| 摘要 |
<p>A low hysteresis fluid metering valve includes a valve body having an interior portion, an inlet port, an outlet port including a fluid delivery passage, and a shut-off port. A flow control member is arranged in the interior portion. The flow control member includes a first portion and a second portion. The first portion includes a first end extending to a second end through an intermediate portion having a first metered passage, a second metered passage, and a seal element. The first metered passage is configured and disposed to selectively register with the inlet port and the outlet port when the flow control member is arranged in a first position, and the second metered passage is configured and disposed to register with the shut-off port when the flow control member is arranged in a second position.</p> |
