高潮毛片又色又爽免费,青草国产精品久久久久久,国产性天天综合网,亚洲国产婷婷六月丁香


名稱:上海乾拓貿(mào)易有限公司
上海地址:上海市嘉定區(qū)嘉涌路99弄6號713室
聯(lián)系人;沈雪
企業(yè)QQ:2880626081
手機;18918574312(微信) 
電話;021-69000975
郵箱:18918574312@163.com


聯(lián)系人:羅丹
QQ:2880626082
直線電話:021-39526590
聯(lián)系人:羅小姐 18917038407(同微信)
郵箱:18917038407@163.com


聯(lián)系人:章瑩玲
企業(yè)QQ:2880626085
手機;18918572467(微信) 
電話;021-69000973
郵箱:18918572467@163.com


聯(lián)系人:王亞波
QQ:2880626088
021-39529839-8012
手機:17321056802(同微信)
郵箱:17321056802@163.com




新聞中心

分別介紹ASCO電磁閥的參數(shù)要求有哪些

發(fā)布時間:2015-03-04
分別介紹ASCO電磁閥的參數(shù)要求有哪些
為確保ASCO電磁閥的工作**和可靠性,必須做到如下要求:   1、確??煽康牟僮餍赃@里不公指電磁閥本身的制造質(zhì)量,而且包括對操作人員的培訓和素質(zhì)的提*。為了防止誤操作,工藝人員一定要注意銘牌所   標示的注意事項。重要的閥門都要有足夠的附件,如定位器、限位開關等。根據(jù)我國新的氣動電磁閥標準(GB/T4213-92)氣動執(zhí)行機構(gòu)的銘牌至少要標   出制造廠名、產(chǎn)品型號、額定流量系數(shù)、設計位號、產(chǎn)品編號及制造年月等事項。要有足夠的安裝空間和操作空間,有足夠的安裝空間和操作,有足夠的   照明,有嚴格的操作規(guī)程。閥體上則應鑄出或沖出表示介質(zhì)流動方向的箭頭和DN數(shù)值以及PN的字樣及數(shù)值。   2、的制造技術和測試方法必須符合標準,要由主管部門簽定認可。嚴禁不具備條件的小廠進行。**電磁閥的質(zhì)量電磁閥的選用   要經(jīng)過嚴格的計算;類型、口徑、各項**都要符合要求;電磁閥各種零件的材料要嚴格選擇,要有足夠的強度和剛度,要按照國家標準通過耐壓試驗,   氣密性等試驗。
以下參考譯文如下:
To ensure the performance and reliability of the solenoid valve, you must do the following requirements: To ensure reliable operation unfair to refer to the solenoid valve manufacturing quality, but also improve operator training and quality. In order to prevent misuse, the process should pay attention to the nameplate of the Note marked. Important valve should have enough accessories, such as location, limit switches, and so on. Pneumatic actuator nameplate at least to be marked according to the new pneumatic solenoid valve standard (GB/T4213-92) Out the matter of the manufacturer's name, product type, rated flow coefficient, design number, product number and year of manufacture. Have enough space for the installation and operation of space, there is enough space for installation and operation, there is enough Lighting, has strict rules. The body should be cast out or out of said medium flow direction arrow and the word DN value and PN and numerical. 2, the manufacturer of the manufacturing techniques and testing methods must comply with the standards, signed by the competent authority recognized. Prohibited does not have the production conditions of small factories for production. Ensure the selection of quality solenoid valve solenoid valve To go through a rigorous calculation; type, caliber, and the performance required to meet the requirements; various parts of the material of the solenoid valve is necessary to strictly select must be of sufficient strength and stiffness, according to national standards through the pressure test, Air tightness test
Copyright@ 2003-2025  上海乾拓貿(mào)易有限公司版權(quán)所有     

Copyright@2003-2018 上海乾拓貿(mào)易有限公司版權(quán)所有 電話:021-39529830/39-8005  021-39529831/29-8002 傳真:021-39529839 

地址:上海嘉定嘉涌路99弄6號713 郵編:201812  易展提供技術支持  滬ICP備09006758號-20    網(wǎng)站管理入口

         滬ICP備09006758號-20   

滬公網(wǎng)安備 31011402005010號

點擊這里給我發(fā)消息 點擊這里給我發(fā)消息 點擊這里給我發(fā)消息 點擊這里給我發(fā)消息 點擊這里給我發(fā)消息 點擊這里給我發(fā)消息 點擊這里給我發(fā)消息 在线看片福利无码网址| 亚洲精品乱码久久久久久不卡| 亚欧乱码卡一卡二卡新| 亚洲欧洲日产国码无码AV喷潮| 人妻精品久久无码专区精东影业| 69久久夜色精品国产69| 欧美成人精品三级网站下载| 国产精品久久久久久福利| 色综合久久久久无码专区| 强奷乱码中文字幕无码| 久久天天躁夜夜躁狠狠I女人| 末成年女AV片一区二区丫| 少妇人妻诗雨系列无删减| 国产第一页屁屁影院| 成人性生交大片免费| 国产精品久久久久久久久久免费看 | 韩国19禁无遮挡啪啪无码网站| 小嫩批日出水无码视频免费| 亚洲AV无码专区亚洲AV桃| 中文字幕免费无码专区| 性饥渴艳妇性色生活片在线播放| 青青草原综合久久大伊人精品| 色噜噜狠狠色综合av | 亚洲精品午夜无码电影网| 暖暖视频免费 高清 日本| 人妻丰满熟妞AV无码区| 日韩人妻无码精品久久久不卡| 又爽又黄又无遮挡的视频| 中文国产成人精品久久不卡| 一品在线视频观看| 四个熟妇搡bbbb搡bbbb| 国产voyeur精品偷窥222| 久久窝窝国产精品午夜看片| 影视大全在线观看| 亚洲成A人片在线观看无码专区| 樱花草在线观看播放WWW| 亚洲狠狠婷婷综合久久蜜芽 | 欧洲亚洲国产成人综合色婷婷 | а天堂中文在线官网| 少妇内射视频播放舔大片| 性欧美巨大乳|