bt天堂网www天堂在线资源,日本爽快片18禁片免费久久,亚洲av无码国产精品色午夜字幕,国产精品国产亚洲区艳妇糸列短篇

burkert寶德 5281兩位兩通電磁閥，5281型伺服輔助電磁閥帶伺服膜，適用于控制液體或氣體介質(zhì)。Type 5281 servo assisted solenoid valve with servo film, apply to control the liquid or gas medium.

burkert寶德 5404兩位兩通電磁閥，要*打開(kāi)閥門(mén)，至少需要1bar的壓差，DN20 和25閥的關(guān)閉時(shí)間連續(xù)可調(diào)。To fully openThe differential pressure valve, need at least 1 bar.3/4 “continuous adjustable and 25 valve closing time.

burkert寶德 6011兩位兩通電磁閥，適用于關(guān)斷、加藥、灌裝等，也適用于工 藝真空。Applicable to shut off, dosing, filling, etc., can also be applied to engineeringArt vacuum.

burkert寶德 6013兩位兩通微型電磁閥，適用于各種介質(zhì)的關(guān)斷、加藥、灌裝等，Z高溫度可達(dá) +180℃。也適用于工藝真空。Is suitable for various medium shut off, dosing, filling, etc., the highest temperature can be up to + 180 ℃. Can also be applied to vac

寶德burkert 6038兩位兩通中性介質(zhì)電磁閥，壓力釋放式，開(kāi)關(guān)動(dòng)作不需壓差。Pressure relief type, action without differential pressure switch.