Penguin MTD Series, Installation & Maintenance

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Maximum Noise Level: 80 dBA (pump only)
Maximum Allowable Motor Power:
Do not exceed 7.5 kW (10 horsepower) for 50 Hz, 2900 rpm applications. For 60 Hz, 3450 rpm applications, the pump is capable
of starting a 15 horsepower motor but is limited to a maximum of 13 horsepower (9.7 kW) while running. Use the information in the
chart below to determine the maximum specific gravity capabilities by impeller trim for non-overloading applications. The use of a
power monitor is strongly recommended for 60 Hz applications above 10 horsepower (7.5 kW).
3450 rpm (60 Hz) 1725 rpm (60 Hz) 2900 rpm (50 Hz) 1450 rpm (50 Hz)
10 gpm (2.3m 3 /hr) 5 gpm (1.1 m 3 /hr) 10 gpm (2.3 m 3 /hr) 5 gpm (1.1 m 3 /hr)
MTD-5, MTD-7-1/2, MTD-10 Capabilities
Maximum Working Pressure: 90 psi (6.2 bar)
Maximum Temperature: Polypropylene: 180º F (82º C); PVDF: 220º F (104º C)
NOTE: Maximum temperature is application dependent. Consult a chemical resistance guide or the chemical
manufacturer for chemical compatibility and temperature limits.
Solids: Maximum particle size is 100 microns for slurries and 1/64” (.4 mm) for occasional solids.
Maximum hardness is 80 HS. Maximum concentration is 10% by weight.
NOTE: If solids are being pumped, it is recommended that the pump have silicon carbide components for best results.
Pumping solids may lead to increased wear.
Minimum Allowable Flow Rate: Do not allow the flow rate to drop below the minimum flow rate listed in the chart below.
Cleaning
The pump must be cleaned on a regular basis to avoid dust build up greater than 5 mm.
Motor Rotation Test
Pump must be full of liquid with no trapped air in the suction and discharge lines before the rotation of the motor is checked. Do not
operate pump until it is full of liquid.
Start Up
The pump must be filled from a flooded suction tank (gravity) or primed with liquid from an outside source. Open the inlet (suction) and
dis-charge valves completely and allow the pump to fill with liquid. Close the discharge valve. Turn the pump on and slowly open the
discharge valve. Adjust the flow rate and pressure by regulating the discharge valve. Do not attempt to adjust the flow with the suction
valve.
Maintenance
The recommended maintenance schedule depends upon the nature of the fluid being pumped and the specific application. If the pump
is used on a clean fluid, it is recommended that the pump be removed from service and examined after six months of operation or after
2,000 hours of operation. If the pump is used on fluids with solids, high temperatures or other items that could cause accelerated wear,
then this initial examination should be sooner.
After the initial examination of the internal components and wear items are measured, a specific maintenance schedule can be
determined. For best results, it is recommended that the pump be removed from service annually for examination.
Installation & Operation Instructions
MTD-5, MTD-7-1/2, MTD-10