

Design standard:
| 
 Basic standard:  | 
 API 602, ASME B16.34, BS5352  | 
| 
 Flange connection dimesion:  | 
 ASME B16.5  | 
| 
 Butt welding connection dimension(BW)  | 
 ASME B16.25  | 
| 
 Socket welding connetiong dimension(SW)  | 
 ASME B16.11  | 
| 
 Threaded end dimension(NPT)  | 
 ASME B1.20.1  | 
| 
 Face-to-face dimension:  | 
 ASME B16.10, EN558, MTD for SW end and NPT end.  | 
| 
 Pressure-Temperature rating:  | 
 ASME B16.34  | 
| 
 Test:  | 
 API 598  | 
Product range:
| 
 Size:  | 
 1/2" ~2"  | 
| 
 Rating:  | 
 ANSI 150lbs~1500lbs  | 
| 
 Body Materials:  | 
 Carbon Steel, Stainless Steel,Alloy steel, Duplex  | 
| 
 Trim:  | 
 as per API600  | 
| 
 Operation:  | 
 Automatic  | 
Feature:
Bolted cover etc
Application:
Refinery, Petrochemical, Power plant, General Industry etc.