Flaring

Flared ends are commonly used as sealing surfaces;

37° flares, also known as AN fittings, required a backup sleeve and are normally used in high pressure applications.

45° flares, also known as SAE fittings, are commonly used through out the automotive industry.

90° flares, also known as TRI-CLAPMS fittings, require a gasket and are widely used in sanitary applications where ease of disassembly is required for regular cleaning operations.

FEATURE	LIMITS	TOL. (IN.)
Flare diameter	1.4 x O.D.	± .004
Radius under head	.050" (min.)	± .002
Transition radius	Under head rad. + wall	---
Overall length	---	± .003