概述
三通球閥系列對介質流向的不同切換要求可分為Q44L型與Q45T型
Summary
According to different switching requirements to the flow
direction of medium, three-way ball valve series can be divi-ded into two types:Q44L
and Q457.
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可選配件：
概述
三通球閥系列對介質流向的不同切換要求可分為Q44L型與Q45T型，
如圖A．L型可實現對介質流向進行切換，亦可使相互垂直的兩個通道連通或關閉。
如圖B．T型可實現對介質的分流或混流，不僅可以實現介質流向的切換，
也可使三個通道互相連通，還可以關閉任一通道，連通另外兩個通道。
本閥門具有結構緊湊．造形美觀．密封性能好等特點。
Summary
According to different switching requirements to the flow
direction of medium, three-way ball valve series can be divi-ded into two types:Q44L
and Q457. As shown in Fig. A, L-type cannot oniy switch the flow direction of medium
but o-nly connect or close two orthogonal pipes. As shown in Fig.B, T type cannot only
switch the flow direction of medium, bu-t also connect three pipes with each other,
or close any one of three ways and connect the other two pipes. This valve ha-s such
advantages as compact structu re, beautiful outline, a-nd good sealing performance, etc
三通球閥介質流向示意圖
Sketch of Medium Flow-direction of Three-way BallValve
三通球閥用于分流或匯臺流通，是具有=面或四面閥座的多通口球蠲．任一通口可用作入
口而無泄漏。三通既可制成L型通口也可制成T型通口。
Three-way ball valve is used for diffluence or confHlue.t circulalio.
With two-sid. or four-sida valve base embodying multiple channels All
the channals can be used as e.t,ance. with no leakage The three-way
can be made to L-shaped channel or T-shaped channel
主要性能規范 Main Specifications
試驗壓力（MPa）
Testpressure
公稱壓力PN Nonial pressure（MPa）
1.6
2.5
殼體強度試驗
Shellstrength test
2.4
3.75
密封試驗（液）
Seal test
1.76
2.75
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主要零件材料Material of Main Parts
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