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產(chǎn)品特點(diǎn)

不銹鋼電動(dòng)四通換向球閥為X形垂直通道的球閥，它的特點(diǎn)是球體的兩條通道為X形布置,，四個(gè)通道口徑均布于球體赤道圓周截面上,，當(dāng)球體沿順時(shí)針旋轉(zhuǎn)90時(shí)，能使相鄰的兩個(gè)通道實(shí)現(xiàn)兩兩互通,。

零件名稱 Accessory name	材 質(zhì) Material
	GB	ASTM
閥體,、閥蓋 Body,bonnet	WCB	A216-WCB
密封圈 Sealing Ring	PTFE,、對(duì)位聚苯 PTFE、Counterpoint polypheny1	PTFE,、對(duì)位聚苯 PTFE,、Counterpoint polypheny1
球體 Ball	1Cr18Ni9Ti	SS 304
閥座、閥桿 Seat,、Stem	2Cr13	A246-416
雙頭螺柱 Dual-head double-screw bolt	35CrMoA	A193-B7

主要性能規(guī)范 Main Performance Spcification

公稱壓力 PN(MPa) Nominal diameter		試驗(yàn)壓力 Test pressure
		殼體 Shell	高壓液密封 High-pressure liquid sealing	低壓氣密封 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
適用工況 Applicable Operating Mode	適用介質(zhì) Applicable medium		水,、油品、氣等非腐蝕介質(zhì)和酸堿腐蝕介質(zhì) Non-corrosion medium such as water, oil products, and gas, etc,and nitric acid corrosion medium.
	適用溫度 Applicable temperature		-28-350℃
應(yīng)用規(guī)范 Applicable specification	連接法蘭 Connecting flange		JB79-59,、GB9113,、HG20592-97、ANSI B16.5
	檢驗(yàn)試驗(yàn) Test and inspection		GB9/T 9092-99,、API 598
其余制造規(guī)范均按本廠標(biāo)準(zhǔn) Other manufacturing standard is according to the standard of our factory.

公稱壓力或壓力級(jí) Nominal pressure	主要尺寸 Main dimension	公稱通徑
		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
其余的法蘭尺寸請(qǐng)參閱樣本 <主要外型及連接尺寸表>