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Title: Which foam proportioner consists of two positive-displacement rotary-gear pumps mounted on a common ... Post by: madisoncole0416 on Feb 9, 2018 Which foam proportioner consists of two positive-displacement rotary-gear pumps mounted on a common shaft?
A. Around-the-pump proportioner B. Balanced pressure proportioner C. Pressure proportioning tank system D. Coupled water motor-pump proportioner Title: Which foam proportioner consists of two positive-displacement rotary-gear pumps mounted on a common ... Post by: gatt3130 on Feb 9, 2018 D
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