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Lap-joint Flange

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  • ANSI Lap Joi...

    ANSI Lap Joint Flange

    The Lap-joint Flange is a kind of the flange,which is set on the end of the pipe through the stub end and steel ring ,It moves on the end of the pipe.It is generally used with the parts (expansion joint),The It is installed the two ends of the expansion joint,which connects to the pipe. ANSI Lap Joint flange range: Production Size:DN10-DN2000 Pressure range:PN2.5,PN6,PN10,PN16,PN25,PN40,PN100 ANSI Lap Joint flange Standard: Production Standard:BS,JIS,GOST,ANSI,DIN,GB ANSI Lap Joint flange main material : A105,20#,Q235,16Mn,A350 LF1,LF2,CL1/CL2,LF3 CL1/CL2,A694 F42,F46,F48,F50,F52,F56,F60,F65,F70;A182 F304,304L,F316,F316L,321,18-8,A182F1,F5a,F9,F11,F12,F22,F91,A182 F12,F11,16MnR Lap Joint Flanges are used with a corresponding stub-end that "inserts" in the inside of the flange.  The main benefit of this type of flange, is that once the pipe welds to the insert stub-end, the flange then can rotate for easier alignment of the bolting holes.  However, lap joint flanges and their stub-ends' ability to hold pressure is about the same as slip-on flanges.  They are not suitable for situations with a high external or changing loads of force.  They do provide an advantage in a piping system that needs frequent dismantling for inspection or to remove build-ups.  If high pressure applications are being performed, either a swivel ring flange or an insert flange, is recommended to be used instead of a lap joint flange an stub-end.  We can provide swivel ring flanges or insert flanges upon your request.  

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Lap-joint Flange

Lap-joint Flange

The Lap-joint Flange is a kind of the flange,which is set on the end of the pipe through the stub end and steel ring ,The Lap-joint Flange moves on the end of the pipe.

Production Size:DN10-DN2000

Pressure range:PN2.5,PN6,PN10,PN16,PN25,PN40,PN100

Production Standard:BS,JIS,GOST,ANSI,DIN,GB

Main Material of parts:

A105,20#,Q235,16Mn,A350 LF1,LF2,CL1/CL2,LF3 CL1/CL2,A694 F42,F46,F48,F50,F52,F56,F60,F65,F70;A182 F304,304L,F316,F316L,321,18-8,A182F1,F5a,F9,F11,F12,F22,F91,A182 F12,F11,16MnR

The Lap-joint Flange are generally used with the parts (expansion joint),The Lap-joint Flange are installed the two ends of the expansion joint,which connects to the pipe.

 lap-joint flange