Main external dimensions and connection dimensions
                                    
                DN(mm)
                
                mm :450
	                
                
                in :18
	                
                
                Structure length (standard value)(mm)
                
                L :222
	                
                
                Dimension(ref value)(mm)
                
                H :350
	                
                
                D343H  
                
                H1 :1255
	                
                
                A1 :535
	                
                
                B1 : 580
	                
                
                D643H  
                
                H2 :1250
	                
                
                A2 :650
	                
                
                B2 :280
	                
                
                D943H  
                
                H3 :1335
	                
                
                A3 : 575
	                
                
                B3 :714
	                
                
                Connection size (standard value)(mm)
                
                1.0MPa
                
                D :615
	                
                
                D1 :565
	                
                
                D2 :532
	                
                
                Z-φd :20-26
	                
                
                1.6MPa
                
                D :640
	                
                
                D1 :585
	                
                
                D2 :545
	                
                
                Z-φd :20-30