| 摘要 |
A quick disconnect coupler includes an annular seal which is mounted in a fixed axial position to the housing of the coupler and which defines three sealing surfaces axially separated along the length of the coupler. The three sealing surfaces are configured and positioned to seal against three types of commonly used coupler plugs. In this way, an axially fixed seal reliably seals against all three coupler plugs. In one embodiment the seal defines a tiltable portion which is surrounded by a retainer ring and is free to tilt in the housing to follow tilting movement of a plug in the coupler.
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