... for dyeing, scouring, bleaching,washing skein,cheese or loose material of cotton,wool,chemical fibers,etc.Technical characteristics:Machine type:Vertical ... realize the sealing or air-jacking target.Opening method of boiler cover:Firstly open the safety insurance air valve to release the ... to remove the flange and then open the cover with drag weight,the cover will be closed.Overall size:(Refer to the ...