Maximum Temperature Versus System Pressure; Viscosity And Specific Gravity Limits; Sound Level - Johnson Pump SPX MDR Manuel D'utilisation

2.6
2.7
2.8
12

Maximum temperature versus system pressure

Figure 5: Maximum temperature versus system pressure.
Valid for P3 (polypropylene) pumps tested in water

Viscosity and specific gravity limits

Impeller
Max. viscosity cP
diameter
-1V
1VD

Sound level

Highest measured sound level for the MDR-pump is 70 dB(A) for pump fitted to
standard electric motor.
Technical information
Specific gravity kg/dm
10
30
3
1,2
1,8
MDR/EN (1206) 3.2