ANNEX VU.K.ANALYTICAL AND SAMPLING SYSTEMS
2.EXHAUST GAS DILUTION AND DETERMINATION OF THE PARTICULATESU.K.
2.2.Partial flow dilution systemU.K.
2.2.1.Components of Figures 11 to 19U.K.
PB Pressures blower (Figures 11, 12, 13, 14, 15, 16, 19)U.K.
To control the dilution air flow rate, PB may be connected to the flow controllers FC1 or FC2. PB is not required when using a butterfly valve. PB may be used to to measure the dilution air flow, if calibrated.