无码人妻丰满熟妇区五十路,少妇性俱乐部纵欲狂欢少妇,free性开放小少妇

參考價(jià)	面議

產(chǎn)品簡(jiǎn)介

DDC-JQ型電磁真空帶充氣閥是機(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。

詳細(xì)介紹

DDC-JQ電磁真空帶充氣閥

DDC-JQ電磁真空帶充氣閥概述

■	DDC-JQ電磁真空帶充氣閥 Electro-vacuum Charging Valve

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

■

DDC-JQ電磁真空帶充氣閥主要技術(shù)性能
Main Technical Performance

適用范圍：Applicability	10⁵～10^-2Pa
閥門漏率：Valve Leak Rate	≤6.7×10^-3Pa.L/S.
適用溫度：Applicability	-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

■	DDC-JQ電磁真空帶充氣閥主要零件材料 Materials of Main Parts

		閥體、閥蓋、閥板：碳鋼或鋁合金密封圈：丁腈橡膠 Body, bonnet and disc: carbon steel or aluminium alloy Seal ring: NBR

CONSTRUCTION FIGHTS(mm)

■	DDC-JQ電磁真空帶充氣閥外形及連接尺寸(mm)(JB919) Overall and Connection Dimensions(mm)

Model 型號(hào)	DN	h	B	H	D	Do	D1	n-d	Machineal pump 機(jī)械泵匹配參考
DDC-JQ16	16	28	48	176	68	42	22	4-M5	2XZ-0.5～1
DDC-JQ25	25	35	58	199	82	55	29	4-M6	2XZ-2～4
DDC-JQ32	32	40	68	222	92	64	36	4-M6	2XZ-4
DDC-JQ40	40	44	80	253	110	70	44	4-M6	2XZ-8
DDC-JQ50	50	56	94	294	124	90	55	4-M8	2X-15
DDC-JQ65	65	65	115	320	135	105	70	4-M8	2X-30
DDC-JQ80	80	75	140	367	165	125	85	4-M8	2X-70

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	DYC-JQ電磁真空壓差閥	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

亚洲av无码成人精品国产 ,免费观看电视在线高清,男男SM调教视频,日韩乱码人妻无码中文字幕久久

DDC-JQ電磁真空帶充氣閥

產(chǎn)品簡(jiǎn)介

詳細(xì)介紹

會(huì)員登錄

公司名片

收藏該商鋪

提示

收藏該商鋪

食品機(jī)械設(shè)備網(wǎng)