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Phone: +86-577-85858287 丨 Email: sales@bstpsteel.com
                                                                               TYPE OF FLANGES/RANGE            
             TYPE            Size Range            Pressure            Dimensional Standard            
                                                                 
           WELDING NECK            1/2" To 48"            150#            ANSI/ASME B16.5            
They Join the butt-weled pipe,they are prefered when radio graphed joints is required,or  when efforts are highest on the union, the long conical neck optimizes stress distribution            1/2" To 48"            300#            ASME B16.47            
1/2" TO 24"            400#            SR.A            
1/2" To 30"            600#            SR.B            
1/2" To 24"            900#            MSS SP44            
1/2" To 12"            1500#            BS3293            
1/2" TO 08"            2500#            BS4504/DIN            
           SLIP-ON FLANGES            1/2" To 48"            150#            ANSI/ASME B16.5            
Place two fillets by welding, sliding inside the tube. So its installation cost is lower, requiring less pre- cision in cutting the pipe.            1/2" To 48"            300#            ASME B16.47            
1/2" TO 24"            400#            SR.A            
1/2" To 30"            600#            SR.B            
1/2" To 24"            900#            MSS SP44            
1/2" To 12"            1500#            BS3293            
1/2" TO 08"            2500#            BS4504/DIN            
           THREADED FLANGES            1/2" To 24"            150#            ANSI/ASME B16.5  BS4504/DIN            
They are placed in pre threaded pipe,usually in  places where welding can not be pplied,not recommended for use in systems with intense pressure variation            1/2" To 24"            300#            
1/2" TO 24"            400#            
1/2" To 24"            600#            
1/2" To 24"            900#            
1/2" To 12"            1500#            
1/2" TO 08"            2500#            
           LAP JOINT FLANGES            1/2" To 24"            150#            ANSI/ASME B16.5   BS4504/DIN            
Overlapping sliding on a board, usually used in places where it is often necessary to disassemble for cleaing or dismantling reparaciones,  EI cost decreases because of the ease of turning the flanges and align the holes            1/2" To 24"            300#            
1/2" TO 24"            400#            
1/2" To 24"            600#            
1/2" To 24"            900#            
1/2" To 12"            1500#            
1/2" TO 08"            2500#            
           SOCKET WELDING            1/2" To 4"            150#            ANSI/ASME B16.5              
Developed especially for small dia-meters and high pressures,tube is inserted in them to the seat and then is welded in against the cube steak            1/2" To 4"            300#            
1/2" To 4"            400#            
1/2" To 4"            600#            
1/2" To 4"            900#            
1/2" To 4"            1500#            
1/2" To 4"            2500#            
           BLIND FLANGES            1/2" To 24"            150#            ANSI/ASME B16.5            
Developed especially for small dia-meters and high pressures,tube is inserted in them to the seat and then is welded in against the cube steak            1/2" To 24"            300#            ASME B16.47            
1/2" TO 24"            400#            SR.A            
1/2" To 24"            600#            SR.B            
1/2" To 24"            900#            MSS SP44            
1/2" To 12"            1500#            BS3293            
1/2" TO 08"            2500#            BS4504/DIN