UPVC electric wafer butterfly valve, China manufacture
UPVC electric wafer butterfly valve, China manufacture Standard technical parameters UPVC electric wafer butterfly valve, China manufacture Nominal diameter: DN15-DN100 […]
UPVC electric wafer butterfly valve, China manufacture Standard technical parameters UPVC electric wafer butterfly valve, China manufacture Nominal diameter: DN15-DN100 […]
Damper butterfly valve is used in the dusty cold air or hot air gas pipeline of ventilation, environmental protection engineering […]
Explosion-proof electric butterfly valve Valve body Nominal diameter: DN40-DN1000 Body material: WCB, ductile iron, 304, 316 Connection method: wafer type, […]