Inner Angled Union

1. Low Profile & Centerline Clearance:
No center bulge: After the connection is completed, the centerline position is concave or flat (only the inner hole of the nut), without the protruding Central Body and hexagonal head like the standard Union. This is crucial in the following scenarios:
The pipeline needs to pass close to the plane (such as the equipment panel, mounting plate).
The connection point is located in a narrow space, and the center bulge will interfere with adjacent pipelines, wiring harnesses, structural parts or moving parts.
Dense pipeline layout that requires maximum use of space.
Smoother profile: The overall appearance is closer to a straight-through pipe, which is advantageous in situations where aesthetics or turbulence reduction are required.
2. Torque Application Location for Installation and Removal:
Standard Union: When installing/removing, one wrench is usually required to fix the hexagonal head of the Central Body and another wrench to rotate the nut.
Inverted Union: When installing/disassembling, only one wrench is needed to rotate the hexagonal head of the Central Coupling Nut (because the Body Ends are fixed to the pipe by their own hexagonal heads and will not rotate). This is a significant advantage in operating environments where space is limited and it is difficult to accommodate two wrenches (such as deep inside equipment and corners).

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