Marine Quick Closing Valve

If you’re in the shipping or maritime industry, you know that a Marine Quick Closing valve (or MQCV) is a vital safety tool. It’s designed to quickly shut off the flow of fluids, like water, through a vessel’s pipelines in the event of an emergency. 

If the vessel’s hull, machinery, or piping systems are damaged, the MQCV’s job is to stop any flooding or spills from happening. They’re essential for keeping a ship safe and sound, as they make sure important areas stay dry during unexpected maritime disasters.

Types of Marine Quick Closing Valve

Butterfly Quick Closing Valve

Butterfly Quick Closing Valve

The Butterfly quick closing valve, also known as a butterfly disc, is a maritime valve used to quickly shut off the flow of liquids through a ship’s pipelines in the event of an emergency.

Gate Quick Closing Valve

Gate Quick Closing Valve

For marine applications, a gate quick closing valve uses a sliding gate to quickly stop the flow of fluids, helping to prevent potential disasters such as floods or oil spills.

Ball Quick Closing Valve

Ball Quick Closing Valve

The ball quick closing valve is a device that uses a hole in a ball to control the flow of fluid. This allows for quick isolation of parts of a boat's piping system and closure of these parts in emergencies.

Needle Quick Closing Valve

Needle Quick Closing Valve

The needle quick closing valve has a plunger shaped like a pointed needle and can be inserted into a seat to rapidly stop the flow of fluids, making it suitable for precise control in emergencies.

Duckbill Quick Closing Valve

Duckbill Quick Closing Valve

Quick closing valves with duckbills are the best way to stop backflow or seal leaks in marine systems. They have a flexible rubber/elastomer duckbill part that seals off pipes quickly when pressure is applied.

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About Us

We are Leading Marine Quick Closing Valve Manufacturer

If you’re looking to keep your boat running smoothly, you need to make sure you have a Marine Quick Closing Valve. 

These valves are essential for controlling the flow of fluids, especially in emergencies. To ensure your boat is reliable and safe, it’s important to choose a reputable manufacturer for QC Valves like us. Here’s why:

Quality Assurance

As a leading manufacturer, we use standardized quality control procedures to make sure their valves are reliable and safe. They use high-quality parts and advanced manufacturing processes that meet or exceed industry standards.


We ensure that our valves comply with international maritime regulations, including those established by the IMO, ABS, or other relevant classification societies. This compliance is essential to ensure that the valves can be safely used on vessels.


When an emergency arises, QC Valves are essential for stopping the flow of gasoline or other potentially dangerous liquids. The importance of reliability cannot be overstated, and Rongkang as a reputable manufacturer has a history of creating valves that work consistently under adverse circumstances.

Contact Us

Qingdao Rongkang Valve is one of the top providers of marine quick closing valves in the industry. Providing nothing but the best performing valves for all applications, hurry and get your quote today.

Applications of Marine Quick Closing Valve

Maritime Shipboard System

Maritime Shipboard System

Vessel Safety Operations

Vessel Safety Operations

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Frequently Asked Questions

A QCV (Ship’s Quick Closing Valve) is a vessel-specific valve utilized in maritime systems for the immediate isolation of a specific segment of a piping system or the sudden cessation of the flow of fluids or gases in the event of an emergency. Ship’s Quick Closing Valve parts (QVCs) are an integral part of ship safety and can be found in a wide range of fluid handling systems, including those that process fuel oil and lubricating oil as well as water and steam.

A Quick Closing Valve (QCV) rapidly stops fluid or gas flow using a specialized actuation mechanism. It can be manually or remotely controlled and is triggered by sensors or critical situations. When activated, the QCV quickly closes, forming a tight seal to prevent leakage or backflow.

A rapid exhaust valve is a pneumatic component used in various industrial applications. It is sometimes referred to as a quick exhaust air valve or simply a quick exhaust. Its main benefit is the acceleration of compressed air exhaust from a pneumatic cylinder, which has the following advantages:

  1. Faster Cylinder Movement
  2. Reduced Energy Consumption
  3. Enhanced Control
  4. Minimized Heat Generation
  5. Extended Cylinder Life
  6. Improved Safety
  7. Compact Design