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說明：
    本系列收集了自控儀表管路系統(tǒng)中各種連接形式和結構式管接頭、短節(jié)、管嘴、轉管接頭溫度計套管等產品，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系列又稱為絲堵。一般使用于已經開孔，安裝了接頭，但暫時又用不著的場合，或吹掃、試壓、加液、排氣、排污、排液等場合，或安裝正式儀表條件不具備，用絲堵暫時堵上。該系列產品適用于各種測量回路或工藝設備上。
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.