Pneumatic Chemical Injector Pumps

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Notes:

All pumps require either a TR1 timing relay, a TR2 timing relay or an electric solenoid valve.

All 400 and 4000 series pumps require SR1S snap action relay.

Model 800DS, and larger require SR2S snap action relay.

The maximum stroke rate for all pumps is 50 strokes per minute (SPM) with the exception of 800DS and larger, which have a maximum of 35 SPM.