SP Non clogging self priming sewage pump
Technical parameters: Flow: 7m³/h ~ 26m³/h; Head: 10m ~ 27m; Power: 2.2kW ~ 3kW; Liquid temperature: 0℃ ~ +40℃; Frequency: 50Hz/60HZ Application: sewage system, sewage treatment, industrial water treatment, other industrial applications
Description
Features
SP Non-clogging self-priming sewage pump is our latest developed product, and is suitable for the treatmentproject of municipal sewage and industrial sewage as well as stage treatment and concentrated treatment system ofvarious sewages. It's known as "King of Self-priming Sewage Pump" , and it is the most ideal new-generation sewageproduct.
Stable performance, reliable operation.
●Rapid self-priming, high suction head.
●Back-pull-out construction: Convenient for maintenance and troubleshooting. Daily maintenance can be per-formed rapidly by common tools, saving time and labor.
●Semi-open impeller structure and non-clogging design: Strong passing capacity. Diameter of maximum pa-ssing grain for SP-6 is 76mm.
●Convenient usage: The pump can be mounted near cesspit, with only the suction pipe down in the liquid.
(The pump shall be filled with water for first start).
Operating Limits
●Liquid temperature: 0 °C~40 °C, medium density≤1.2X10'kg/m2, pH5~9.
●Volume ratio of solids in the medium≤2%.
●Diameter of maximum grain: SP-2 38mm, SP-3 63mm, SP-4/SP-6/SP-8/SP-10 76mm.
●Ambient temperature: ≤40 °C.
●Altitude: Max. 1,000m.
●Flow range:10m2/h~750m2/h.
●Head range:3m~38m.
●Power:1.1kW~90kW.
●Max. Working pressure: See Performance Curve.
●Max. Suction head: See Performance Table.
Application
●Non-flammable and non-explosive liquid.
●Rain water and common sewage.Municipal drainage project, construction site, drainage station of people's air defense system.Industrial sewage of light industry, paper mill, textile, food processing plant, chemical industry, electric util-ity, mines,etc.
●Sewage discharge in the residential area.
●Sewage and deposit of water purifying system.
●Tanning industry, sewage of slaughter house, fish breeding in the river and pond.
●Wine and sugar industry.
●Discharge not strongly corrosive but seriously polluted sewage.
Installation Conditions
●Suction pipe can be soft pipe or hard pipe, the material of pipes shall be suitable for the pumped liquid. Softpipe shall be hard enough to prevent from flat when suction.
●Suction pipe shall be short and straight, use less joints and accessories as less as possible. For joints, the ra-dius shall be bigger.
●The distance between the submersible suction pipe in the sump and the wall of the sump shall be 1.5 timesthan the radium of the pipe. Suction pipe shall not installed in the sump near the whirlpool.
●If there is, there shall beone baffle between suction pipe and water. The distance shall be 1.Stimes than the radius of the pipe..
●If there are two suctions in the sump, the pipe distance shall be three times than the radius of the pipe.Submersible depth of the submersible suction pipe:
The submersible depth of the suctionpipe relates to the flow rate in the pipe. Seedrawing one
To reduce the submersible depth, wecan enlarge the pipe radius or reduce the fl-ow rate of the water. We can use increasingjoint to enlarge the radium pipe. The sugg-ested times is 1.3 times to 1.5 times.
●In flooded status, there is inlet pre-ssure. It shall not exceed 50% of the max.working pressure.
●If use the strainer, the face area ofthe strainer shall be 4 to 6 times than the r-adius of the pipe. And ensure the max. dia.of the strainer hole to pass granules shall beless than the granule pump allowed.
Section Drawing
Material
| NO. | Parts | Material |
| 1 | Suction Inlet | Cast iron |
| 2 | Flap Valve | NBR+Carbon steel |
| 3 | Infusion Cover | Cast iron |
| 4 | Discharge Outlet | Cast iron |
| 5 | End Cover | Cast iron |
| 6 | Wear Plate | Carbon steel |
| 7 | Impeller | DCI |
| Cast steel | ||
| 8 | Volute | Cast iron |
| 9 | Impeller Cover | Cast iron |
| 10 | Mechanical Seal | WC/WC |
| 11 | O-Ring | NBR/FPM |
| 12 | Shaft | Stainless steel |
| 13 | Bearing Body | Cast iron |
| 14 | Bearing Cover | Cast iron |
| 15 | Inlet cover | Cast iron |
| 16 | Inlet | Cast iron |
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