| Structural features: has overall diameter or diameter shrinkage, flange end, and welding end connection. Performance specification
 
	
		
			| Design standard | API608 | Applicable medium | Water, petroleum, natural gas |  
			| Structure length | ASME B16.10 | Sealing form | Soft seal |  
			| Type of connection | GB/T 9113   GB/T 12224  ASME B16.25  ASME B16.5 | Applicable temperature | -29~150℃ |  
			| Nominal pressure | PN16~420(CLASS 150Lb~1500Lb) | Drive mode | Manual, pneumatic and electric |  
			| Nominal dimension | DN15~DN100(SIZE 1/2〞~4〞) |  |  |      
	
		
			|  | 
				
					
						| No. | Parts | Materials |  
						| 1 | Valve body | ASTM A105 |  
						| 2 | Valve seat | PTFE |  
						| 3 | Ball | ASTM A182 F6a ASTM A105+ENP
 |  
						| 4 | Valve rod | ASTM A182 F6a ASTM A105+ENP
 |  
						| 5 | Valve deck | ASTM A105 |  
						| 6 | PackingGland | ASTM A105 |  
						| 7 | Bolt | Carbon steel |  
						| 8 | Nut | Carbon steel |  
						| 9 | Locating pin | Carbon steel |  
						| 10 | Handle | Q235A+galvanized+dip plasticizing |  
						| 11 | Nut | 304+Flexible graphite |  
						| 12 | Lock gasket | Carbon steel |  
						| 13 | Screw | Carbon steel |  
						| 14 | Packing | PTFE |  
						| 15 | O-ring seal | Viton GF/B |  
						| 16 | Spiralwound gasket | 304+Flexible graphite |  
						| 17 | O-ring seal | Viton GF/B |  
						| 18 | Upper gasket | PTFE |  
						| 19 | Spring | 304 |  
						| 20 | Steel ball | 304 |  |  Technical parameters
   
 
	
		
			| 150LB |  
			| NPS | L | D | D1 | D2 | D3 | B | f | n-d | W | H |  
			| 1/2″ | 108 | 89 | 60.5 | 35 | 15 | 12 | 1.6 | 4-φ15 | 140 | 87 |  
			| 3/4″ | 117 | 98 | 70 | 43 | 18 | 12 | 1.6 | 4-φ15 | 140 | 87 |  
			| 1″ | 127 | 108 | 79.5 | 51 | 25 | 12 | 1.6 | 4-φ15 | 150 | 95 |  
			| 11/4″ | 140 | 117 | 89 | 64 | 32 | 13 | 1.6 | 4-φ15 | 190 | 106 |  
			| 2″ | 178 | 152 | 120.5 | 92 | 51 | 19 | 1.6 | 4-φ19 | 250 | 130 |  
			| 21/2″ | 190 | 178 | 193.5 | 105 | 63.5 | 19 | 1.6 | 4-φ19 | 320 | 163 |  
			| 3″ | 203 | 190 | 152.5 | 127 | 76 | 19 | 1.6 | 4-φ19 | 350 | 172 |  
			| 4″ | 229 | 229 | 190.5 | 157 | 102 | 24 | 1.6 | 8-φ19 | 350 | 188 |  
			| 300Lb |  
			| 1/2″ | 140 | 95 | 66.5 | 35 | 15 | 15 | 1.6 | 4-φ15 | 140 | 87 |  
			| 3/4″ | 152 | 117 | 82.5 | 43 | 18 | 16 | 1.6 | 4-φ19 | 140 | 87 |  
			| 1″ | 165 | 124 | 89 | 51 | 25 | 18 | 1.6 | 4-φ19 | 150 | 95 |  
			| 11/4″ | 178 | 133 | 98.5 | 64 | 32 | 19 | 1.6 | 4-φ19 | 190 | 106 |  
			| 11/2″ | 190.5 | 156 | 114.5 | 73 | 38 | 21 | 1.6 | 4-φ22 | 190 | 115 |  
			| 2″ | 216 | 165 | 127 | 92 | 51 | 23 | 1.6 | 8-φ19 | 250 | 130 |  
			| 21/2″ | 241 | 190 | 149 | 105 | 63.5 | 26 | 1.6 | 8-φ22 | 320 | 163 |  
			| 3″ | 285 | 210 | 168.5 | 127 | 76 | 29 | 1.6 | 8-φ22 | 350 | 172 |  
			| 4″ | 305 | 254 | 200 | 157 | 102 | 32 | 1.6 | 8-φ22 | 350 | 188 |  |