Condensate pumps Mechanical pumps and pumps traps
9
Pressure/temperature limits
C
A
B
MFP14
Steam saturation curve
D
A - D Flanged PN16 B - D Flanged JIS/KS 10 C - D Flanged ANSI 150
Pressure bar g
A C
B
MFP14S
Steam saturation curve
D
Pressure bar g
Superheated steam should not exceed the following parameters: 13.8 bar g @ 198 °C
The product must not be used in this region. For use in this region contact Spirax Sarco - As standard this product should not be used in this region or beyond its operating range.
Body design conditions
PN16
6.1.24
MFP14
MFP14S
Maximum motive inlet pressure (steam air or gas)
13.8 bar g
13.8 bar g
16 bar g @ 120 ° C
16 bar g @ 120 ° C
PMA Maximum allowable pressure
300 ° C @ 12.8 bar g 300 ° C @ 10.8 bar g
TMA Maximum allowable temperature
Minimum allowable temperature. For lower temperatures consult Spirax Sarco 0 ° C PMO Maximum operating pressure for saturated and superheated steam service 13.8 bar g @ 198 ° C 13.8 bar g @ 198 ° C TMO Maximum operating temperature for saturated and superheated steam service 198 ° C @ 13.8 bar g 198 ° C @ 13.8 bar g Product is safe for use under full vacuum conditions Total lift or backpressure (static head plus pressure in the return system) must be below the motive fluid inlet pressure to allow capacity to be achieved:- Height (H) in metres x 0.0981 plus pressure (bar g) in return line, plus downstream piping friction pressure drop in bar calculated at a flowrate of the lesser of six times the actual condensate rate or 30 000 litres/h. Recommended filling head above the pump 0.3 m Minimum filling head required 0.15 m (reduced capacity) Standard pump operates with liquids of specific gravity: 1 down to 0.8 DN80 x 50 DN50 DN40 and DN25 Pump discharge per cycle 19.3 litres 12.8 litres 7 litres Steam consumption 20 kg/h maximum 20 kg/h maximum 16 kg/h maximum Air consumption (Free air) 5.6 dm 3 /s maximum 5.6 dm 3 /s maximum 4.4 dm 3 /s maximum Temperature limits (Ambient ) -10 ° C to 200 ° C -10 ° C to 200 ° C -10 ° C to 200 ° C
9.1 27
The MFP14SS Pressure/temperature limits are shown on the next page
TI-P136-02 CMGT Issue 17
Page 5 of 11
MFP14, MFP14S and MFP14SS Automatic Pumps
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