Metering Pump
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 Used ProMinent Makro Plunger Metering Pump 316 Stainl US $3,500.00 |
 PERIFLOW METERING FLOW PUMP 5 HP  US $2,950.00
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 Milton Roy Metering Dosing Pump RJ1115FRSESEM2NN 1 2hp 5hp 510gph 1 phase NEW US $2,900.00
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 VOGEL MF E5 BW3 LUBE OIL PUMP LUBRICANT GEAR METERING MFE5BW3 OILER NEW US $2,899.99
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 MILTON ROY LMI SERIES G METERING PUMP US $2,475.00
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 UNUSED MILTON ROY G METERING PUMP 1 H P US $2,399.99
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 diaphragm metering pump duplex 120 GPH 2000 PSI no2 US $1,800.00
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 LMI Milton Roy L123 44 70gph 125psi Metering Pump BRAND NEW US $1,750.00
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 Used Neptune Metering Pump Model 431 316 Stainless s US $1,750.00 |
 Pro Minent SICa Metering Pump US $1,200.00
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 Used Prominent PFC Metering Pump 316 Stainless Steel US $1,200.00 |
 Pulsa 8480 Metering Pump with Pulsation Dampener 230 US $1,200.00
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 NEPTUNE PROPORTIONING PUMP 515 A N1 METERING PUMP 115 VOLT 1 3 HP NEW US $1,097.99
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 Madden Metering Pump and motor US $1,050.00
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 Walchem E Class Metering Pump EHE55FF 23UPE12 New US $1,012.11
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 Dosatron Precision Water Power Metering Pump D14MZ10VV US $950.00
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 Dosatron Precision Water Power Metering Pump D14MZ5VV US $898.00
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 Metering pump dual piston ¾ hp 316SS 30gph Durco US $975.00
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 Pulsafeeder 1 Metering Pump Surplus New US $850.00
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 Milton Roy Series G G5 3 4 HP Metering Pump 53 GPH 150 PSI US $800.00
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 BRAN LUEBBE METERING PUMP VL P32 NEW US $799.99
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 ALLDOS 25 2 3772 D13R13 METERING PUMP SYSTEM USED US $750.00
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 3pc PULSAFEEDER 7660 DIAPHRAGM METERING PUMPS USED US $750.00
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 LMI Series Metering Pump US $750.00
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 Prominent Metering Pump Surplus New US $675.00
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 Prominent Vario Metering Dosing Pump VAMB12026PVT000D000 83 GPH 145 PSI New US $674.00
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 Milton Roy LMI Metering Pump Gph 80 Psi 60 120V 36A US $667.00
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 Used LMI model B141 318T1 metering pump US $650.00 |
 ProMinent VARIO VAMc METERING PUMP DOSING PUMP S1BAH10050PVT0010S000 US $649.99
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 LDC MILTON ROY 92014803 MINIPUMP METERING PUMP US $600.00
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 1 NEW PULSATRON LD04SA PHC1 U03 METERING PUMP N3 2 US $515.00
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 LMI Metering Pump Control AP61 66PB US $500.00
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 EASTERN ECD1 S S PUMP TANKS MOTOR METERING SYSTEM US $500.00
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 4 Line Metering Pump and Motor US $500.00
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 Used LMI Milton Roy Chemical Metering Pump Model B141 US $500.00 |
 Walchem E class Metering Pump EHB20R1 HV US $499.99
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 LMI Milton Roy B111 498SI New In Box Metering Pump US $499.99
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 LMI Milton Roy C731 20PMX Metering Pump US $499.99
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 PULSAFEEDER PULSAR 25H DIAPHRAGM METERING PUMP US $499.99
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 LMI MILTON ROY 42 GPH METERING PUMP MODEL A771 352SI US $499.00
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 LMI MILTON ROY 58 GPH METERING PUMP MODEL A741 155HV US $499.00
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 Zenith Kawasaki precision chemical metering pump BMB series US $495.00
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 BRANLUEBBE PROCAM DS 200 144 DIAPHRAGM METERING PUMP 200LPH 10BAR 400V 42039 US $495.00
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 Pulsatron Electronic Metering Pump Series E US $495.00
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 IWAKI Metering Pump EHN B30VC5R NEW US $488.00
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 Milton Roy LMI Metering Pump Gph 058 Psi 250 120V 14A US $456.00
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Pond Pumps and tips on buying the right one
Features such as waterfalls, streams and fountains add a whole new dimension to a garden pond. All of these features require a pond pump to function correctly. The role of which is for the recirculation of water. Movement of water is important for increasing the oxygen content of the pond to keep it healthy.
There are many different types of pond pumps available on the market and choice depends on what the pump is intended for. For example, if your pond design includes a fountain then a fountain pump would be required, which are designed to deliver clean water to fountain attachments. Before going out to purchase a pond pump it is advisable to make a note of the volume of your pond, additional features such as fountains or waterfalls and, therefore the height between the surface of the pond and top of the waterfall to where water is be pumped.
Fish and other inhabitants to a pond constantly produce waste. This waste will cause problems to a pond if allowed to accumulate. A pond lightly stocked with fish and with plenty of plants, may remain in a natural balance. But, for the vast majority of ponds, additional help is required to keep the pond healthy. A pond filter allows for waste removal to keep the pond healthy. Common pond problems are usually linked to poor water quality so it is important that a good quality filter is selected. The type of filter will depend on pond volume and type of pump.
Pond pumps are rated according to how much water they can move over an hour. They will carry a rating listed as GPH (flow rate), which stands for Gallons Per Hour. This rating refers to the amount of water that the pump can move in one hour over a height of 0.3 meters. Therefore, if your garden pond pump will be carrying the water more than a 0.3 meters in elevation, this must be taken into consideration when buying a pump.
How to Calculate Pond Pump Size
The amount of work required by a pond pump depends both on the height and the distance the water must be carried. For every 3 meters of horizontal distance the water must be moved, you need to factor in a height of 0.3 meters. Total height is determined by measuring from the top of the pond pump to the top of the waterfall or fountain. For example, a waterfall 0.3 meters above the ground and pump located at the bottom of a 0.9 meter deep pond, the water must be raised 1.2 meters to fill the waterfall. Where the size of the waterfall or stream is concerned, every inch of width is the equivalent of 150 gallons over the course of an hour. A waterfall with a 4-inch spillway will require a pond pump that produces 600 gallons per hour (3000 liters/hour).
A pond pump should circulate the water at least once per hour. To determine the volume of your pond, multiply the length x width x depth. For every square meter of volume there are 21.5 gallons of water. So, a pond that has a volume of 15 cubic meters will contain roughly 375 gallons of water. From this, you can determine the flow rate needed for proper circulation of the water.
Do remember that a combination of water and electricity are lethal so it is advisable to call in a qualified electrician to install cables for a pond pump and filter to operate.
About the Author
Liners Online supply flexible rubber pond liners, protective pond underlay, pond and fountain pumps and other accessories. Visit our website for more product related information, our blog for tips on anything related to ponds and to use the pond liner size calculator to get the exact liner dimensions required for your pond design.
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