Marine Fresh Water Heater

ZRG Series Steam Heating Hot Water Tank | Marine Fresh Water Heater | IMO Certified

High-Efficiency Steam-Powered Marine Water Heating System

The ZRG Series Marine Fresh Water Heater provides reliable, efficient hot water generation for marine freshwater systems using ship’s steam supply. Engineered with premium SS304 stainless steel construction and advanced temperature control, this class-certified hot water tank delivers consistent performance for crew accommodation and service needs while meeting stringent marine safety standards.

Key Features & Benefits

✔ Premium SS304 Construction – Corrosion-resistant stainless steel for long service life
✔ Precision Temperature Control – Automatic regulation between 50-65°C optimal range
✔ Safety Certified – 0.63 MPa safety valve with overpressure protection
✔ Energy Efficient – Low steam consumption with high heating capacity
✔ Global Certification Ready – Designed for ABS, DNV, BV, LR, CCS approvals

Technical Specifications

Model	ZRG-0.12	ZRG-0.2	ZRG-0.3	ZRG-0.5	ZRG-1.0
Capacity (m³)	0.12	0.2	0.3	0.5	1.0
Working Pressure	0.6 MPa (60°C)	0.6 MPa (60°C)	0.6 MPa (60°C)	0.6 MPa (60°C)	0.6 MPa (60°C)
Design Pressure	0.7 MPa	0.7 MPa	0.7 MPa	0.7 MPa	0.7 MPa
Test Pressure	1.05 MPa	1.05 MPa	1.05 MPa	1.05 MPa	1.05 MPa
Heating Capacity	275 kg/h	450 kg/h	750 kg/h	1200 kg/h	3250 kg/h
Steam Consumption	27.5 kg/h	45 kg/h	75 kg/h	120 kg/h	325 kg/h
Steam Pressure	0.3 MPa	0.3 MPa	0.3 MPa	0.3 MPa	0.3 MPa
Insulation Thickness	40 mm	40 mm	40 mm	40 mm	40 mm

System Components & Materials

Component	Material	Function
Main Body	SS304 Stainless Steel	Primary water storage vessel
Support Frame	Q235-A Steel	Structural support system
Steam Heater	Assembly	Steam-to-water heat exchange
Temperature Control Valve	Assembly	Automatic temperature regulation
Pressure Gauges	Assembly	Water & steam pressure monitoring
Safety Valve	Assembly	Overpressure protection (0.63 MPa)
Liquid Level Controller	Assembly	Water level management