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上海先锋阀门厂
上海先锋阀门厂
概述三通球阀系列对介质流向的不同切换要求可分为Q44L型与Q45T型SummaryAccording 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.
概述 三通球阀系列对介质流向的不同切换要求可分为Q44L型与Q45T型， 如图A．L型可实现对介质流向进行切换，亦可使相互垂直的两个通道连通或关闭。 如图B．T型可实现对介质的分流或混流，不仅可以实现介质流向的切换， 也可使三个通道互相连通，还可以关闭任一通道，连通另外两个通道。 本阀门具有结构紧凑．造形美观．密封性能好等特点。 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 三通球阀介质流向示意图 Sketch of Medium Flow-direction of Three-way BallValve 三通球阀用于分流或汇台流通，是具有=面或四面阀座的多通口球蠲．任一通口可用作入 口而无泄漏。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 主要性能规范 Main Specifications 试验压力（MPa） Testpressure 公称压力PN Nonial pressure（MPa） 1.6 2.5 壳体强度试验 Shellstrength test 2.4 3.75 密封试验（液） Seal test 1.76 2.75
| | 主要零件材料Material of Main Parts
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主要外形及连接法兰尺寸Q61（4、5）（F、N、P）-16~64 Mani Outline and Connecting Flange Size
| 通径 Nominal size |
| 执行器型号* Actuator Model | |||||||||
| DN | in | d | G | L | L0 | L1 | L2 | H | S | ||
| 15 | 1/2 | 10 |
| 68 | 34 | 140/178 | 62/75 | 130/136 | 26 | GTD52/GTE65 | |
| 20 | 3/4 | 15 |
| 78 | 39 | 140/178 | 62/75 | 135/141 | 32 | GTD52/GTE65 | |
| 25 | 1 | 20 |
| 86 | 43 | 140/214 | 62/91 | 139/173 | 38 | GTD52/GTE80 | |
| 32 | 11/4 | 25 |
| 111 | 55.5 | 164/214 | 75/91 | 158/186 | 49 | GTD65/GTE80 | |
| 40 | 11/2 | 32 |
| 126 | 63 | 164/246 | 75/101 | 165/203 | 56 | GTD65/GTE90 | |
| 50 | 2 | 38 |
| 143 | 71.5 | 190/295 | 91/112 | 202/228 | 70 | GTD800/GTE100 | |
| 65 | 21/2 |
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| 80 | 3 |
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※注：系列球阀结构长度及连接法兰尺寸可根据用户要求设计制造。
※注：数据×××，×××分别是气动执行器双作用式，单作用式I弹簧复位）。
※注：*根据不同阀门扭矩、使用介质适配的执行器型号可能有所不同．相关尺寸随之变化。
Note：The structUfal length and connecting flange size of ball valve series can be designed and manufactured as per users’requirements.
Note：Data×××,×××represent respectively the double-acting/single-acting type(spring reposition)of pneumatic actuator
Note：*The relative sizes afe subject tO change responding to the difference in valve torque,medium and actuator model.
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