
POINT
DISCHARGE
STROKE
CROSSOVER
POINT
As the piston is pulled back
Continuing the rotation,
Continuing the reciprocation
Continuing the rotation, the
and the piston 昀氀at opens
the inlet port is then
and rotation, the piston is
outlet port is then sealed
to the inlet port, suction is
sealed and crossover
forced down and the piston
and crossover occurs. As the
created and 昀氀uid fills the
occurs. As the inlet port
昀氀at opens to the outlet port.
outlet port is sealed and the
pump chamber. As the
is sealed and the pump
Discharge is created and 昀氀uid
pump chamber is empty,
piston reaches the highest
chamber is full, the
is pumped out. The piston
the inlet port opens to start
point in the reciprocation
outlet port opens up.*
bottoms for maximum 昀氀uid
another suction stroke.*
cycle, the pump chamber
and bubble clearing.
is now at its maximum
volume capacity.
*Only one port is open at any time to ensure zero cross contamination.
At no point are the inlet and outlet ports interconnected.
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