HARVARD 33 - External Control and Pump Chaining; Pump Chain Configuration

Publication 5390-001 Revision B
13
Harvard Apparatus Model 33 Twin Syringe Pump User's Manual
Stainless Steel Valve Connectors
Swage lock fittings should be finger tight plus 1-1/4 turns. Tubing is 304, stainless 1/4"
OD, wall thickness 0.035"
P = Com.
B = Normally Open
A = Normally Closed
A
Rear
Front
A
P
P
B
B
Fill
Output
Figure 7. Continuous Delivery. Pump in Reciprocal Mode.
A
Rear
Front
A
P
P
B
B
Output
Front
Output
Rear
Fill
Front
Fill
Rear
Figure 8. Dual Delivery followed by Refill. Pump in Parallel Mode.