Handbook of Hygiene Control in the Food Industry

(singke) #1

achieve the desiredsurface roughness. Depending on the specificspeednq, the
wheel types are eitherslow-running radialwheels(nqà10±30)or medium-
running radialwheels (nqà30±60).The specific speedrepresents a wheel-type
characteristic. For the specificspeednqconsistingof speednin rpm,volume
flowQin m^3 /s and flowheadHin m the followingnumericalequation applies:


nqàn

ÅÅÅÅ
Q

p

H^3 =^4

Fig. 18.1 Hygieniccentrifugalpump.

280 Handbookof hygiene controlin the foodindustry

Free download pdf