USED: Sihi self-priming side channel... USED: Sihi self-priming side channel vacuum pump, model CEHQ-3603, carbon steel. Approx capacity 52 cfm at 1450 rpm. 2" inlet, 1-1/2" outlet. Driven by a 7.5 hp, 3/60/208-230/460 volt, 1740 rpm motor. Base mounted. and the product is still available, |