Operating: 7.5 in x 7.0 in x 6.0 in (191 mm x 178 mm x 152 mm)
Open: 8.7 in x 7.0 in x 10.0 in (221 mm x 178 mm x 254 mm)
Weight: 8 lb (3.63 kg)
* As tested with NORPRENE®, PHARMED®, and TYGON® tubing.
Values will be less with silicone and C-FLEX.
‡ Use in this temperature range for continuous duty operation with no decrease in performance or
life. Pump heads will work outside this range with some possible reductions in performance or
product life.
9.3 KR2i Pump Head Operation
KR2i Installation and Removal
WARNING: Stop the pump drive before installing or removing the pump head
from the drive.
1. If mounting plate is not attached to the pump drive, attach it using the provided four Phillips
head screws (see Figure 1)
2. Orient the pump head with its back facing the drive and insert the tang on the pump head
shaft into the shaft’s slot on the drive. Align the bayonet features on the back of the pump
head with the bayonet tabs on the front of the mounting plate (see Figures 1, 2 and 3). The