产品特点

四通换向球阀为X形垂直通道的球阀，它的特点是球体的两条通道为X形布置，四个通道口径均布于球体赤道圆周截面上，当球体沿顺时针旋转90时，能使相邻的两个通道实现两两互通。

Features

Four-way direction changeable ball valve is a kind of ball valve with X-pattern vertical bore.It s feature is, the ball valve s two bores
are arranged to be X-pattern ,and its four bores are connected to each other two of adjacent bores can be connected to each other.

本阀门系列可配置多种驱动装置
This ball valve can be equipped with several types of operation device.

主要零件材质Main Patrs and Materials

零件名称 Accessory name	材 质 Material
	GB	ASTM
阀体、阀盖 Body,bonnet	WCB	A216-WCB
密封圈 Sealing Ring	PTFE、对位聚苯 PTFE、Counterpoint polypheny1	PTFE、对位聚苯 PTFE、Counterpoint polypheny1
球体 Ball	1Cr18Ni9Ti	SS 304
阀座、阀杆 Seat、Stem	2Cr13	A246-416
双头螺柱 Dual-head double-screw bolt	35CrMoA	A193-B7

主要性能规范 Main Performance Spcification

公称压力 PN(MPa) Nominal diameter		试验压力 Test pressure
		壳体 Shell	高压液密封 High-pressure liquid sealing	低压气密封 Low-pressure hermetic sealing
1.6		2.4	1.76	0.6
2.5		3.75	2.75
4.0		6.0	4.4
CLASS150		3.O	2.2
适用工况 Applicable Operating Mode	适用介质 Applicable medium		水、油品、气等非腐蚀介质和酸碱腐蚀介质 Non-corrosion medium such as water, oil products, and gas, etc,and nitric acid corrosion medium.
	适用温度 Applicable temperature		-28-350℃
应用规范 Applicable specification	连接法兰 Connecting flange		JB79-59、GB9113、HG20592-97、ANSI B16.5
	检验试验 Test and inspection		GB9/T 9092-99、API 598
其余制造规范均按本厂标准 Other manufacturing standard is according to the standard of our factory.

主要外型与连接尺寸表Form of Main Types and Connecting Dimension

公称压力或压力级 Nominal pressure	主要尺寸 Main dimension	公称通径
		15/1/2″	20/3/4″	25/1″	32/11/4″	40/11/2″	50/2″	65/21/2″	80/3″	100/4″	125/5″	150/6″	200/8″
PN1.6MFb	L	150	150	180	200	220	240	260	280	320	380	440	550
PN2.5MFh	L1	75	75	90	100	110	120	130	140	160	190	220	275
PN4.0MFb	H	90	90	102	115	135	140	155	185	210	275	305	335
CLASS150	W	140	140	155	250	250	350	350	420	700	1000	1300	1800
其余的法兰尺寸请参阅（主要外型及连接尺寸表）