FK 40 - Tri-Canada

FK 40 - Tri-Canada FK 40 - Tri-Canada

03.11.2012 Views

Positive displacement pumps Case 3: viscous product η = 200–100,000 mPa s Step 2: read viscosity factor V . st at ed in t he diagram: V = 9.0

Step 3: Calculate t he absorbed power N [kW] t o select t he pump drive. N = (2 × p + V) × n × C 1000 p = pressure [bar] ∪ H/10 V = viscosity factor n = speed [1/min], stated in the diagram C = flow rate/revolution [l/rev.] Example: Positive displacement pumps Case 3: viscous product η = 200–100,000 mPa s

Step 3:<br />

Calculate t he absorbed power N [kW] t o select t he pump drive.<br />

N =<br />

(2 × p + V) × n × C<br />

1000<br />

p = pressure [bar] ∪ H/10<br />

V = viscosity factor<br />

n = speed [1/min], stated in the diagram<br />

C = flow rate/revolution [l/rev.]<br />

Example:<br />

Positive<br />

displacement<br />

pumps<br />

Case 3:<br />

viscous product<br />

η = 200–100,000 mPa s

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