For the best pump efficiency, we recommend selecting a pump that typically runs in the upper half of its flow rate range. For the valves to operate effectively, a pressure differential of at least 25 psi is required on the outlet side of the pump.

  Low Flow Liquid End Standard Flow Liquid End High Flow Liquid End
Model 1:

Flow rates from .002 to 10 mL/min.

Optimal at lower rates, e.g., 1-20 mL/min.

1L

Flow:  .002-2.5 mL/min.

@ 6000 psi

 1S

Flow:  .003-5 mL/min.

@ 6000 psi

1H

Flow:  .01-20 mL/min

@ 3000 psi

Model 2:

Flow rates from .003 to 20 mL/min.

Optimal at medium rates, e.g., 2.5-40 mL/min.

2L

Flow:  .003-5 mL/min

@ 6000 psi

2S

Flow:  .01-10 mL/min

@ 6000 psi

 2H 

Flow:  .02-40 mL/min

@ 1500 psi

Model 3:

Flow rates from .01 to 80 mL/min.

Optimal at higher rates, e.g., 5-80 mL/min.

3L

Flow:  .01-10 mL/min

@ 3000 psi

3S

Flow:  .01-20 mL/min

@ 1500 psi

3H

Flow:  .04-80 mL/min

@ 750 psi

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