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50hp Marine Bilge Self Priming Sewage Pump ZWL Elf Priming Wastewater Pump

50hp Marine Bilge Self Priming Sewage Pump ZWL Elf Priming Wastewater Pump
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Power: Electric
Pressure: High Pressure
Structure: Single-stage Pump
Usage: Water
Function: Inline Drain Pump
Color: Customized
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Marine Bilge Self Priming Sewage Pump


50hp Self Priming Sewage Pump


ZWL Elf Priming Wastewater Pump

Basic Infomation
Place of Origin: CHINA
Brand Name: RTK
Model Number: ZWL(P)
Payment & Shipping Terms
Packaging Details: plywood
Delivery Time: 7
Payment Terms: L/C, T/T
Supply Ability: 10pcs/week
Product Description
50hp ZWL direct connected marine self-priming centrifugal bilge sewage pump
Product Description

ZW inline drain pump for waste water electric self-priming sewage pump

Electric self-priming sewage pump belongs to self-priming centrifugal oil pump, and the feature is simple construction, easy operation, convenient repairing, high displacement, high efficiency, wide application scope etc.


The pump is composed of suction room, store liquid room, vortex room, liquid returning hole, gas and liquid dividing room etc. The pumps adopt the single-row radial ball bearings, and have the cooling room in the bottom of the bearing stand, and a seal ring is used between the high press and low press area in the pump. They adopt mechanical seals on shaft end.

Item electric self-priming sewage pump
Model ZWL inline drain pump
Material Cast iron/SS304
Motor 100%copper wire, full power
Color Black and adjustable
Theory Centrifugal Pump
Structure Single-stage Pump
Power Electric
Pressure Low Pressure
Impeller Vortex impeller
Mechanical Seal Alloy and silicon carbide
Capacity 1.1-720m³/h
Head 8-150m
Power 0.37-160kw
Speed 1450-2900r/min
Outlet Diameter 25-500mm
OEM Acceptable


Application of inline drain pump

. Hot and cold water distribution and circuits
. Water supply of houses,high buildings and hotels
. Fire fighting pressure boosting
. For all industries where chemically neutral,non-explosive clear liquids without abrasive particles


Advantages about electric self-priming sewage pump

. High hydraulic efficiency

. Low electrical consumption
. Low sound levels
. Almost maintenance free


Motor about electric self-priming sewage pump

. Standardised with flanges. Coupled to the pump by rigid coupling
. Speed: 1450 & 2900 rpm
. Winding 3-phase ≤3 kW : 230V/50 Hz OR 400V/50 Hz
3-phase ≥4 kW : 400V/50 Hz
. Insulating class: F
. Protection: IP55
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