Full Range of Marine Valves – Reliable Flow Control for Vessel Piping Systems

Publish Time: 2026-09-21     Origin: Site

In a vessel‘s piping system, valves are often described as the “throat” of the pipelines – they control the flow, pressure, and direction of media such as bilge water, ballast water, fuel oil, fresh water, steam, and air. Their performance directly impacts navigation safety, equipment operation, and environmental protection.


DEYUAN MARINE, a professional marine equipment supplier, has been deeply engaged in the field of vessel pipeline control, offering a full range of marine valves – including Globe Valves, Gate Valves, Ball Valves, Butterfly Valves, Safety Valves, Pressure Reducing Valves, and High-Velocity Relief Valves – providing safe and reliable fluid control solutions for vessel piping systems.


1. The Importance of Marine Valves

Marine valves are pipeline control devices specifically designed to meet the unique environmental conditions of vessels, used to control the pressure, flow rate, and flow direction of fluids in shipboard piping systems. Their basic functions include:

Function

Description

Open/close media flow

Control pipeline system on/off

Change flow direction

Pipeline switching and distribution

Regulate pressure and flow

Maintain stable system operating parameters

Protect pipeline equipment

Over-pressure protection, backflow prevention

Marine valves are widely used in fresh water, seawater, air, steam, fuel oil, lubricating oil and other piping systems.


2. Deyuan Marine Valve Product Series

Deyuan Marine offers the following main valve types:

Category

Product Types

Typical Applications

Globe Valves

Straight-through,Y-type,Angle, Piston-type

On/off and flow regulation

Gate Valves

Electric, Manual

Large-diameter pipeline on/off

Ball Valves

Fixed, Floating

Quick opening/closing, good sealing

Butterfly Valves

Concentric, Eccentric

Large flow regulation, compact

Safety Valves

Full-lift

Over-pressure protection, pressure relief

Pressure Reducing Valves

Specialised

Pressure regulation and stabilisation

High-Velocity Relief Valves

Pressure/Vacuum

Tanker/chemical carrier cargo tank venting


3. Key Technical Features

3.1 Marine-Grade Design

Deyuan Marine valves are designed and manufactured to meet demanding marine conditions, including high temperature, high humidity, vibration, and vessel motion. Key components are made from corrosion-resistant materials including Stainless Steel 304/316L, Nickel-Aluminium Bronze (NAB), and copper alloys, ensuring long-term reliable operation.


3.2 Reliable Sealing Performance

Valve seals utilise high-performance sealing materials such as PTFE and FKM, ensuring zero or low leakage across various media and temperature conditions. For demanding applications such as tankers and chemical carriers, products are designed to meet VOC emission control requirements.


3.3 Full Range with Strong Adaptability

Deyuan Marine valves are available in sizes from DN15 to DN350, with pressure ratings from PN1.0 to PN25.0MPa, compatible with GB, DIN, ANSI, JIS and other flange standards, meeting the needs of both newbuilding and retrofit projects.


3.4 Intelligent & Remote Control Options

Deyuan Marine offers electric valves, electro-hydraulic valves, pneumatic valves and other remote-control types that can be integrated into vessel automation systems for remote operation and centralised monitoring, enhancing vessel modernisation.


4. Classification Society Approvals

Deyuan Marine valves are available with Type Approval Certificates from major classification societies: CCS, ABS, BV, DNV, LR, NK...

Products are designed and manufactured in compliance with ISO, IMO, MSC/Circ.1009 and other relevant international standards.

Contact us

Full Range of Marine Valves – Reliable Flow Control for Vessel Piping Systems

Aluminum Sacrificial Anodes

Solving Difficulties in Steel Wire Rope Maintenance: Deyuan Marine’s Steel Wire Rope Cleaning-Lubrication System Empowers Safe and Efficient Industrial Operation

Marine Water Mineralizer

Selection Guide And Core Advantages of Deyuan Marine Genset