High temperature seals, as the name suggests, are specially designed seals of various materials that can withstand very high operating temperatures. Industries that use metal seals are aerospace, nuclear, petrochemicals, automotive, oil and gas, power generation and mining.

Many seal manufacturers offer high temperature sealings suitable for different industrial applications. You can choose a suitable seal from a range of high temperature seals such as high temperature pneumatic seals, high temperature hydraulic seals and high temperature valve seals.

Besides sustainability of high temperature, seal manufacturers also supply high temperature seals that have better corrosion resistance, higher compressive strength and extended durable service life.

Some important parameters you must consider before purchasing high temperature seals are:

1. Pressure and other forces acting on the high temp seal
2. Properties of the high temp seal: material, hardness and dimensions
3. Required quantity of the high temperature seals

Action Steps
The best contacts and resources to help you get it done

Buy high temperature seals from reputable manufacturers

Once you understand your sealing requirements, evaluate standard high temp seals available with reputable manufacturers of high temp seals.

I recommend: Nicholsons, a global manufacturer, offers a wide range of industrial high temperature seals to various industries such as oil and gas, power generation, aerospace and automotive. Gaskets, Inc. is another reputable manufacturer that offers seals for various machines such as an industrial furnace, oven, dryer and boiler.

Buy specialty or customized high temp seals

If standard high temp seals are not suitable for your application, opt for a customized high temp seal.

I recommend: Davlyn Manufacturing Co. can provide you knitted fiberglass seals in custom diameter and length for your high temperature sealing applications. United Ring & Seal, a reputable seal manufacturer, offers custom metal seal rings and piston rings with high precision. Frontline Industries, another custom seal manufacturer, offers mechanical seals for various machinery such as pumps, compressors, agitators, mixers, reactors, gearboxes and other rotating equipment.

Purchase high temperature seals from distributors or retailers

At retailers' websites, you can compare products from various high temp seal suppliers based on features and prices. Ask for a discount if you are buying in bulk.

I recommend: Zatkoff Seals & Packings offers a range of high temperature seals for various applications such as hydraulics and chemicals. All Seals, a reputable supplier of seals, can provide you with different type of seals such as thread seals, pneumatic seals, hydraulic seals, mechanical seals and oil seals.

Tips & Tactics

Helpful advice for making the most of this Guide

• •  The most common reason for seal failures is improper installation. Hence, it is important to ensure cleanliness and to protect seals from nicks and cuts while installing them.
• •  Opt for an expert's help for seal replacements and installations of high temperature seals.