Marine Centrifugal Bilge Pump

CIS Series Marine Horizontal Centrifugal Bilge Pump | ISO-Compliant Marine Drainage Solutions

Product Overview
The CIS Series Marine Horizontal Centrifugal Bilge Pump delivers superior performance in marine drainage applications with its ISO-compliant single-stage, single-suction design. Engineered to match international standard IS pump specifications, these robust pumps handle bilge water, ballast transfer, and general marine drainage with temperatures compatible with standard centrifugal pump operations. Available in standard and high-temperature (R-type) configurations, they provide reliable performance for vessel drainage systems.

Model Identification: IS, CIS(R), CIH80-65-160A(B,C)

IS: International Standard Centrifugal Pump
CIS: Marine Centrifugal Pump Series
R: High-Temperature Hot Water Version
CIH: Marine Horizontal Chemical Pump
80: Inlet Diameter (80 mm)
65: Outlet Diameter (65 mm)
160: Impeller Diameter (160 mm)
A(B,C): First (Second, Third) Stage Impeller Trimming

Technical Specifications

Flow Capacity: 3.2–30 m³/h (50Hz) | 3.84–36 m³/h (60Hz)
Head Range: 3.7–82 meters
Shaft Power: 0.1–7.83 kW
Motor Power: 0.55–15 kW
Efficiency Rating: Up to 69%
NPSH Requirements: 2–2.5 meters

Performance Data Highlights

Model	Capacity (m³/h)	Head (m)	Motor Power (kW)	Efficiency (%)
50-32-125	7.5–15	18.5–22	0.96–1.26	47–60
50-32-160	7.5–15	29.6–34.3	1.59–2.16	44–56
50-32-200	7.5–15	48–52.5	2.82–3.95	38–51
50-32-250	7.5–15	78.5–82	5.87–7.83	28–41