FLANGE

Last updated: Nov 12, 2019  |  5631 จำนวนผู้เข้าชม  |  PRODUCT

FLANGE

FLANGE ASTM & ASME  GRADEA105-71,A181GR.1 OR2,A105GR.N,A181GR.1 OR2,A182F304,A182F316,A350LF1&2,A350LF3,A182F1,A182F12,A182F11,A182F22,A182F5,A182F7,A182F9  SIZE  1/4"-48"                                        
SCHDULE  10S,40S,80S,20,30,STD,10,40,60,XS,80,100,120,140,160 AND XXS            
                            
                                             

 

 
WELD NECK FLANGES 150,300,400,600, 900,1500 AND 2500 LB  THE WELDEDING NECK FLANGE IS NORMALLY REFERRED TO AS THE "HIGH UP"FLANGE.IT IS DESIGNED TO TRANSFER STRESSES TO THE PIPE,THERBY REDUCING HIGH STREE CONCENTRATIONS AT THE BASE OF THE FLANGE. THE WELDING NECK FLANGES IS THE BEST DESIGN BUTT WELD FLANGE OF THOSE CURRENTLY AVAILABLE BECAUSE OF ITS INHERENT STRUCTURE VALUE.                        
                     
SLIPON FLANGES 150,300,400,600, 900,AND1500 LB THE SLIP ON FLANGE HAS A LOW HUP BECAUSE THE PIPE SLIPS INTO THE FLANGE PRIOR TO WELDING.IT IS WELDED BOTH INSIDE   AND OUT TO PROVIDE SUFFICIENT STRENGTH AND PREVENT LEAKAGE. SLIP ON FLANGE ARE ALL BORED SLIGHTLY LARGER THAN THE OUTSIDE DIAMETER OF THE MATCHING PIPE. THEY ARE PREFERRED OVER  WELDING NECK FLANGES BY MANY USES DUE TO THEIR LOWER INITIAL COST,BUT FINAL INSTALLATION COST IS PROBABLY NOT MUCH LESS THAN THAT OF THE WELDING NECK FLANGE BECAUSE OF THE ADDITIONAL WELDING INVOLVED        
    

 











 
BLIND FLANGES 150,300,400,600, 900,1500 AND 2500 LB BLIND FLANGE IS THE  FLANGES WITHOUT A BORE. IT IS USED TO CLOSE OFF THE ENDS OF A PIPING SYSTEM AND/OR PRESURE VESSEL OPENING.IT ALSO PERMITS EASY ACCESS TO THE INTERIOR OF A LINE OR VESSEL ONCE IT HAS BEEN SEALED AND MUST BE REOPENED.                            SOCKET WELDING FLANGES 150,300,600, 900,AND1500 LB THE SOCKET WELDING FALNGE IS SIMILAR TO A SLIP ON FLANGE EXCEPT IT HAS A BORE AND A COUNTERBORE DIMENTION.THE COUNTERBORE IS SLIGHTLY LARGER THAN THE OUTSIDE DIAMETER OF THE MATCHING PIPE.ALLOWING THE PIPE TO BE INSERTED INTO THE FLANGE  SIMILAR TO A SLIP ON FLANGES.THE DIAMETER OF THE SMALLER BORE IS THE SAME AS THE INSIDE DIAMETER OF THE MATCHING PIPE.A RESTRICTION IS BUILT INTO THE BOTTOM OF THE BORE WHICH SETS AS A SHOULDER FOR THE PIPE TO REST ON. THIS ELIMINATES ANY RESTRICTION IN FLOW WHEN USING A SOCKET WELDING FLANGES.            
 












 
 
LAP JOINT FLANGES 150,300,400,600, 900,1500 AND 2500 LB THE LAP JOINT FLANGE IS PREACTICALLY IDENTICAL TO A SLIP ON FLANGES EXCEPT IT HAS A RADIUS AS THE INTERSECTION OF THE BORE AND FLANGES ACCOMMODATE A LAP JOINT STUB END.NORMALLY.A LAP JOINT FLANGES AND A LAP JOINT STUB END ARE MATCHED TOGETHER IN AN ASSEMBLY SYSTEM.                            THEADED FLANGES 150,300,400,600, 900,1500 AND 2500 LB THE THREADED FLANGE(SCREWED) IS SIMILAR TO THE SLIP ON FLANGE. WELDING.EXPLANDING ITS USE IN LOW PRESURE SERVICE AT ORDINARY ATMOSPHERIC TEMPERATURES,AND IN HIGHLY EXPLOSIVE AREAS WHERE WELDING CREATED A HAZARD.            

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