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Ana Sayfa » Teknik Bilgiler » ANSI flanşlar için boyutsal toleranslar
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THREADED, SOCKET - WELDING, SLIP - ON, LAP JOINT, NO BLIND FLANGES
WELDING NECK FLANGES
* Outside diameter
When O.D. is 24" or less
±0,06"
* Outside diameter
When O.D. is 24" or less
±0,06"
When O.D. is over 24"
±0,12"
When O.D. is over 24"
±0,12"
Inside diameter
Threaded
To standard gauge limits
Inside diameter
Sizes 10" and smaller
±0,03"

Socket-Welding, Slip-On and Lap Joint

Sizes 10" and smaller

±0,03", -0"
Sizes 12" throuh 18"
±0,06"
Sizes 12" or larger
±0,06", -0"
Sizes 20" and larger
±0,12", -0,06"
Diameter of counterbore
Same as for inside diameter
Diameter of contact face
1/6" Raised Face
±0,016"
1/4" Raised Face

Tongue and Groove or Male and Female

Diameter of contact face
1/6" Raised Face
±0,03"
Diameter hub at point of welding
Sizes 5" and smalelr
±0,09" , -0,03"

1/4" Raised Face

Tongue and Groove

or Male and Female

±0,016"
Sizes 6" and larger
±0,16" , -0,03"
* Outside diameter of hub
Sizes 12" and smaller
±0,03" , -0,06"
* Diameter of hub at base
When Hub Base is 24" or less
-0,06"
Sizes 14" and larger
±0,12"
When Hub Base is over 24"
±0,12"
* Drilling
Bolt Circle

<24"

>24"

±0,03"

±0,06"

* Drilling
Bolt Circle

<24"

>24"

±0,03"

±0,06"

Bolt hole spacing
±0,016"
Bolt hole spacing
±0,016"
Eccentricity of Bolt Circle and Facing (with respect to bore)
±0,03" max
Eccentricity of Bolt Circle and Facing (with respect to bore)
±0,03" max
Length thru hub
Sizes 18" and smaller
±0,12", - 0,03"
Length thru hub
Sizes 10" and smaller
±0,06"
Sizes 20" and larger
±0,19", - 0,06"
Sizes 12" and larger
±0,12"
Thickness
Sizes 18" and larger
±0,12", -0"
Thickness
Sizes 18" and smaller
±0,12", -0"
Sizes 20" and larger
±0,19", -0"
Sizes 20" and larger
±0,19", -0"

* Tolerances for these dimensions not covered by ANSI B16-5



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