Powerful: intelligent, proportional, switch type, various types of signal output type everything 
 Reliable: bearing teeth mouth, electrical components and other key components are imported products 
 Nice: alloy shell, fine and smooth, and can reduce electromagnetic interference 




 Model Description 



 SAS BV *** - D / X 
 ① ② ③ ④ ⑤ 

 ① SAS: Sen Weier Controls 
 ② BV: electric butterfly valve 
 ③ ***: valve diameter, such as the 065 express DN65 
 ④ D: switch control type (D / X only one) 
 ⑤ X: proportional control type (D / X only one)