| 
				 Nominal diameter:  | 
			
				 NPS 1/4”~2”  | 
		
| 
				 Operating temperature:  | 
			
				 -29℃~595℃(the range of service temperature may vary for different materials)  | 
		
| 
				 Nominal pressure:  | 
			
				 CLASS 150~2500 (PN 20~PN420)  | 
		
| 
				 Material:  | 
			
				 A105、A350 LF2、A182 F11、A182 F22、A182 F304、A182 F316、A182 F51、B150 C61900、B564 N04400、B546 N06625,etc.  | 
		
| 
				 Design standard:  | 
			
				 ISO 15761、API 602、BS 5352、ASME B16.34  | 
		
| 
				 Structural length:  | 
			
				 Company standard、ASME B16.10(flange type)  | 
		
| 
				 Connecting end:  | 
			
				 ASME B16.5、ASME B16.25、ASME B16.11  | 
		
| 
				 Test standard:  | 
			
				 API 598  | 
		
| 
				 Operation method:  | 
			
				 Hand wheel, motor drive unit, pneumatic drive unit  | 
		
| 
				 Application fields:  | 
			
				 Oil and natural gas pipelines, and urban gas pipeline  |