Pumps
91
IDEX Health & Science’s Ismatec
®
pump drives are available with three pump types –peristaltic, gear, and piston— tomake a complete pumping
system. The chart below will help you choose the right pump technology. Once you fnd the desired pumping technology, proceed to the
section pages listed and choose the pump/drive combination best suited for your application.
Introduction
Selection criteria
Peristaltic pumps
gear pumps
rotary piston pumps
Pages
94
110
118
Flow Rate Min. to Max.
<0.001 mL/min to 13 L/min
1 mL/min to 7 L/min
0.025 mL/min – 2.3 L/min
Number of Channels
1 – 24
1
1
Differential Pressure
Max. 2.5 bar (36 psi)
Max. 5.6 bar (81 psi)
Max. 6.9 bar (100 psi)
Suction Lift (water)
7 – 8 m
<1 m
~5 m
Dead Volume
Practically None
5 – 45 mL
Very Small
Chemical Resistance
Depends on Tubing Material
High
Very High
Accuracy and Repeatability
High
High
1
Very High
Self-Priming
Yes
Possible
4
Possible
Sensitive to Dry-Running
No
Yes
Yes
Syphoning Effect
No
Yes
No
Pumping Gently = Low Shearing Forces
Yes
No
No
Under Sterile Conditions
Yes
No
No
In Both Directions
Yes
Yes
4
Yes
Pulse-Free
2
Yes
2
Contamination-Free
Yes
No
No
Media
Containing Particles
Very Good
No
Max. 0.8 mm Ø
Viscous
Very Good
Possible
Good
Containing Living Cells
Very Good
No
No
Foaming
Very Good
No
No
Corrosive / Aggressive
3
Good
Very Good
Gas
3
No
4
1
Requires non-return valve
2
Pumping with low pulsation possible; depends on the pumphead
3
Depends on the tubing material
4
Depends on the pumphead
FOR ORDERING & DISTRIBUTOR INFORMATION +1 800 426 0191 • +1 360 679 2528 • www.idex-hs.com