国产精品午夜激情,在线的Av免费观看,伊人成亚洲综合人网香,欧美刺激视频中文字幕

說(shuō)明：
    本系列收集了自控儀表管路系統(tǒng)中各種連接形式和結(jié)構(gòu)式管接頭、短節(jié)、管嘴、轉(zhuǎn)管接頭溫度計(jì)套管等產(chǎn)品，品種多、規(guī)格全，適用廣，是管路中必不可少的連接件。堵頭YZG16系列又稱(chēng)為絲堵。一般使用于已經(jīng)開(kāi)孔，安裝了接頭，但暫時(shí)又用不著的場(chǎng)合，或吹掃、試壓、加液、排氣、排污、排液等場(chǎng)合，或安裝正式儀表?xiàng)l件不具備，用絲堵暫時(shí)堵上。該系列產(chǎn)品適用于各種測(cè)量回路或工藝設(shè)備上。
Explain:
    This series collects all kinds of connection forms and structural couplings, nipples, nozzles, rotary couplings, thermowells and other products in the automatic control instrument pipeline system. It is an essential connecting piece in the pipeline with a wide range of varieties, specifications and applications. Plug YZG16 series is also called plug. It is generally used in occasions where the hole has been opened and the joint has been installed, but it is not needed for the time being, or in occasions such as purging, pressure test, liquid filling, exhaust, sewage discharge, liquid drainage, etc., or where the conditions for installing the formal instrument are not available, plug it temporarily with a plug. This series of products is applicable to various measuring circuits or process equipment.