Description

Butterfly valve 1. Regulating Butterfly Valve 1). Air/gas regulating butterfly valve QYTD*1W QYTD*3W 2). Electric-driving gas pressure-control valve block QYTD**4H 3). Manual regulating butterfly valve QYTD*1W-I 4). Manual worm gear driving regulating butterfly valve QYTD**1W-I 5). Electric-driving regulating butterfly valve QYTD**1W-I 6). Electric-driving regulating butterfly valve QYTD**1W-II 7). Air/gas/flue gas automatic regulating butterfly valve QYTDz**1W QYTDz**1H 8). Non-driving snort valve QYTD*9W-I 9). Electric-driving snort valve QYTD**9W-I *0). Non-driving snort valve QYTD**9W-II 2. Shut-off Butterfly Valve *1).Hydraulic-driving air/gas shut-off butterfly valve (three-rods valve) QYTD7s*0sX QYTD7s*0sH *2). Electric-driving air/gas shut-off valve (three-rods valve) QYTD**0sX-I QYTD**0sH-I *3).Electric-driving air/gas shut-off valve (three-rods valve) QYTD**0sX-II QYTD**0sH-II *4). Electric-driving air/gas shut-off valve (turning-disc three rods valve) QYTD**0fX, QYTD**0fH *5). Worm gear driving air/gas shut off butterfly valve (rubber lined) QYTD**3X *6). Electric air/gas shut off butterfly valve (rubber lined) QYTD**3X *7). Electric air/gas shut off butterfly valve (eccentric) QYTD**7X *8). Pneumatic air/gas shut off butterfly valve (double eccentric) QYTD**7X, QYTD**7H *9). Hydraulic air/gas shut off butterfly valve (double eccentric) QYTD**7X, QYTD**7H *0). Electric air/gas shut off butterfly valve (double eccentric) QYTD**7X, QYTD**7H 3. Heat-resisting Butterfly Valve *1). Electric-driving hot blast butterfly valve QYTDR**0fH *2). Automatic regulating heat-resisting butterfly valve QYTDR **3W *3). Hydraulic-driving lining high temperature butterfly valve QYTDR **1R *4). Electric-driving lining high temperature butterfly valve QYTDR **1R *5). Hydraulic-driving cooling type lining high temperature butterfly valve QYTDR **5R *6). Electric-driving cooling type lining high temperature butterfly valve QYTDR **5R 4. Abrasion