| 摘要 |
A three way coupler includes a housing having a bore to receive fluid, and having two ends for coupling to pipes, and having an orifice communicating with the bore of the housing. A barrel is secured to the housing and includes a hole communicating with the bore of the housing. An adjusting device includes a shank rotatably engaged into the orifice of the housing, and having a passage to selectively align with the bore of the housing, and to adjust a flowing of the fluid through the bore of the housing. Another adjusting device may be attached to the barrel, to adjust a flowing of the fluid through the hole of the barrel.
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