Regarding keeping water pressure from getting past the lens any thoughts/facts on what is more effective, using properly sized o-rings or using either silicone sealant or underwater putty epoxy to just seal up the area? In a manufacturing sense (assembly line) I can see that an o-ring is

An o-ring is a round, mechanical gasket designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the 

An O-ring is a precisely molded shape with a specific profile to fit into a specific channel or groove and are known for their ability to seal extremely high pressures. Gaskets are by far the most

Terminology note: Any o-ring can technically be called a gasket since they prevent the transfer of liquid and air, but while o-rings are a specific shape of 

O-rings and grommets are both shaped like the letter “O,” but they are used for different purposes. O-rings are used to prevent leaks. You can 

Elastomeric 'O' rings work together with the glands within which they are installed. These glands, which are normally cut from the metallic hardware, work with 

While technically considered gaskets, the material o-rings are made from actually differs from that of most gaskets. O-rings are commonly made from neoprene, 

Gaskets are pieces of material used to make a mark between two flat surfaces, usually with a binding compound. O-rings are circular, ring-shaped rings that must be placed in a trench to form a mark between the two parts. The O-ring is a cover in a circular shape . Gaskets are flat signs that can be made in any needed situation.

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A gasket, also known as an O-ring or washer, seals the gap between two surfaces. In most cases, these items are made of rubber and are available in a variety of sizes and shapes depending on their purpose. The most common type of gasket is the flat gasket. It has a cross-section that is circular in shape.

The simple answer is that the O-ring requires a channel or groove in the flanges, while a gasket can perform with a simpler, flat flange. O-rings are typically used when pressures are higher, with the channel present to prevent blowout. Choose Your Technology