Marine freshwater pressure system
hydrophore system
constant, pressurised freshwater — wherever it's needed.
The JOWA Hydrophore System is a marine freshwater pressure system designed to maintain a stable and reliable supply of pressurised potable water throughout a vessel. Built for demanding marine applications, it delivers dependable water pressure while ensuring safe, hygienic and efficient freshwater distribution.
Application
Potable water pressure system
Construction
Marine-grade stainless steel pressure vessel
Function
Automatic pressure regulation
hydrophore system
The JOWA Hydrophore System is a marine freshwater pressure system designed to maintain a stable and reliable supply of pressurised potable water throughout a vessel. Built for demanding marine applications, it delivers dependable water pressure while ensuring safe, hygienic and efficient freshwater distribution.
built for the job
A marine-grade pressure system engineered for stable freshwater delivery and long service life onboard.
Vessel material
Stainless steel
Configuration
Special size
on request
Certification
All major
class societies
constant pressure, minimal cycling
The Hydrophore System's pressure vessel design helps maintain steady freshwater pressure across the vessel while minimising how often the pump has to run — reducing wear and energy consumption over the system's lifetime.
Construction
Stainless steel pressure vessel
Delivery format
Component or complete ready-mounted unit
Pressure vessels, circulation pumps and other equipment can be supplied separately or as complete, ready-mounted units with pump, control cabinet, piping and valves.
main features
- Constant water pressure maintained throughout the vessel
- Hygienic water storage that protects potable water quality
- Marine-grade construction for long-term performance in harsh environments
- Flexible system integration with a wide range of freshwater production and storage systems
main advantages
- Reliable, uninterrupted freshwater distribution to onboard facilities
- Reduced pump cycling, minimising wear and energy consumption
- Accessible components for easy, routine maintenance
- Corrosion-resistant materials for a long service life
configuration & system integration
JOWA produces a wide variety of hydrophore and pressure-boosting units for ship and offshore use, sized and configured to match each vessel's freshwater system.
Construction
Stainless steel
Sizing
Special size on request
Complete units are supplied ready-connected with control cabinet, piping and valves.
Read more on Hydrophore System specifications →ready-mounted for easy installation
The Hydrophore System can be supplied as a complete, ready-mounted unit with pump, control cabinet, piping and valves — simplifying installation for both retrofit and newbuild freshwater systems.
Suitable for a wide range of ship and offshore applications.
how it works
From pressure storage to automatic delivery — how the Hydrophore System keeps freshwater flowing at a stable pressure.
Built to the highest standard
compliance & certification
The Hydrophore System is manufactured to marine-grade standards, with certification available depending on the model to give shipowners confidence in class approval and survey.
Marine-grade construction and certification across the JOWA Hydrophore range.
class approvals
JOWA Hydrophore Systems are available with all major class society approvals, with marine certification available depending on the specific model and configuration selected.
Confirm the exact approvals held for your selected model and configuration with JOWA.
durable, corrosion-resistant construction
Built from corrosion-resistant, marine-grade materials, the Hydrophore System is designed for a long service life with accessible components that simplify routine servicing.
Marine-grade, corrosion-resistant construction built for long-term reliability at sea.
hydrophore system
Full technical specifications, approvals and documentation for the Hydrophore System.
technical specifications
Application
Potable water pressure system
Installation
Marine vessels — ship and offshore use
Construction
Marine-grade, corrosion-resistant stainless steel pressure vessel
Function
Automatic pressure regulation, reducing pump cycling
System integration
Compatible with a wide range of freshwater production and storage systems
Delivery format
Supplied as individual components (vessel, pump) or as a complete, ready-mounted unit with control cabinet, piping and valves
Sizing
Special size available on request
Compliance
Marine certification available depending on model
Manufacturer: JOWA. The JOWA brochure covers multiple configurations rather than a single fixed specification sheet — confirm exact figures for your selected model.
approvals & certification
Class approvals
All major class societies
Certification
Marine certification available depending on model
Confirm the specific certificate applicable to your vessel's flag and selected model with JOWA.
documentation
Product brochure
JOWA Hydrophore & Calorifier brochure
Declaration of Conformity
MD and SDoC — Hydrophore
Link the PDF documents supplied by JOWA (brochure and MD/SDoC declarations) here once uploaded to your WordPress Media Library.