Condensate pumps Mechanical pumps and pumps traps
9
Capacity multiplying Factors for other filling heads Filling Head m
Capacity multiplying Factors Pump Size
1
1½
2
3 x 2
0.15
0.7
0.7
0.7
0.84
0.3
1.0
1.0
1.0
1.0
0.6
1.2
1.2
1.2
1.08
0.9
1.35
1.35
1.35
1.20
1.2
—
—
—
—
1.8
—
—
—
—
2.1
—
—
—
—
Capacity multiplying Factors for motive gas supplies (other than steam) 10% 20% 30% 40% 50% 60% 70% 80% 90% % Back pressure Vs Motive pressure (BP/MP) 1.04 1.06 1.08 1.10 1.12 1.15 1.18 1.23 1.28 Capacity Multiplying Factors
Vent to atmosphere Flash steam, air and pump exhaust
Operating Steam or gas supply
Condensate
Pump Exhaust
Condensate Return Line
Receiver
H Height
At least 0.3m Seal on overflow (if fitted)
Filling head
0.3m Preferred min 0.15m
9.1 79
FT10 When steam supply is used
Inlet strainer
Pressure Powered Pump
Recommended installation of pressure powered pump when fitted to a vented receiver. Flash steam must be vented or condensed ahead of pump inlet. Application details will dictate which of the following options will be necessary to accomplish this.
TI-P135-03 ST Issue 1
Page 3 of 4
PPC and PPF Pressure Powered Pumps
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