

API609 Double-offset Butterfly
Design standard
| 
 Basic standard:  | 
 API 609, ASME B16.34  | 
| 
 Flange connection dimesion:  | 
 ASME B16.5  | 
| 
 BW connection dimesion:  | 
 ASME B16.25  | 
| 
 Face-to-face dimension:  | 
 API609B  | 
| 
 Pressure-Temperature rating:  | 
 ASME B16.34  | 
| 
 Test:  | 
 API 598  | 
Product range
| 
 Size:  | 
 1/  | 
| 
 Rating:  | 
 ANSI 150~  | 
| 
 Body Materials:  | 
 Carbon steel, .  | 
| 
 Operation:  | 
 Handwheel, Gear etc.  | 
Feature:
Double-offset type etc..
Application:
Chemical, Refinery , Petrochemical, Power plant, General industry.