Large size sand dredging pump with gearbox

pump parameters

    1. Size range (discharge):200-1000mm
    2. Capacity: 10-25000 m3/h
    3. Head: 20-85m
    4. Impeller type: Non-clog (3/5vans)
    5. Shaft sealing: Packing/ Mechanical
    6. Wet parts material: A05,A07, Steel

pump structure features

    Zidong Brand ZN sand dredging pumps are specially designed for dredge boat around river mud delivering.
    It’s single-stage, single-suction, centrifugal pumps with reliable structure and design.

    1. Good structure design for marine using.
    200ZN-500ZN series are single casing and 600ZN-1000ZN are two casing structure.
    They both apply forward disassemble way and easy maintenance. According to the connection
    with the pump working part, two structures can be offered: self-carrying bracket and pump integrated
    with gearbox.The lubrication for the bracket is grease or thin oil.
  
    2. Good Dredging Performance
    Good cavitations performance makes sure the pump high suction capacity and allows high head and heavy
    concentration dredging. The impeller with width channel allows a large flow and high head.

    3. Good Anti-abrasiveness Pump Wet Parts
    All wet parts are made by top anti-abrasive chromium alloy with good impact resistance and
    anti-abrasiveness.

    4. Bearing Seal Type
    200ZN~500ZN dredging pump apply mechanical sealing and packing seal. 
    600ZN~1000ZN dredging pump equipped with L-type spiral rubber seal which consist of 3L-ring of
    1 sleeve to ensure the bearing sleeve water clean, it also equipped with sand water separator.