BU BN90 BACKUP-UP O-RING by Patriot Fluid Power
Seal Information (BU BN90)
TEMPERATURE RANGE :-70°F (-57°C) TO +250°F (121°C) Depending on compound
PRESSURE RANGE :Varies based on Diametrical Clearance (See Chart)
PART NUMBER :(BU)-(Dash No.)(BN90)
Chemical Compatibility : – Water
– Aliphatic Hydrocarbons (petroleum oils, mineral oil, mineral grease, diesel fuel, fuel oils, propane) vegetable oils
– Dilute acids, alkali & salt solutions – HFB, HFA & HFC Fluids
Buna-N, also known as Nitrile rubber, NBR, and acrylonitrile butadiene rubber, is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene. One of the most commonly used compounds in Hydraulics and Pneumatics.
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