Marine Water Heater Manufacturer

ZDR Series Marine Water Heater Manufacturer – Steam & Electric Heating System for Ships & Offshore Platforms

Product Overview
We are Marine Water Heater Manufacturer. The ZDR Series Steam-Electric Heating Hot Water Tank delivers versatile and reliable hot water solutions for marine and offshore applications. This advanced dual-power system combines both electric and steam heating technologies to ensure continuous hot water supply for crew accommodations, sanitation facilities, and service operations. Engineered with robust marine-grade materials and intelligent temperature control systems, the ZDR Series provides efficient performance while meeting stringent international maritime standards and classification requirements.

Key Features & Benefits
• Dual Heating Technology – Electric and steam heating options for operational flexibility and redundancy
• Multiple Capacity Options – 0.12 to 1.5 m³ models suitable for various vessel sizes
• Intelligent Temperature Control – Automatic regulation between 50°C-65°C with WTZK-50-C controllers
• Safety Compliance – Pressure relief safety valve (0.42 MPa) and dry-fire protection
• Thermal Efficiency – 40mm insulation layer with 0.7mm galvanized steel cladding
• Global Power Compatibility – AC380V/50Hz/3φ or AC440V/60Hz/3φ operation
• IMO & Class Certified – Approved by all major classification societies

Technical Specifications

Model	Capacity (m³)	Electric Power (kW)	Steam Pressure	Electric Output	Steam Output	Steam Consumption
ZDR-0.12	0.12	6 kW	0.3 MPa	90 kg/h	275 kg/h	27.5 kg/h
ZDR-0.2	0.2	9 kW	0.3 MPa	140 kg/h	450 kg/h	45 kg/h
ZDR-0.3	0.3	12 kW	0.3 MPa	180 kg/h	750 kg/h	75 kg/h
ZDR-0.5	0.5	18 kW	0.3 MPa	280 kg/h	1200 kg/h	120 kg/h
ZDR-1.0	1.0	24 kW	0.3 MPa	360 kg/h	3250 kg/h	325 kg/h
ZDR-1.5	1.5	36 kW	0.3 MPa	540 kg/h	3259 kg/h	325 kg/h

Pressure & Temperature Ratings:

Working Pressure: 0.4 MPa (at 60°C)
Design Pressure: 0.44 MPa
Test Pressure: 0.68 MPa
Safety Valve Setting: 0.42 MPa
Inlet/Outlet Temperature: 15°C / 65°C
Design Temperature: 80°C

Operating Principle & Control System

Dual Heating Modes:

Electric Heating: Automatic activation below 50°C, shutdown at 65°C
Steam Heating: Temperature regulating valve control between 50°C-60°C
Automatic Switching: Intelligent selection based on availability and efficiency

Safety & Monitoring Systems:

Dual WTZK-50-C Temperature Controllers – Precise temperature regulation
Float Level Switch – Prevents dry firing by cutting power when water level is low
Pressure Gauge – Real-time system pressure monitoring
Thermometer – Continuous temperature display
Safety Valve – Pressure relief at 0.42 MPa

Installation & Operation Guidelines

System Setup:

Temperature Calibration – Set regulating valve to 50°C-60°C range
Controller Configuration – Program temperature controllers for 50°C-65°C operation
Safety Valve Setting – Adjust to open at 0.42 MPa overpressure
Pipe Connection – Ensure proper flow direction and installation orientation

Normal Operation: