Buna O Rings Temperature Rating

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Buna o rings temperature rating.

Buna buna n buna 70 8707. However before you choose silicone for an o ring seal due to it s o ring temperature range there are also other silicone shortcomings so make sure that it can withstand your particular environment by going to our rubber properties section and rubber chemical resistance chart. Maximum temperature 249 to 0 f. These buna n o rings are made of fda listed material for use with food and beverage.

Low temperature 30 f minimum operating temperature. Parker s nitrile rubber nbr o rings are compatible with oils and gases. Viton seals hold indefinitely at temperatures up to 400 f and can last up to 48 hours at temperatures up to 600 f. 250 to 499 f.

But for short working periods it will take even higher temperatures. Viton is the choice over buna for high temperature applications. O ring material family chemical compatibility temperature resistance and other properties all factor in to o ring material selection for an application. O ring temperature ranges by o ring compound temperature guidelines for o rings and o ring compounds.

Viton seals provide an indefinite seal for temperatures up to 400 f and for temperatures up to 600 f they offer an excellent seal for more than 48 hours. Oil resistant clean room buna n o rings. 1 to 249 f. Find o ring temperature ranges in the attached o rings temperature guide for o ring compounds and general elastomers including viton fluorosilicone nitrile silicone epdm kalrez neoprene and aflas materials.

Depending on the grade the working temperature range is considered to be 26 c to 205 230 c 15 f to 400 440 f. Nitrile 90 durometer o ring low temperature mil aero n0507 90 product series filter. Filter by clear all no filters selected. Nitrile 70 durometer o ring low temperature n0103 70 product series filter.

Get your parker account today. While both viton and buna seals both serve as great sealing options at moderate temperatures viton is far superior to buna for high temperature applications. As a sealing option the crucial difference between buna and viton is the temperature range the materials function in. N507 buna buna n buna 90.

Degrees in fahrenheit f degrees in celsius c polymer type 25 to 450 4 to 232 aflas 75 to 250 59 to 120.