When using oxygen Why should the cylinder valve be fully opened?

They create enough heat to ignite anything they come in contact with. Even particles of dust in the valve can ignite an oxygen-enriched fire. By opening the valve slowly and completely, you ensure that the oxygen is released safely.

How far do you open the oxygen bottles handwheel?

Recommended opening procedure: The diaphragm valve handwheel travels about ¾ turn from fully open to closed.

How far should the oxygen cylinder valve be opened for welding and cutting?

Oxygen acetylene welding is also commonly referred to as Oxy-Acetylene. The cylinder valve should only be opened 3/4 of a turn. The acetylene cylinder should never be laid down as this will result in the gas becoming unstable.

Why should a cylinder valve never be opened quickly?

Opening valves too quickly can cause high-pressure gas to damage the regulator and valve seals.

When opening cylinder valves one should?

Before opening the cylinder valve, make sure the pressure regulator adjusting screw, or T handle, is turned out, or counterclockwise. Charge the regulator by cracking the cylinder valve open slowly. This will prevent damage to the regulator seats from the sudden heat of compression.

What is the procedure for opening the oxygen cylinder valve?

Open the valve slightly and verify the cylinder is free of oxygen charge. Do not remove the valve from cylinders containing any charge (pressure). Secure the cylinder, use a wrench that fits the valve body and manually supply enough force to break the valve free from the cylinder.

Does oxygen or acetylene open first?

We recommend closing the oxygen valve first whenever turning off an oxy-fuel torch system especially when Acetylene is fuel.

When should you close the cylinder valve?

A cylinder in such a system should be shut off and removed from the system when the pressure remaining in the cylinder is at least 172 kPa (25 psi/in2). If there is a possibility that the container has been contaminated, it should be so labeled and returned to the supplier.

What must be closed before the cylinder valves are opened?

Before a regulator is removed from a cylinder valve, the cylinder valve shall always be closed and the gas released from the regulator. If, when the valve on a fuel gas cylinder is opened, there is found to be a leak around the valve stem, the valve shall be closed and the gland nut tightened.