Marine Vertical Ballast Water Pump

CLH Series Marine Vertical Ballast Water Pump | ISO-Compliant High-Capacity Ballast Transfer Solutions

Product Overview
The CLH Series Marine Vertical Ballast Water Pump delivers exceptional performance in vessel stability operations with its ISO-compliant single-stage, single-suction vertical centrifugal design. Featuring horizontal inlet/outlet configuration and flanged motor-pump shaft connection for easy maintenance, these pumps are specifically engineered for high-flow, low-head ballast water transfer applications. Installed at vessel bottoms to utilize natural liquid column height, they eliminate dry suction requirements while providing reliable ballast management for various ship types.

Model Identification: CLH50-160(I)A(B,C)

CLH: Marine Vertical Seawater Pump
50: Inlet/Outlet Diameter (50 mm)
160: Nominal Impeller Diameter (160 mm)
I: Flow Classification
A(B,C): First (Second, Third) Stage Impeller Trimming

Technical Specifications

Flow Capacity: 1.1–5.2 m³/h (50Hz) | 1.3–6.2 m³/h (60Hz)
Head Range: 7–33 meters
Motor Power: 0.18–1.5 kW
Operating Speed: 2900/3500 RPM
NPSH Requirements: 2.3 meters
Efficiency Rating: Up to 42%
Installation: Vertical space-saving design

Performance Data Highlights

Model	Capacity (m³/h)	Head (m)	Motor Power (kW)	Efficiency (%)
15-80	1.1–2.0	7–8.5	0.18–0.25	26–34
20-110	1.8–3.3	13.5–16	0.37–0.75	25–35
20-125	1.8–3.3	18.6–21	0.75–1.1	30–35
25-110	2.8–5.2	13.5–16	0.55–0.75	34–42