驅(qū)動方式 Drive mode:手動、氣動、電動 Hand operated,air operated,electrically operated
本蝶閥適用溫度≤80℃，用于石油、化工食品醫(yī)藥輕紡、造紙、電力、給排
水、氣體管路上，作調(diào)節(jié)流量和截流介質(zhì)的作用，具有補(bǔ)償管道熱脹冷縮的功能。
This butterfly valve，with the suitable temperatu re as=80℃，is used for the pipeline of petroleum，chemical，food，medicine，ight&textile，paper-makin9，water supply and drainage，gas for the flow adjustment and medium cut-off and holds the function to compensate heat-expansion cold-contraction of the pipeline
特點Characteristic
1、設(shè)計新穎、合理、結(jié)構(gòu)獨特、重量輕、操作方便、起閉迅速。
2、本伸縮蝶閥既能起到調(diào)節(jié)流量和截流作用，又能補(bǔ)償管道溫差，所產(chǎn)生的熱脹冷縮功能，同時也便于安裝和拆卸，為一閥多用產(chǎn)品。
1 Brand-new and reasonable design,unique structure，light weight，easy operation，quick open-close.
2 This telescopic butterfly valve can act as flow adjustment and cut-off and also compensate the heat-expansion cold-contraction of the pipeline caused due to temperature difference and is conveniently mountable and removable，as an one-valve muIti-purposes product
安裝注意事項Precautions in installation
1、本蝶閥安裝前必須清洗內(nèi)腔雜物。
2、本閥可有一定范圍內(nèi)伸縮，安裝前必須松開伸縮部位的密封墊壓蓋，然后待本閥門與管道所需要的長度后，再鎖緊伸縮密封壓蓋。
1 Clear out the impurities inside of the internal cavity before to install this butterfly valve.
2 This valve is stretchable in a certain range and，before installation，the sealing pad of the stretching part shall be loosened and，then，whlength is set for both valve and pipeline，tightened.
