Shijiazhuang Bang dong Pipeline Technology Co,Ltd.
Model No.: Plate Flanges
Standard: DIN, GB, JIS, ANSI, GOST, BSW
Type: Welding Flange
Material: Carbon Steel
Sealing Surface: RF
Manufacturing Way: Forging
Packaging: Wooden Case or as per buyer's requirements
Place of Origin: Cangzhou,China
Supply Ability: 1000pcs/month
HS Code: 73072100
Port: Tianjin New Port,Beijing Air Port,Zhengzhou Train Station
Carbon Steel Lap Joint Plate Flanges ANSI B16.5
Bangdong Supply Raised Face Lap Joint Flange,Forged Steel Lap Joint Flange,Oriface Lap Joint Nozzle Flange.Lap Joint Flanges The lap joint flange is practically identical to the slip-on flange except it has a radius at the intersection of the bore and flange face. This radius is necessary to have the flange accommodate a lap joint stub end. Normally, a lap joint flange and the lap joint stub end are mated together in an assembly system.
Standard:ASME/ANSI B16.5,ASME/ANSI B16.36,ASME/ANSI B16.47 SERIES A(MSS SP-44),SERIES B(API 605),BS4504,EN1092-01,AWWA C207,UNI 2276-67,DIN,JIS,BS 10:1962,IS:6392-1971,API 6A.etc.
CLASES:ASA(150#,300#,400#,600#,900#,1500#,2500#),BS 4504/EN 1092-01-(PN2.5,PN6,PN10,PN16,PN25,PN40,PN63/64,PN100,PN160,PN250,PN320,PN400),(JIS B2220,B2210),(UNI 2276-67,2278-67,2278-67),(IS TABLE 5,11,17),BS 10(TABLE D,E,F,H,J,K,R),DIN(2576,2527,2641,2642,2638,2628,2629,2630,2631,2632,2633,2634,2635,2627,28115)AWWA (C207 CLASSB,D,E,),API 6A (2000PSI,3000PSI,5000PSI,10000PSI),SAE FLAGES 3000PSI,6000PSI.etc.
TYPE: WELD-NECK,SLIP-ON,BLIND,SOCKET-WELD,THREADED,LAP-JOINT,LONG WELD-NECK,ORIFFICE,SPACER,SPADE,SPECTECLE BLIND,SQUARE FLANGES & AS PER YOUR DRAWINGS/REQUIREMENTS.etc.
SIZE:1/2"TO 60"(150#,300#400#,600#)ALL TYPE.
½"TO 48" (900# ) ALL TYPE
½"TO 24" (1500#,2500# ) ALL TYPE
FACE:RAISED-FACE,FLAT-FACE,RING-JOINT,LARGE MALE-FEMALE,SMALL MALE-FEMALE,LARGE TONGUE-GROOVE,SMALL TONGUE-GROOVE,O-RING SPIGOT,O-RING GROOVE,SPIGOT,RECESS etc.
WELDING NECK FLANGES are distinguished from other types by their long tapered hub and gentle transition of thickness in the region of the butt weld joining them to the pipe. The long tapered hub provides an important reinforcement of the flange proper from the standpoint of strength and resistance to dishing.
The smooth transition from flange thickness to pipe wall thickness effected by the taper is extremely beneficial under conditions of repeated bending, caused by line expansion or other variable forces and produces an endurance strength of welding neck flanged assemblies equivalent to that of a butt welded joint between pipes, which, in practice, is the same as that of unwelded pipe. Thus this type of flange is preferred for every severe service condition, whether this results from high pressure or from sub-zero or elevated temperature, and whether loading conditions are substantially constant or fluctuate between wide limits.
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