概述三通球閥系列對(duì)介質(zhì)流向的不同切換要求可分為Q44L型與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.

詳細(xì)介紹

概述

三通球閥系列對(duì)介質(zhì)流向的不同切換要求可分為Q44L型與Q45T型，

如圖A．L型可實(shí)現(xiàn)對(duì)介質(zhì)流向進(jìn)行切換，亦可使相互垂直的兩個(gè)通道連通或關(guān)閉。

如圖B．T型可實(shí)現(xiàn)對(duì)介質(zhì)的分流或混流，不僅可以實(shí)現(xiàn)介質(zhì)流向的切換，

也可使三個(gè)通道互相連通，還可以關(guān)閉任一通道，連通另外兩個(gè)通道。

本閥門具有結(jié)構(gòu)緊湊．造形美觀．密封性能好等特點(diǎn)。

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(zhì)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(tái)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(guī)范 Main Specifications

試驗(yàn)壓力（MPa） Testpressure	公稱壓力PN Nonial pressure（MPa）
試驗(yàn)壓力（MPa） Testpressure	1.6	2.5
殼體強(qiáng)度試驗(yàn) Shellstrength test	2.4	3.75
密封試驗(yàn)（液） Seal test	1.76	2.75

主要零件材料Material of Main Parts

材料代號(hào)

零件 Material

名稱 code

Hard warea

pellation

閥體

Valve body

WCB

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

球體

Valve stem

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

密封 seal

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

聚四氟乙烯

Polyterafluoroethylene

聚四氟乙烯

Polyterafluoroethylene

聚四氟乙烯

Polyterafluoroethylene

填料 Filling

對(duì)位聚苯

Para-polyphenyl

對(duì)位聚苯

Para-polyphenyl

對(duì)位聚苯

Para-polyphenyl

聚四氟乙烯

Polyterafluoroethylene

聚四氟乙烯

Polyterafluoroethylene

聚四氟乙烯

Polyterafluoroethylene

使用介質(zhì)

Applicable medium

柔性石墨

Soft graphite

柔性石墨

Soft graphite

柔性石墨

Soft graphite

適用溫度

Applicable

temperature

選用（聚四氟乙烯）密封材料為≤ 150℃

Applicable sealing material（e.g.polytetrafluoroethylene）equal to 150 C or less

選用（對(duì)位聚苯）密封材料為≤ 300℃

Applicable sealing material（e.g.para- polyphenyl）equal to 300 C or less

關(guān)鍵詞：三通球閥

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