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DYC-JQ電磁真空壓差閥

DYC-JQ電磁真空壓差閥概述

DYC-JQ型電磁真空壓差閥是機(jī)械真空泵安全閥，安裝于機(jī)械真空泵的進(jìn)氣口，并與泵同步開啟和關(guān)閉。當(dāng)泵停止工作或電源突然中斷時(shí)，閥門利用大氣壓力使閥板自動(dòng)關(guān)閉，使真空系統(tǒng)保持真空并將大氣充入泵腔內(nèi)，從而避免泵油逆向流動(dòng)而污染真空系統(tǒng)。適用介質(zhì)為純凈空氣和非腐蝕性氣體。

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Electro-vacuum Differential Pressure Valve

DYC-JQ electro-vacuum differential Pressure valve is a safely valve for mechanical vacuum pump. It is mounted at the intake nozzle of mechanical vacuum pump, synchronously opened and closed with the pump. In case that pump stops working or power supply is suddenly broken off, valve disc will be closed automatically under atmospheric pressure, to keep the vacuum system vacuum and the air charged into pump cavity, thus to prevent pump oil from reverse flow that can pollute the vacuum system. Applicable medium can be pure air or noncorrosive gases.

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主要技術(shù)性能
Main Technical Performance

適用范圍：Applicability	10⁵～10^-2Pa
閥門漏率：Valve Leak Rate	≤1.3×10^-2Pa.L/S.
適用溫度：Applicable Temperature	-30～+50℃
線圍溫升：Coil Temperature Rise	≤65℃
開閉時(shí)間：Open-close Time	≤3S
電源電壓：Mains Voltage	220V/50Hz

■	主要零件材料 Materials of Main Parts

		閥體、閥蓋、閥板：碳鋼或鋁合金隔膜：丁腈橡膠加滌綸綢 Body, bonnet and disc: carbon steel or aluminium alloy Diaphragm: NBR and terylene silk

CONSTRUCTION FIGHTS （mm）

■	外形及連接尺寸（mm） Overall and Connection Dimensions（mm）

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活套法蘭連接（GB6070　圖一）

Model 型號	DN	Do	D	D2	n-φc	A	H
DYC-JQ50	50	90	110	55	4-φ9	70	203
DYC-JQ63	63	105	130	68	4-φ9	88	226
DYC-JQ80	80	125	145	85	8-φ9	98	260
DYC-JQ100	100	145	165	105	8-φ9	108	282
DYC-JQ160	160	200	225	165	8-φ12	158	350

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快卸法蘭連接（GB4982 圖二）

Model 型號	DN	D1	D	A	H	B
DYC-JQ16	16	17.2	30	40	160	55
DYC-JQ25	25	26.2	40	50	170	60
DYC-JQ32	32	34.2	55	58	179	60
DYC-JQ40	40	41.2	55	65	187	70
DYC-JQ50	50	52.2	75	70	203	85

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方體螺紋連接（JB919 圖三）

Model 型號	DN	Do	D2	h	B	H	n-d
DYC-JQ16	16	42	22	28	48	148	4-M5
DYC-JQ25	25	55	29	35	58	155	4-M6
DYC-JQ32	32	64	36	40	68	160	4-M6
DYC-JQ40	40	70	44	44	80	166	4-M6
DYC-JQ50	50	90	55	56	94	189	4-M8
DYC-JQ65	65	105	70	65	115	205	4-M8
DYC-JQ80	80	125	85	75	140	250	4-M8

尼威真空閥門相關(guān)產(chǎn)品:

GM高真空隔膜閥	GIQ氣動(dòng)高真空蝶閥	GI手動(dòng)高真空蝶閥
GUQ氣動(dòng)高真空球閥	GU手動(dòng)真空球閥	GUD電動(dòng)真空球閥
DDC-JQ電磁真空帶充氣閥		GDQ氣動(dòng)高真空擋板閥
CC超高真空插板閥	CCQ氣動(dòng)超高真空插板閥	CCD電動(dòng)超高真空插板閥