 
            
                        Application
Product Scope: NPS 2” ~ NPS8” , 10bar ~ 25bar
Features:·Accurate Differential Pressure Control
                ·Easy Connecting with Intelligent Instrument
                ·Easy Adjustment and Maintenance
                ·Completely Automatic Operation
Face to Face Dimensions:AMSE B16.10
Flange End Dimension :AMSE B16.10
Coating: Fusion Bonded Epoxy Coating  
Inspection and Test:API 598 / ISO 5208 / EN 12226-2
                    
Application
Product Scope: NPS 2” ~ NPS8” , 10bar ~ 25bar
Features:·Accurate Differential Pressure Control
·Easy Connecting with Intelligent Instrument
·Easy Adjustment and Maintenance
·Completely Automatic Operation
Face to Face Dimensions:AMSE B16.10
FlangeEnd Dimension :AMSE B16.10
Coating: Fusion Bonded Epoxy Coating
Inspection and Test:API 598 / ISO 5208 / EN 12226-2
	 
| Part | Material | EN Spec. | 
| Body | Ductile Iron | EN-JS1050 | 
| Bonnet | C95400 | ASTM B505/505M | 
| Trim | C95400 | ASTM B505/505M | 
| Seat | C95400 | ASTM B505/505M | 
| Diaphragm | EPDM | Commercial | 
| For materials options not listed,consult factory. ZhengFeng manufactures valves in more than 50 different alloys. | ||
	 
| NPS | In | 2 | 2 1/2 | 3 | 4 | 5 | 6 | 8 | 
| L | mm | 230 | 290 | 310 | 350 | 400 | 450 | 500 | 
| H1 | mm | 106 | 132 | 140 | 151 | 179 | 218 | 236 | 
| H2 | mm | 270 | 304 | 315 | 353 | 371 | 498 | 518 | 
| D | mm | 165 | 185 | 200 | 220 | 250 | 285 | 340 | 
| K | mm | 125 | 145 | 160 | 180 | 210 | 240 | 295 | 
| T | mm | 19 | 19 | 19 | 49 | 19 | 19 | 20 | 
| n-φd | mm | 4-φ19 | 4-φ19 | 8-φ19 | 8-φ19 | 8-φ19 | 8-φ23 | 8-φ23 | 
| Q | m3/h | 0.8-12 | 4-29 | 5-41 | 6-65 | 9-90 | 18-120 | 40-180 | 
| Kv | m3/h | 23 | 52.1 | 80.6 | 126 | 161.5 | 281.3 | 321.2 |