ZDR-0.3 Marine Dual-Power Hot Water Heater – Electric & Steam Heating System for Ships & Offshore Platforms
Product Overview
The ZDR-0.3 Marine Hot Water Heater is a versatile marine-grade heating solution designed to provide reliable hot water for crew accommodations and service facilities aboard ships and offshore platforms. This advanced dual-power water heater offers both electric and steam heating options, ensuring continuous hot water supply regardless of vessel operating conditions. Engineered with robust materials and multiple safety features, the ZDR-0.3 delivers efficient performance while meeting international marine standards and classification requirements.
Key Features & Benefits
• Dual Heating Technology – Electric (36 kW) and steam (0.3 MPa) heating options for operational flexibility
• Marine-Grade Construction – Built with corrosion-resistant materials for harsh marine environments
• Efficient Thermal Performance – Heats water from 15°C to 65°C with 750 kg/h capacity
• Safety Compliant – Safety valve protection (0.42 MPa opening) and pressure-rated design
• Thermal Insulation – 40mm insulation layer with 0.7mm galvanized steel exterior reduces heat loss
• Global Power Compatibility – AC380V/50Hz/3φ or AC440V/60Hz/3φ operation
• Classification Certified – Available with all major marine class certificates
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ZDR-0.3 |
| Capacity | 0.3 m³ |
| 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 Water Temperature | 15°C |
| Outlet Water Temperature | 65°C |
| Working Temperature Range | 0-65°C |
| Design Temperature | 80°C |
| Steam Pressure | 0.3 MPa |
| Steam Consumption | 75 kg/h |
| Electric Heating Power | 36 kW |
| Heated Water Capacity | 540 kg/h (Electric), 750 kg/h (Steam) |
| Power Supply | AC380V/50Hz/3φ or AC440V/60Hz/3φ |
| Thermal Insulation | 40 mm |
| External Cladding | 0.7 mm galvanized steel |
Connection Interfaces & Piping
| Connection Point | Size | Function |
|---|---|---|
| Cold Water Inlet | DN32 | Connects to freshwater pressure tank (0.36-0.38 MPa) |
| Hot Water Outlet | DN32 | Supplies heated water to vessel distribution system |
| Water Return Interface | DN32 | Connects to hot water return for circulation heating |
| Steam Inlet | DN20 | Connects to temperature regulating valve outlet |
| Steam Outlet | DN20 | Connects to condensate water piping system |
| Discharge Outlet | 3/4″ | Drains to bilge for complete tank emptying |
| Safety Valve Outlet | ZG1/2″ | Discharges overpressure water to bilge |
System Integration & Operation
Dual Heating Modes:
-
Electric Heating: 36 kW heating elements for primary heating operation
-
Steam Heating: 0.3 MPa steam system for alternative heating source
-
Automatic Temperature Maintenance: Maintains consistent 65°C output temperature
Safety Features:
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Pressure-rated design exceeds working pressure requirements
-
Safety valve protection prevents overpressure conditions
-
Thermal insulation protects personnel and improves efficiency
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Marine-grade materials resist corrosion in saltwater environments
Certification & Compliance
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Classification Society Approvals: Available for all major marine classification societies
-
International Standards Compliance: Meets marine safety and performance requirements
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Quality Assurance: Comprehensive testing and certification documentation available
The description/sizes may be different with goods, please check with us when order.
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