Scuba cylinder valve

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== Scuba Cylinder Valve ==

A scuba cylinder valve is a critical component of scuba diving equipment, used to control the flow of compressed gas from a scuba cylinder to the regulator. The valve ensures that the diver can safely access the breathing gas stored in the cylinder while underwater.

Types of Scuba Cylinder Valves

There are several types of scuba cylinder valves, each with specific features and applications:

• K-Valve: The most common type of valve, featuring a simple on/off mechanism. It is widely used in recreational diving.
• J-Valve: An older design that includes a reserve mechanism, which provides a warning when the air supply is low.
• DIN Valve: A more secure valve type that screws directly into the regulator, providing a stronger seal and reducing the risk of accidental disconnection. Commonly used in technical diving.
• Y-Valve: Allows the attachment of two regulators to a single cylinder, providing redundancy for safety.

Components of a Scuba Cylinder Valve

A typical scuba cylinder valve consists of several key components:

• Handwheel: Used to open and close the valve.
• Burst Disk: A safety feature that prevents over-pressurization by rupturing at a predetermined pressure.
• O-Ring: Ensures a watertight seal between the valve and the regulator.
• Valve Stem: The internal mechanism that controls the flow of gas.

Maintenance and Safety

Proper maintenance of scuba cylinder valves is essential for safe diving. Regular inspections and servicing by a qualified technician can prevent malfunctions. Divers should also be familiar with the operation of their specific valve type and perform pre-dive checks to ensure functionality.

Related Pages

• Scuba diving
• Scuba cylinder
• Regulator (scuba)
• Technical diving
• Compressed gas

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