الوصف

Telescopic butterfly valve should be placed horizontally, any collision will be not allowed. 2、When telescopic butterfly valve left factory, its structure length is the minimum length, when installation should be pulled to installation length (Design length). 3、When length between pipes exceed telescopic valve installation length, please adjust the space between pipes, shouldnt pull telescopic valve constrainedly, lest damage telescopic valve. 4、Telescopic butterfly valve can be installed in optional position, when it copmpensate temperature, after install pipe, it should be installed brackets on both sides of pipe axes direction, in order to prevent telescopic tube of telescopic valve from pulling out (see diagram1), accumulate supporting force of brackdt should be according to formula as below, and shouldnt unload bracket when deivery