BV BN80 Patriot Fluid Power
Seal Information (BV BN80)
Block Vee – Symmetrical U-Cup

Block Vee Style U-Cups, also referred to as Huva Cup, Pruva U-Cups and 84 Series U-Cups, are very popular in industrial cylinders and can be used as piston or rod seals. Back-up rings are available and required for use above 500 PSI. When used with back-up rings, system pressure should not exceed 2,500 PSI.

TEMPERATURE RANGE :-70°F (-57°C) TO +250°F (121°C) Depending on compound
PRESSURE RANGE :Varies based on Diametrical Clearance (See Chart)
Chemical Compatibility : – Water
– Aliphatic Hydrocarbons (petroleum oils, mineral oil, mineral grease, diesel fuel, fuel oils, butane, propane, natural gas) vegetable oil & grease.
– 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.