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2
2 UNPACKING AND INSPECTION
Open the package and check that the product conforms to your order. Also check each of the following
points. For any problem or inconsistency, contact Iwaki America at once.
1. Check that the model number indicated on the nameplate conforms to the specifications of your order.
2. Check that the pump body and parts have not been accidentally damaged or that any fasteners have not
been loosened in transit.
Figure 1
Iwaki America F Series Air Driven Bellows Pumps consist of a high purity virgin fluoroplastic pump head
assembly with dual bellows and internal valving. A bellows is affixed on each side of the pump head
assembly which houses the suction and discharge valves. A connecting rod and shaft system are mounted
to the bellows and structural air chambers which seal against the pump head assembly. The bellows move
reciprocally in the air chambers as a result of alternating pressurization of the air chambers, by which liquid
is pumped continuously. Position of each bellows is monitored by proximity sensors mounted in the air
chambers. Signals from the proximity sensors are used by the controller system to govern the 4-way
solenoid valve and subsequent pressurization of the pump air chambers.