What is SAE ORB fitting?
SAE Straight Thread O-ring or O-Ring Boss (ORB) is a multipurpose thread ideal for medium and high-pressure hydraulic applications. The male part has a straight thread with a groove for the placement of an O-ring. The female part has a straight thread, a machined surface and a chamfer to accept the O-ring. When the two parts are connected, the O-ring compresses between the two seats of the male and female parts. This allows for an extremely tight seal between the two parts, compensating for the dimensional variations. This is a ideal type for non-leak applications.
Size Chart:
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