Features -
SP Non-clogging self-priming sewage pump isour latest developed product, and issuitable for the treatment project of municipal sewage and industrial sewage as well as stage treatment and concentrated treatment system of various sewages. It's known as "King of Self-priming Sewage Pump", and it is the most ideal new-generation sewage product.
• Stable performance, reliable operation
• Rapid self-priming, high suctionhead
• 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 watr for first start).

Operating limits -
• Liquid temperature: 0 °C~40 °C, medium density< 1.2 x 10³ kg/m³, pH5~9.
• Volume ratio of solids in the meditun-< 2%.
• Diameter of maximum grain: SP-2 38mm, SP-3 63mm, SP-4/SP-6/SP-8/SP-10 76mm.
• Altitude: Max. 1,000m
• Flow range:(10-300)m³/h.
• Head range:3m~38m.
• Altitude: Max. 1,000m
• 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.