Rectangular Cross Section O Rings

Nominal cross section o rings.

Rectangular cross section o rings. Wherever possible use a backup ring on each side of the o ring. These o rings have a square profile with flat edges on all four sides. Buna n o rings nitrile o rings nbr. For technical drawings and 3 d models click on a part number.

Use them to extend the life of your o rings and improve their performance in high pressure applications. In de signing this new group of o rings we left spacing in the part numbers to allow us to add additional sizes should they be required. Rings for claw clamp and bolt together high vacuum fittings for stainless steel tubing. These ptfe backup rings resist harsh chemicals such as acetone fluorinated solvents methanol and many acids.

All you need to do is measure the internal diameter id or outside diameter od and the width or cross section c s of the o ring. Ptfe backup o rings are designed to be used in conjunction with standard o rings to help prevent extrusion in high pressure applications or where extrusion gaps are excessive. Buna n o rings also referred to as nbr o rings and nitrile o rings are the most widely used o ring material in the world because of low cost good mechanical performance with resistance to water most basic oils lubricants and some fuels many pneumatic hydraulic systems propane natural gas and the. Until now o ring standards have left a gap between the 1 8 and 3 16 nominal cross sections.

The diagram shows exactly where these dimensions are to be found. The rectangular cross section of the groove will follow the suggested guidelines in the o ring handbook. Please contact us if you are looking for a size not shown in the 5 32 group. For those times when hardware real estate is at a premium and we simply cannot increase the inside corner radii to the desired size an alternative option is the o seal.

Rectangular cross section features a split for easy installation. Ptfe backup o rings are designed to be used in conjunction with standard o rings to help prevent extrusion in high pressure applications or where extrusion gaps are excessive. Rectangular cross section features a split for easy installation. Rectangular geometry and manufacturing process allow for greater design flexibility no flash voids non fills or parting lines wide selection of sealing grade materials available custom cross section dimensions from 0 030 to 18 in id no molds required rectangular cross sections extruded and precision cut seals.

O rings are actually really easy to measure. They cover more surface than round profile o rings for a better seal in static applications such as hose pipe and faucet connections.