Watson-marlow 701 User Manual download pdf (Page 20)

22 Flow rates

Flow rates were obtained using silicone tubing with the pumphead rotating clockwise,

pumping water at 20°C with zero suction and delivery pressures. For critical applications

determine flow rates under operating conditions.

Tube bore Tube number - # rpm Pressure (+) Suction (-)

Flow rates: 701RB Flow rates: 701RBE

mm 9.6 12.7 15.9 19.0 25.4 12.7 15.9 19.0

inch 3/8 1/2 5/8 3/4 1 1/2 5/8 3/4

# 193 88 189 191 92 88 189 191

53 98 135 188 250 98 135 188

134

156 290 402 558 745 290 402 558

232

271 503 696 967 1290 503 696 967

348

406 754 1044 1450 1935 754 1044 1450

175

204 379 525 729 973 379 525 729

265

309 574 795 1104 1473 574 795 1104

316

369 685 948 1317 1757 685 948 1317

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Watson-marlow 701 User Manual Page 20