电动内螺纹三通球阀 电动内螺纹三通球阀

 电动内螺纹三通球阀产品概述
电动三通球阀采用回转式角行程电动执行机构，以AC220V, AC380V或DC24V电源电压作动力，接受工业自动化仪表控制系统输入的(4-20mA)电流信号或电压信号，即可控制运转，实现对工艺介质的比例调节或二位切换控制。三通球阀是综合国内外先进技术而开发的新型三通切换型调节阀。标准球芯有L型三通双口孔种，改变球芯与管道的相对角度，可以对三支管道流体实现不同的组合控制;T型孔道可起配比作用，适用于液休、气体、蒸汽等介质的配比调节与控制。
产品特点
1、.三通球阀有两座和四座密封结构，阀芯孔道有L型和T型两种结构形式，采用控制阀芯旋转角度，改变阀芯孔道与管道口的连接状态，可实现对三条支管不同的组合控制。三通球阀流通能力大，可控制气体、液体、蒸汽，更适用于控制高粘度，纤维颗粒状的流体。也适用于密封要求较严格的场合。
2.两阀座密封三通球阀具有结构紧凑、外形美观、密封性能好，它能实现对管道中介质流向的切换。也能使相互垂直的两个通道连通或关闭
3.四阀座密封三通球阀具有造型美观、结构紧凑合理，它不仅可实现介质流向的切换，也可使三个通道相互连通，同时可关闭任意一个通道，使另外两个通道连通，灵活控制管路是介质的合流或分流(如流向图B)。
4. T型阀芯孔道可使三条正交的管道互相连通或切换，起分流或合流作用;L型孔道连接相互正交的两管道。使另一条孔道切断，起改变介质流向作用。

电动内螺纹三通球阀阀门的参数

形式	T型、L型三通球阀
公称通径DN(mm)	DN15-DN300
公称压力	1.6  2.5  4.0  6.4Mpa
液体范围	空气 水 气体 石油和石化产品 腐蚀性介质
工作温度	硬密封：-40°--300°
	软密封：-40°--180°
泄露量	0符合ANSIB16.104 5级标准
主要材质	阀体	1.WCB  2.304   3.316  4.316L
	阀芯	1.304  2.316    3.316L
阀座形式	不锈钢可动硬密封、PTFE软密封
表面处理	抛光

工作形式
L型流道的三通4面阀座球阀，采用2面阀座，受力平衡，保证闭止通道的可靠密封。主要用于流路的换向。T型流道的三通4面阀座，由于采用4面阀座，受力平衡，保证闭止通道的可靠密封。主要用于分流、混流、换向以及三通道的完全开放。

 

G	ΦD	B	H1	H	L1	L2	L3
1/4’	11.2	60	148	35	50	40	123
3/8’’	12.5	60	148	35	50	40	123
1/2’’	15	75	163.5	35	65	40	160
3/4’’	20	80	171.5	39	65	40	160
1’’	25	90	179.5	50.5	65	40	189
1-1/4’’	32	110	184	55.5	65	40	189
1-1/2’’	38	120	195	66	82	40	189
2’’	50	140	197.1	68.1	82	40	189
2-1/2’’	65	185	222.5	93.5	82	40	189
3’’	76	205	233	104	82	40	189
4’’	100	240	241	112	116	40	266

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